14 best cfm bathrooms

CFM, in the context of bathrooms, stands for Cubic Feet per Minute. It is a measurement used to quantify the airflow rate or ventilation capacity of bathroom exhaust fans. CFM bathrooms refer to the ventilation systems in bathrooms, particularly the fans designed to remove moisture, odors, and pollutants from the bathroom air. Here's what you need to know about CFM bathrooms:

  1. Ventilation Fans: Bathroom ventilation fans, often referred to as exhaust fans or bathroom fans, are installed in bathrooms to improve indoor air quality. They help remove excess moisture from the air, which is essential in preventing issues like mold and mildew growth, as well as providing comfort to occupants.

  2. CFM Rating: The CFM rating of a bathroom fan indicates how many cubic feet of air it can move per minute.The higher the CFM, the more air the fan can expel from the bathroom. Choosing the right CFM rating for your bathroom is crucial to ensure efficient ventilation. Factors such as the bathroom's size and intended use influence the CFM requirement.

  3. Sizing: To determine the appropriate CFM rating for your bathroom fan, you generally want a fan that can exchange the air in the room multiple times per hour. For residential bathrooms, a common rule of thumb is to select a fan with a CFM rating of at least 1 CFM per square foot of bathroom space. For larger bathrooms or ones with steam showers or jetted tubs, you may need a higher CFM rating.

  4. Types of Fans: There are various types of bathroom fans available, including ceiling-mounted, wall-mounted, and inline fans. Ceiling-mounted fans are the most common and are typically installed in the ceiling or the wall near the shower or bathtub.

  5. Features: Modern bathroom fans come with various features such as built-in lights, humidity sensors, timers, and motion sensors. These features can enhance the functionality and convenience of the fan.

  6. Installation: Proper installation is essential for the effective operation of a bathroom exhaust fan. It should be installed in a location that allows it to remove moist air from the bathroom and vent it outside the building.

  7. Maintenance: Regular maintenance, including cleaning and lubricating the fan, is important to ensure it operates efficiently and quietly. Cleaning the fan and ducts also helps prevent the buildup of dust and debris.

In summary, CFM bathrooms relate to the airflow capacity of bathroom exhaust fans. Proper ventilation in bathrooms is crucial to maintain indoor air quality, prevent moisture-related issues, and enhance the comfort of occupants. Choosing the right CFM rating and fan features, along with proper installation and maintenance, ensures an effective bathroom ventilation system.

Below you can find our editor's choice of the best cfm bathrooms on the market
  

BV Ultra-Quiet 200 CFM, 2.0 Sones Bathroom Ventilation and Exhaust Fan

BV

Based on 439 reviews Check latest price

Product description

Super-Quiet Ventilation System Silent clever technology and with excellent performance motor. Can operate and move a large volume of air with very small noise made HVI 2100-certified, and UL Approved Quality & performance assurance. Well made exhaust fan with stainless steel element housing body. Heavy duty motor, suitable for continuous operation. Life time lubrication and thermally protected. This fan help you the exhaust the air and also save the energy. Multiple model choices for different indoor space sizeBV-90CFM0. 8 sons. Ventilating for bathroom space up to 90 sq.-ft. (120Volt, 60Hz, 25W. )BV-110CFM 1. 2 sons. Ventilating for bathroom space up to 110 sq.-ft. (120Volt, 60Hz, 30W. )BV-150CFM 2. 0 sons. Ventilating for bathroom space up to 150 sq.-ft. (120Volt, 60Hz, 42W. )BV-200CFM 2. 0 sons. Ventilating for bathroom space up to 200 sq.-ft. (120Volt, 60Hz, 60W. ) Shop with confidence is continuously improving and evolving for our customer needs. Our goal is your 100% satisfaction. We offer every customer a limited one-year product on every item purchased

  • 2.0 sones super quiet performance. Silent-Clever Technology
  • Mounting opening: 10.5" x 10.5". Height: 8". Stainless steel 6" duct collar
  • Ventilating area for bathroom space up to 200 sq-ft
  • HVI 2100-certified,and UL Approved. Quality & performance assurance.
  • One-year limited product warranty with technical support service included.

User questions & answers

Question: I was alerted about a deal recommended for me. This deal is for a higher price than normal, $5 more than usual. Why
Answer: KJCA would be able to ship on January 8th or 9th if the order was placed today. Please call John DeRieux at 865-684-4326 to verify the date prior to ordering. Thank you. K&J Construction Accessories LLC
Question: How do you install the fan if it came with the wrong brackets
Answer: This is an old post, so I am sure it is past time for the original question...but yes, there is an AC adapter. I just installed the dispenser and 110v plug. Works great. Here is the part number: ASI 72-ACA
Question: Can this fan be placer directly Over the shower
Answer: No, foaming soap seems to be to thin.
Question: what is actual size of vent cover? Need to cover a 12 X 12" opening
Answer: That's a hole between 1.0 and 1.25 inches wide.

Product features

BV Bathroom Ventilation and Exhaust Fan

Moist air from showers, tubs and other fixtures in bathroom can accumulate on bathroom surfaces, leading to rot and peeling paint

Packages Content

  • Grille x 1
  • Long wood Screws x 8; Short screws x 3
  • Suspension brackets x 3
  • User Manual x 1

Bathroom Fan Specfication

  • Weight - 13 lbs (5.90kg)
  • Housing Dimension: 8" (20.32 cm) x 8" (20.32 cm) x 10-5/16" (26.2 cm)
  • Grill Dimension:12-11/16"(32.26 cm) x 12-11/16" (32.26 cm) x 1-1/8"(2.8 cm)
  • Duct Diameter - 6" (15.24 cm)

Note: Be careful to cut the hole exactly because if it is too big, the grille will not hide it

Joist Mounting I

Use suspension brackets as extension for mounting on the wall

Joist Mounting II

Use suspension brackets as extension for mounting on the wall

Fresh Air In, Humidity Out.

Improving indoor air quality by venting moist air quickly outside, which eliminates problems associated with high humidity like mold and mildew growth, steamy mirrors and peeling wallpaper and paint.

Broan-NuTone A110 Broan InVent Series Single-Speed, Ceiling Room-Side Installation Bathroom Exhaust Fan, 3.0 Sones, 110 CFM, white

Broan-NuTone

Based on 173 reviews Check latest price

Product description

Ensure comfort in your bathroom with the Broan Invent Bathroom Exhaust Fan! This high-quality single speed fan eliminates moisture and reduces humidity in your bathroom at 110 CFM up to 105 sq. ft. The compact housing is designed to mount directly to inboard joists, making retrofit or new installation applications easy and simple. With our True Seal damper technology, Invent fans reduce air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air back drafts. Retrofit installation is easy with the ExDuct Connector and can be done entirely room-side - no need to crawl up into your attic! It can be used over the bathtub or shower with the GFCI circuit. Upgrade your bathroom with the Broan Invent Bathroom Exhaust Fan today!

  • HIGH-QUALITY FAN: Quiet, energy efficient exhaust fan operates at 110 CFM and 3. 0 Sones to help control air quality is powerful enough for rooms (including bathroom) up to 105 sq. ft.
  • EFFICIENT: Powerful ventilation reduces humidity to quickly eliminate fogged mirrors and manage moisture at 110 CFM, so your vision will always be clear and your surroundings will always be comfortable
  • EASY INSTALLATION: Easy to install new/replace existing product with EZ Duct connectors that can be installed entirely from the room-side – no attic access required
  • RELIABLE PERFORMANCE: With our True Seal Damper Technology, Invent fans reduce air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air backdrafts
  • GREAT FOR BATHROOM: UL Listed for use over tubs and showers with a GFCI circuit so you can capture the steam before it spreads throughout the room by placing your fan exactly where you need it the most

User questions & answers

Question: If this is a retrofit installation will i need to patch the ceiling or will the hole be covered by the exhaust cover
Answer: This In-Line fan can be used with a solid state speed control.
Question: Mine just arrived and i installed it. description says it has an led light. i’m not seeing it yet? model a110. is the description wrong
Answer: The ILKJ2502 has a grille cover. The cover does not have a light.
Question: The dimensions in description says 1.1 x 1.1 x 0.8 inches, is that correct? or is it 11x11x8 inches
Answer: Yes,the ceiling exhaust vents that come with the package do have vents that close. With installation with flexible, insulated ducting you have to be sure the ducting does not bind the flapper. It would help if the top of the duct was a little higher so there would be enough clearance to prevent binding. You can remove the cap from the vent and stick your hand up to push any interference back to allow the flapper to move freely. Also, the attic exhaust vent should also have a flapper to help close down drafts.
Question: Sones. Isn't that really noisy
Answer: You could using a 3way switch set and wiring

Product features

110 CFM, 3.0 Sones

The Invent Series marks a revolution of Broan’s mid-range ventilation fans. It gives the flexibility to handle construction or room-side retrofit installations from one hard-working product line.

About Broan:

Broan offers a broad line of kitchen and bathroom ventilation products, providing choices, style, value, and a name that can be trusted.

Broan is committed to developing revolutionary products that improve the indoor environment as well as implementing procedures to preserve the outdoor environment. They will confidently meet your needs.

Versatile Installation:

FoldAway Mounting Ears are precisely positioned for new construction and fold flat for room-side retrofits.

Airtight Performance:

With Broan’s TruSeal Damper Technology, Invent fans reduce air leakage resulting in better home performance via blower door tests.

Ezduct Connector:

Connecting to an existing duct can be done room-side with no attic access required, fan housing connection has never been easier.

Delta BreezProfessional Pro300, 300 CFM Bathroom Exhaust Bath Fan

DELTA ELECTRONICS (AMERICAS) LTD.

Based on 59 reviews Check latest price

Product description

The Delta BreezProfessional Pro200 and Pro300 offer powerful airflow extraction for heavier applications but with quiet operation. It is ENERGY STAR qualified with DC brushless motor engineered to run continuously for a minimum 70,000 hours. These fans feature an LED indicator running light and motor lock protection and is UL/cUL listed for use over a bathtub or shower when installed in a GFCI protected branch circuit. Ideal for garages, large working spaces or kids recreation rooms.

  • ENERGY STAR qualified with Brushless DC Motor technology
  • Quiet operation at 2.0 Sones
  • Ceiling mount ventilating fan rated for continuous running
  • Energy efficiency at 7.3 CFM/Watt
  • Green LED indicator light to show power is on

User questions & answers

Question: What sized hole is required to be cut in the ceiling for instillation
Answer: The AE80LK uses a LED module part number S99271607 that is a replaceable part.
Question: Is the grill metal or plastic
Answer: No, The AE110LK is ceiling mount only.
Question: R.e. exhaust fan. is there a restriction on the length of the 6" flex duct to maintain 300 cfm
Answer: The AR110LKVV is designed to have the light and fan on separate switches so that the VitalVio UV light can operate without having to have the fan run constantly. If you do not have two switches wired to the fan, the light and fan will always operate together, and as mentioned, the fan will always run if you wish to utilize the Vital Vio UV light.
Question: Can you reduce to existing 4"duct
Answer: The AE110LK integrated LED has a color temperature of 3500K. This is considered "Bright White/Cool White (3500K – 4100K)". If you have any further questions, please contact our Customer Service Team at 1-888-336-3948 between 7:30 AM and 6:00 PM (CDT) Monday-Friday. Thanks.

DELTA ELECTRONICS (AMERICAS) LTD. BreezSlim SLM50 50 CFM Exhaust Bath Fan, White

DELTA ELECTRONICS (AMERICAS) LTD.

Based on 492 reviews Check latest price

Product description

The Delta BreezSlim SLM50 is a compact-sized, low noise, valued priced ENERGY STAR qualified fan. Perfect for single home retrofits as well as large multifamily projects. UL listed for both ceiling and sidewall installation. Fits inside a 4" wall. Air flow of 50 CFM with loudness rating of 1.0 sone. Features a DC brushless motor for extended reliability and low power consumption. 6.4 Watts with efficiency rating of 8.9 CFM per Watt. ENERGY STAR qualified and HVI certified.

From the Manufacturer

The Breez Ventilation Fan combines several design innovations, including a switching power supply and DC brushless motor to provide a quieter solution with energy savings up to 74% compared to similar products. The Breez Ventilation Fan is easy to install

  • PERFORMANCE: DC motor fan is tested to run continuously for 70,000 hours (8 years)
  • LOW NOISE: Shower in peace with a noise level of 2.0 sones
  • EFFICIENT: Energy savings of up to 85% makes it easy on your wallet
  • RETROFIT-READY: Slim profile is perfect for retrofit, ceiling or wall-mount installation
  • POWERFUL: 50 CFM circulates fresh air up to 50 sq. ft.
  • ENERGY STAR certified by the EPA
  • 0.18 A

User questions & answers

Question: How come the noise level of 50 cfm is 1 sone, 70 cfm is 2 sones and 80 cfm is 0.6 sones? Do they have different types of motors
Answer: 50 cfm and 70 cfm are 7.25” by 7.5”with a 3” duct. The 80 cfm is about 10” and 0.9 sones with 3” duct. (0.6 sones with 4” duct)
Question: Has anyone tried painting the grill? Can it be done and look good? It’s actually more yellow than white
Answer: Spray paint gets a great finish, uniform coverage, and color of your choosing. Any type will do and will last years
Question: Does it prevent backdrafts
Answer: Yes, to some extent. It has a little plastic back-draft door that closes off the exhaust vent.
Question: Timer switch
Answer: Thank you for your inquiry. Timers that have been tested and are compatible with DeltaBreez fans include Leviton Model LTB60, Woods Model 59007, Tork Model D1060MW, and several others. Our Technical Support Department can be contacted at [email protected] or 888-979-9889 to verify compatibility of other timer models.

Product features

Delta Breez Ventilation Fans. Perfectly Quiet. Perfectly Green.

Weighing in at less than 5 lbs, the powerful yet compact Delta BreezSlim sets the bar for performance in the popular small fan size of 7.2” x 7.25" x 3.94". Operating at just 1.0 sone, this quiet fan features Delta’s super reliable DC brushless motor, and an LED indicator light so you know it’s running, and a modern grille design. Perfect for retrofit into an existing space or for ceiling mount or wall mount installation (UL listed for both) into your next multifamily or single-family project. BreezSlim breaks the mold of the everyday bathroom exhaust fan.

The BreezSlim SLM50 features innovative DC brushless motor design for long life, low noise, and low power consumption. It's UL approved for ceiling and wall mount installation. LED indicator will be green when power is on.

Energy Savings

*Calculations based upon U.S. average retail electricity. Actual results may vary.

Sone Level is how loud the fan is to the human ear. Doubling the sone value means doubling the noise. The average 80 CFM bath fan runs at 0.8~2.5 sones. Delta Breez 80 CFM fans run as low as <0.3 sones. At less than 0.3 sones, the fan is virtually silent.

Why Choose Delta Breez?

Delta Breez offers high quality and top-performing bathroom ventilation fans of varying sizes, airflow levels, and features to fit any budget. Delta Breez fans are designed to control and reduce the moisture in your home to improve indoor air quality and decrease the risk of health problems. All Delta Breez fans are 'quiet as a breeze' and ENERGY STAR qualified, which means that they have passed rigorous energy efficiency standards set by the EPA, and reduce greenhouse gas emissions. Low energy consumption lowers utilities bills and reduced emissions help to protect the environment, which in turn benefit you.

Powerful, Durable, and Quietly Efficient

Backed by over 25 years of innovation and consistent quality, the DC brushless motor technology inside every Delta Breez product is why Breez ventilation fans are setting a new industry standard for energy efficient performance.

Delta’s DC brushless motor fans are engineered to outlast popular AC models by as much as 70%, reducing the need for replacement. They’re precision engineered for low sound, down to less than 0.3 sones, the lowest sound rating of any exhaust fan. Delta’s DC brushless motor fans use 74% less power than popular AC motor exhaust fans.

What Makes Delta Breez Ventilation Fans Different?

All Delta Breez Ventilation Fans are manufactured with DC Brushless motor technology. They're all ENERGY STAR qualified and have soft start and lock protection functions. All Delta Breez Ventilation Fans are rigorously tested to achieve minimum noise and they're precision engineered to run continuously for 70,000 hours. All Delta Breez Ventilation Fans come with a 3-Year limited warranty.

Why is Ventilation Important?

Many of today's homes are airtight and highly insulated, which are good for cost and energy effective temperature control, but terrible for indoor air quality. Without adequate exhausting and exchange of indoor air to the outdoors, the concentration of pollutants indoors is often many times higher than that of the outdoors. To improve indoor air quality, pollutants must be exhausted, indoor air must be replaced by fresh outside air, and moisture must be controlled. This is best accomplished using ventilation systems.

Panasonic FV-20VQ3 WhisperCeiling 190 CFM Ceiling Mounted Fan

Panasonic

Based on 589 reviews Check latest price

Product description

WhisperCeiling fans feature a totally enclosed condenser motor and a double-tapered, dolphin-shaped bladed blower wheel to quietly move air. Designed to give you continuous, trouble-free operation for many years thanks in part to its high-quality components and permanently lubricated motors which wear at a slower pace. Detachable adaptors, firmly secured duct ends, adjustable mounting brackets (up to 26-in), fan/motor units that detach easily from the housing and uncomplicated wiring all lend themselves to user-friendly installation. This Panasonic fan has a built-in damper to prevent backdraft, which helps to prevent outside air from coming through the fan.

From the Manufacturer

The Panasonic FV-20VQ3 WhisperCeiling 190 CFM fan features a totally enclosed condenser motor and a double-tapered, dolphin shaped bladed blower wheel to quietly move air. A small wheel turning very fast will create more noise than a large wheel turning more slowly for a given airflow. Panasonic fans use a wide blower wheel that move a large amount of air at reduced RPMs, so they are quiet enough that you might not even know they're on. With a 1.3 sone level and rated 190 cubic feet per minute, this fan is designed to give you continuous, trouble-free operation for many years due to its high-quality components and permanently lubricated motors which wear at a slower pace. We designed the electrical configuration of this model's condenser motor to allow it to operate at lower temperatures, increasing the life of the motor and bearings. And, the fan housing is made of heavy-gauge zinc galvanized steel and painted to protect it from rust. This Energy Star qualified fan has a built-in damper to prevent back draft, which helps to prevent outside air from coming through the fan. The Panasonic FV-20VQ3 WhisperCeiling 190 CFM Ceiling Mounted Fan is covered by a manufacturer warranty for period of three years from the date of the original purchase and is sold one item per package.

  • WhisperCeiling fans feature a totally enclosed condenser motor and a double-tapered, dolphin-shaped bladed blower wheel to quietly move air
  • Designed to give you continuous, trouble-free operation for many years thanks in part to its high-quality components and permanently lubricated motors which wear at a slower pace
  • Detachable adaptors, firmly secured duct ends, adjustable mounting brackets (up to 26-in), fan/motor units that detach easily from the housing and uncomplicated wiring all lend themselves to user-friendly installation
  • This Panasonic fan has a built-in damper to prevent backdraft, which helps to prevent outside air from coming through the fan
  • 0.35 amp

User questions & answers

Question: is this fan meant to be installed on single floor bathrooms? i'd like to install one on the bottom floor of a two story house
Answer: No problem as long as your exhaust vent tubing reaches an outside source.
Question: I want to mount this in the bedroom to remove cigarette smoke is this one okay or do i need something different
Answer: Yes, this would be an effective way to do that. 290 CFM is much, much higher than your standard bathroom fan so you can move a lot of air. I have one of these, although for a different purpose, and it's very quiet for the air volume it moves. Just be sure to have some way of getting air into that room while you use it, through an open window or under a door. It has to pull the new air in from somewhere as it pulls the smokey air out.
Question: What are the grill dimension? Thank you . Is it 4in or 6in duck work
Answer: The grille dimension is 12.5" square. A 4" flexible duct from the fan was used.
Question: Can this be used in a kitchen
Answer: Bull on some of the answers to this question. It can definitely be used in a kitchen! You should not mount it directly over a stove though! But using it to exhaust the room of smoke as an example is fine. You would have to be cooking with grease all of the time like a restaurant for any build up that would cause a problem. I have used fans like this in kitchens for many years without any problems. Panasonic is going to say it is not a kitchen fan for one because they do not want to get in trouble when you mount it right above your cook top. OK to mount in a kitchen to clear the smoke from the occasion burnt toast or popcorn or bad smell of some cooked foods. NOT OK to mount directly above a stove.

Product features

Rely on a higher power

Panasonic is reinventing venting with superior ventilation power that quickly removes contaminated air and moisture from your home. When you install a Panasonic ventilation fan you always get the promised CFM power rating as listed on the box.

Understanding the importance of power rating:

Powerfully Quiet

Panasonic ventilation fans deliver the highest power rating to remove air impurities from your home while operating at whisper-quiet audio levels so low you’ll barely know it’s on.

Broan-NuTone A80 InVent Series Single-Speed Fan, Ceiling Room-Side Installation Bathroom Exhaust Fan, ENERGY STAR Certified, 2.0 Sones, 80 CFM

Broan-NuTone

Based on 40 reviews Check latest price

Product description

Ensure comfort in your bathroom with the Broan InVent™ Bathroom Exhaust Fan! This high-quality single speed fan eliminates moisture and reduces humidity in your bathroom at 80 CFM up to 75 sq. ft. The compact housing is designed to mount directly to inboard joists, making retrofit or new installation applications easy and simple. With our TrueSeal™ damper technology, InVent™ fans reduce air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air back drafts. Retrofit installation is easy with the EzDuct™ Connector and can be done entirely room-side - no need to crawl up into your attic! It can be used over the bathtub or shower with the GFCI circuit. Upgrade your bathroom with the Broan InVent™ Bathroom Exhaust Fan today!

  • HIGH-QUALITY FAN: Quiet, energy efficient exhaust fan operates with 80 CFM and 2.0 Sones to help control air quality is powerful enough for rooms (including bathroom) up to 75 sq. ft.
  • EFFICIENT: Powerful ventilation reduces humidity to quickly eliminate fogged mirrors and manage moisture at 80 CFM, so your vision will always be clear and your surroundings will always be comfortable
  • EASY INSTALLATION: Easy to install new/replace existing product with retrofit installations that can be done entirely from the room-side – no attic access required
  • RELIABLE PERFORMANCE: With our TrueSeal Damper Technology, InVent fans reduce air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air backdrafts
  • GREAT FOR BATHROOM: UL Listed for use over tubs and showers with a GFCI circuit so you can capture the steam before it spreads throughout the room by placing your fan exactly where you need it the most

User questions & answers

Question: Can I just buy the vent cover
Answer: 50
Question: Is this product bright white or off white
Answer: The deck plate has a folded edge all the way around it that is 3/8 to 1/2 inch, the motor doesn't really stick down past that.
Question: I'm trying to replace a 684 that is worn out. Will this fan fit in a 684 housing
Answer: Broan makes way too many motor types to assume they are interchangeable. If it fits correctly go for it...there is nothing super unique about the motor itself, the only changes are the anchor points and sometimes the shaft made to go out the other side of the motor. Many Broan replacement parts are made to replace multiple fixtures, but by the same standard no matter what you try, there are replacement parts that cannot be made to replace others as well....not if your time has any value anyway. If uncertain, call Broan customer service directly, I have done so many times and they are super friendly and knowledgeable and will tell you the exact part needed...it is very painless and more likely than not less frustrating.
Question: what size is housing
Answer: 7 x 7 1/4 "

Product features

80 CFM, 2.0 Sones

The Invent Series marks a revolution of Broan’s mid-range ventilation fans. It gives the flexibility to handle construction or room-side retrofit installations from one hard-working product line.

About Broan:

Broan offers a broad line of kitchen and bathroom ventilation products, providing choices, style, value, and a name that can be trusted.

Broan is committed to developing revolutionary products that improve the indoor environment as well as implementing procedures to preserve the outdoor environment. They will confidently meet your needs.

Versatile Installation:

FoldAway Mounting Ears are precisely positioned for new construction and fold flat for room-side retrofits.

Airtight Performance:

With Broan’s TruSeal Damper Technology, Invent fans reduce air leakage resulting in better home performance via blower door tests.

Ezduct Connector:

Connecting to an existing duct can be done room-side with no attic access required, fan housing connection has never been easier.

Broan-NuTone AE110 Invent Flex Energy Star Qualified Single-Speed Ventilation Fan, 110 CFM 1.0 Sones, White

Broan-NuTone

Based on 861 reviews Check latest price

Product description

Ensure comfort in your bathroom with the Broan InVent Bathroom Exhaust Fan! This high-quality single speed fan eliminates moisture and reduces humidity in your bathroom at 110 CFM up to 105 sq. ft. The compact housing is designed to mount directly to inboard joists, making retrofit or new installation applications easy and simple. With our TrueSeal damper technology, InVent fans reduce air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air back drafts. Retrofit installation is easy with the ExDuct Connector and can be done entirely room-side - no need to crawl up into your attic! It can be used over the bathtub or shower with the GFCI circuit. Upgrade your bathroom with the Broan InVent Bathroom Exhaust Fan today!

  • HIGH-QUALITY FAN: Quiet, energy efficient exhaust fan operates with 110 CFM and 1.0 Sones to help control air quality is powerful enough for rooms (including bathroom) up to 105 sq. ft. Duct Diameter 4 inch
  • EFFICIENT: Powerful ventilation reduces humidity to quickly eliminate fogged mirrors and manage moisture at 110 CFM, so your vision will always be clear and your surroundings will always be comfortable
  • EASY INSTALLATION: Easy to install new/replace existing product with retrofit installations that can be done entirely from the room-side – no attic access required
  • RELIABLE PERFORMANCE: With our TrueSeal Damper Technology, InVent fans reduce air leakage by up to 50% compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air backdrafts
  • GREAT FOR BATHROOM: UL Listed for use over tubs and showers with a GFCI circuit so you can capture the steam before it spreads throughout the room by placing your fan exactly where you need it the most

User questions & answers

Question: Can this fan go on the ceiling over a gas stove
Answer: Broan-NuTone exhaust fans are U.L. tested and approved. The AE110 is ONLY approved for a bathroom installation. It is not suitable for a kitchen installation. We do offer range hoods and other exhaust units. Please contact our Broan-NuTone Technical Support Department at 1-888-336-6151 between 8:30 AM and 7:00 PM (EST) Monday-Friday for additional assistance.
Question: How bright is the light
Answer: Mine doesn't have a light, however if your does, it's as bright as the bulb you put into it.
Question: Would 18 ft be to far to vent
Answer: The AE110 uses a 4" duct. We would only recommend going 12 feet. If you have 6" duct you can go quiet far. If you have further technical or installation questions, please contact our Broan Technical Support Department at 1-800-637-1453 between 7:30 AM and 6:00 PM (CST) Monday-Friday.
Question: made in china
Answer: It is made in Wisconsin.

Product features

Broan-NuTone AE110 Invent Flex Energy Star Qualified Single-Speed Ventilation Fan, 110 CFM 1.0 Sones, White

This patent-pending series marks a revolution of Broan's mid-range ventilation fans. It gives professionals the flexibility to handle new construction or room-side retrofit installations from one hard-working product line with a full range of operating points. Innovations include foldable mounting ears and new damper and housing technology that improve building airtightness like never before. And all with new grille designs that are at home in any decor.

Innovative Design:

All new grille designs that will compliment any decor.

Efficient Operation:

Plug-in, permanently lubricated motor in a compact housing.

Easy Installation:

Retrofit installations can be done entirely from the room-side.

4-Inch Connector:

Polymeric connector with tapered sleeve and no metallic clatter.

Broan-NuTone AER110LTK Roomside Ventilation LED Light with Trim Kit, Energy Star Certified, 110 CFM, 1.5 Sones Bath Fan, White

Broan-NuTone

Based on 48 reviews Check latest price

Product description

Broan Roomside 110 CFM, 1.5 Sones Decorative Bathroom Exhaust Fan with LED Light with Easy Change Trim Kit, allows you to upgrade the style of your bathroom or powder room with an elegant and modern decorative ventilation fan. The Low-Profile LED panels are not only bright but also long-lasting for illumination where and when you need it. Designed to completely so the fan stays hidden behind the included adapter which blends in seamlessly with popular ceiling paint colors. Powerfully efficient ventilation works quietly to keep your space free from odor and humidity. Sturdy, easy, four-point mounting directly to the joist makes for easy installation. The motor is engineered for continuous operation and the rugged, galvanized steel construction ensures durability. The included adaptor plate completely covers drywall cuts for your convenience. UL listed for use in insulated ceilings (Type IC). Housing dimensions measure 9.25" x 10" x 5.75". This fan is energy star certified and is backed by a 3 year limited warranty.

  • HIGH-QUALITY FAN: Quiet, energy efficient exhaust fan operates with 110 CFM and 1.5 Sones to help control air quality is powerful enough for rooms (including bathroom) up to 105 sq. ft.
  • EFFICIENT: Powerful ventilation removes moisture and reduces the risk of mold or mildew in most full baths at 110 CFM, so your surroundings will always be comfortable
  • EASY INSTALLATION: Roomside easy to install sturdy, easy, four-point mounting directly to the joist provides the easiest installation on the market
  • LED LIGHTING: Dimmable integrated LED module is energy efficient and brightens up any room
  • THREE YEAR LIMITED WARRANTY: Backed by a three year limited warranty for your convenience

User questions & answers

Question: Why can't the fan not be installed in a shower
Answer: No you can not roll it up
Question: Are the fan and lights on different switches? Can you have one on and not the other
Answer: It is definitely not magnetic. I justed used the extra velcro and cut 4 inch strips and use that to close the middle. And clothes pegs would work too
Question: how bright is the light? 60 or 100 watts
Answer: Fiberglass or plastic
Question: do you need a dimmer switch to control the dimmable led light
Answer: Pretty sure you had to take it down! I returned it because I did not see anway to install it without putting it on the outside of the door!

Product features

Broan-NuTone AER110LTK Roomside Ventilation LED Light with Trim Kit, Energy Star Certified, 110 CFM, 1.5 Sones Bath Fan, White

Broan Roomside 110 CFM, 1.5 Sones Decorative Bathroom Exhaust Fan with LED Light with Easy Change Trim Kit, allows you to upgrade the style of your bathroom or powder room with an elegant and modern decorative ventilation fan.

Panasonic WhisperRemodel 0.8-Sone 110-CFM White Bathroom Fan Energy Star

Panasonic

Based on 20 reviews Check latest price

Product description

Ideal for retrofits and bathroom remodeling, Whisper Remodel is a quiet yet high-powered ventilation fan that delivers effective moisture and mildew control for clean, healthy indoor air all year round. Adjustable features and a 5-5/8" low-profile housing depth fits 2x6” joist size or larger for easy installation in new and old construction. Pick-A-Flow selector lets you choose your desired airflow at 80 or 110 CFM. A built-in damper helps save energy. Compare to Panasonic Model: FV-08-11VF5

  • Ideal for renovation projects and new construction
  • Low profile housing design fits in older 2 x 6 construction
  • Flex-Z Fast bracket and adapter enables fast, flexible installation from below the ceiling
  • Pick-A-Flow airflow selector lets you choose optimal airflow at 80 or 110 CFM
  • Whisper quiet operation at 0.3/0.8 sones

User questions & answers

Question: or 4” outlet for exhaust
Answer: Yes, it will fit. However, we also sill make the AE80.
Question: does it have a damper to prevent back flow of air
Answer: This unit is an 80 CFM exhaust fan. It requires a 4" duct. It does not come with a 4" to 3" adapter. We would recommend a different model if you have a 3" duct. Please review models LPN80 and/or EZ80N. Both of these models have a reducer. We would suggest that you have rigid duct, and we would recommend that you have very short duct run. If you would like additional information, contact our Technical Support Department at 888-336-6151. Thank you.
Question: How is the speed adjusted
Answer: Dimension: 9.25" L x 10" W the grill have like inch more of this dimensions to cover were is instaled the fan

Air King BFQ 140 High Performance Bath Fan, 120-CFM, BFQ140

Air King

Based on 1 reviews Check latest price

Product description

Air King's BFQ140 from the Air King BFQ High Performance Exhaust Fan Fan series features a unique Snap-In Installation System. The included bracket nails or screws to the ceiling joist allowing the fan housing to "Snap-In". Connect the wiring and the ducting, install the easy fitting grill and you are done. A bath fan installation can now be done in minutes. The durable high impact plastic housing ensures quiet operation and maximum performance. High performance, attractive stylized grill and quick installation make the High Performance Exhaust Fan Series right for the job. UL Listed for installation over a tub or shower on a GFCI circuit using 4" round ducting. Motor is HVI certified. Wire nuts and Romex connector are included. 120 CFM at .1SP. Operates at 4 Sones (Sones is a broader measure of sound than decibels.) Exhaust Capacity 120 - 150 sq. ft.

From the Manufacturer

What makes the Air King high performance bath fan series unique is the UL listed molded high impact plastic housing that provides multiple benefits. "Traditional" bath fan housings are fabricated from steel which involves bending and welding. This is a more expensive process and over the life of the fan welds can break, causing the fan to operate much louder or even with a rattling sound. Metal housings reverberate and echo noise. Because the Air King high performance bath fan series is in an all plastic housing, there are no welds to break and the plastic is a natural sound absorbent material. If you live anywhere near salt water, or the unit will be used in high moisture areas, this fan is an almost must. The UL listed molded high impact plastic housing will not rust, giving the unit a longer life. The high performance exhaust fan series features a unique snap-in installation system. The 4-Inch plastic duct collar with back draft damper insures quiet operation and prevents drafts from entering the room. Exhaust capacity for rooms of approximately 120 to 150 square feet. Housing size: 9-1/8 inch wide-by-8-1/2 inch deep-by-4-3/ inch high. Please note that the installation vido on this page shows model BFQ90 which looks the same with the same design, features and installation steps. The only difference is the motor size. Quality Air King products are always the right choice!

  • Snap-in mounting system is great for new construction or installations with attic access
  • High performance ventilation at a budget friendly price.
  • Plastic housing is quiet and will not rust, perfect for areas near salt water or with high moisture. 1-Year parts only included.
  • Right or left hand ducting; Housing: ABS Plastic
  • Note: this fan model does not include a light.

User questions & answers

Question: Has anybody installed this unit in a pre-existing fan space? if so how easy was it to install and did you have to modify the ceiling very much
Answer: I replaced this fan and air king 50 in my 20 years old appartment bathrooms.Previous fan had same installation braket. Hardest part were remove old one and not damage ceiling, because this braket works only one way in. To get it out you I had to brake old fan case. And another hard part is slide new fan case in opening with exaust pipe in. You have to play with it. It ll be easy if you remove motor and fan blades before installation and after you attached exaust hose check louver inside if it is able to open and close.
Question: Does this come with everything you need? I am replacing another fan, but am not sure if 3" or 4" ducting was used. I know it is louder with
Answer: Yes. The fan comes with all you need (bracket, fan, instalation screws and electrical caps to co nect wires) , but I used old caps and screws. I have 2 fans one cfm 70 in one bathroom and cfm 50 in another one. Both have 4" housing diameter. In one bathroom I had 5 " pipe and I ducttaped it to connected fan and pipe. Both fans are really quiet. Some time is really hard to notice that they work.
Question: Can the fan be wall mounted
Answer: It could be mounted inside a 2"x6" wall. The fan will not fit in most walls, which are 2"x4" studs. I replaced an Air King 50-CFM fan that was wall mounted, even though I moved the fan to the ceiling. I find the ceiling installation more effective for keeping the moisture moving out during and after a shower.
Question: Hi folks, the product descriptions show two different noise level ratings. Was wondering is it rated at .5 sones or 1 sone? Thank you
Answer: Hi, I don't know which one is right, because I don't have devices to check it, but I have this one in one bathroom and another one BFQ 70 in the other bathroom, which is rated everywhere 2.5 Sones. And I can say this one is quieter than BFQ 70 and I can barely here him.

Product features

Air King BFQ Series

HVI Certified Performance

Air King products make homes healthier!

Comes with fan housing, blower, grill, mounting bracket, damper, duct collar and User Manual

Panasonic FV-0811VF5 WhisperFit EZ Retrofit Ventilation Fan, 80 or 110 CFM

Panasonic

Based on 1 reviews Check latest price

Product description

Panasonic FV-08-11VF5 Whisperfit EZ Retrofit Bathroom Fan, 80 or 110 CFM is an affordable choice for delivering quiet, energy efficient, and effective exhaust ventilation for the many bathrooms in your portfolio. Ideal for residential remodeling and hotel construction or renovations, these fans fit where you need to put them (even in 2x6 construction). Because Panasonic fans are long lasting, this may be the last time you need to replace them. Built-in Pick-A-Flow speed selector allows you to select desired airflow (80 or 110 CFM). Being able to choose the proper CFM level gives you the flexibility and assurance that one fan can satisfy a range of ventilation design requirements and perform as promised, even with a complicated duct run. Installation is made easy with the Flex-Z Fast installation bracket and detachable installation adapter. The detachable installation adapter provides even greater flexibility, as it simply slides off the fan housing for easy wiring and attachment of the duct from under the ceiling. Panasonic fans use less energy to move larger volumes of air than other brands. Consequently, Panasonic fans run cooler so they last longer. They are also much less likely to overheat and result in motor failure. Panasonic ventilation fans are ENERGY STAR certified where guidelines exist, and provide greater efficiency and comfort with less noise. High performing motors and improved blade design deliver superior performance and long life you expect from a premium Panasonic ventilation fan. Achieve quality air and energy efficiency with whisper-quiet sound levels for your spaces with Panasonic FV-08-11VF5 Whisperfit EZ Retrofit Ventilation Fan.

  • Retrofit Solution: Ideal for residential remodeling, hotel construction or renovations
  • Low Profile: 5-5/8-Inch housing depth fits in a 2 x 6 construction
  • Pick-A-Flow Speed Selector: Allows you to pick desired airflow from 80 or 110 CFM
  • Flexible Installation: Comes with Flex-Z Fast bracket for easy, fast and trouble-free installation
  • Energy Star Rated: Delivers powerful airflow without wasting energy
  • 0.23 A

User questions & answers

Question: Does the fan unit come with the 4" to 3" duct adaptor
Answer: Yes. The unit I received included the 4" to 3" duct adapter.
Question: Is the whole unit suppose to fit inside the 2x6 framing or does part of it sit inside the sheet rock section
Answer: The Whisper Fit can be installed above or below the drywall. In new construction it is typically mounted to the bottom of the framing. In retro fit (after drywall is in place) it can be mounted so the flange is below the drywall. It is a snug fit for new construction in a 2x6 cavity but it fits. If more depth is desired 3/4" strapping could be added to the bottom of framing.
Question: Which basic switches (without humidity, timer, motion settings) allow me just to choose among 80cfm, 110cfm, and on/off
Answer: As Ric mentioned, the 80 / 110 switch is not meant to be switched as a regular option. Despite that, I did as James mentioned, and wired it into a normal wall switch anyway. I placed it right next to the power switch. Works fine.
Question: what is the noise level
Answer: This fan has 2 settings. At 110cfm the noise level is 0.8 & at 80cfm the noise level is 0.3

Product features

Rely on a higher power

Panasonic is reinventing venting with superior ventilation power that quickly removes contaminated air and moisture from your home. When you install a Panasonic ventilation fan you always get the promised CFM power rating as listed on the box.

Understanding the importance of power rating:

Powerfully Quiet

Panasonic ventilation fans deliver the highest power rating to remove air impurities from your home while operating at whisper-quiet audio levels so low you’ll barely know it’s on.

Panasonic FV-1115VQ1 WhisperCeiling DC Ventilation Fan, 110-130-150 CFM

Panasonic

Based on 115 reviews Check latest price

Product description

Panasonic designs DC ceiling exhaust fans that not only produce maximum airflow, but also remove air impurities from your home while operating at whisper-quiet audio levels. Panasonic FV-1115VQ1 WhisperCeiling DC bathroom fan comes from a line of time-tested and customer approved quiet, yet powerful and energy efficient ventilation fans. This precision spot ventilation solution improves IAQ by effectively removing moist, polluted air from your bathroom, laundry room, sun room, basement or garage. When Panasonic FV-1115VQ1 WhisperCeiling DC fan senses static pressure, its speed is automatically increased to ensure optimal CFM output. This feature provides peace of mind, as the installer doesn’t have to worry about compromising the fan’s performance, even with a complicated duct run. The built-in Pick-A-Flow speed selector provides the unique ability to select your desired airflow (110-130-150 CFM) with the flip of a switch. The Flex-Z Fast installation bracket with articulating joints is ideal for positioning the fan exactly where you want it, in old or new construction. An integrated dual 4-inch or 6-inch duct adapter gives greater flexibility in duct layout and design. Panasonic ventilation fans are ENERGY STAR certified. Panasonic fans use less energy, move larger volumes of air and run cooler, which means they last longer. The motors are equipped with a thermal-cutoff fuse, greatly reducing the likelihood of overheating and motor failure. Achieve quality air and energy efficiency with whisper-quiet sound levels for your spaces with Panasonic FV-1115VQ1 WhisperCeiling DC fan.

  • Installation Flexibility: Features a 6-inch duct ideal for new construction and renovations
  • Precision Spot Ventilation: Quiet and powerful ventilation while removing moisture and pollution
  • Pick-A-Flow Speed Selector: Allows you to pick desired airflow from 110, 130, 150 CFM
  • Flexible Installation: Comes with Flex-Z Fast bracket for easy, fast and trouble-free installation
  • Energy Star Rated: Delivers powerful airflow without wasting energy

User questions & answers

Question: Just installed. does anyone experience an 8 second delay before the fan starts and slow getting up to speed? not quiet. should i exchange
Answer: It’s probably your switch, rather than the fan. No delay on mine. Yes, they are not as quiet as advertised. It’s not loud, but way above a “whisper.” The smaller version may be much quieter, but wasn’t large enough for my needs.
Question: What does the "DC" mean
Answer: DC stands for direct current. That's what makes the fan so quiet. One thing to note, since the fan is DC, there is a ten second delay before the fan actually come on. It works great though.
Question: My install will be a retrofit. Can this be installed with no attic access
Answer: Per Panasonic, if you already have a fan installed and a switch in the wall to turn that fan on and off, this will help with the install. This model does have the Flex-Z-Fast bracket to assist with install without accessing the attic. Depending on the size of the unit you are removing, you may need to cut a larger hole in the ceiling. The base of the fan is 10-1/4“ x 10-1/4”. Keep in mind, this model takes 6” duct, so depending what size duct the previous fan had, you may need to install 6” ducting to use this fan. The included installation manual will help provide further instructions for retrofit installations.
Question: Can this fan be used for replacement vs new construction
Answer: I purchased this fan to replace an existing fan and I found the installation could have been a simple retrofit, but this model requires 6” ducting for proper operations. I made this ducting a part of my replacement as the previous fan was not properly installed. I will be purchasing a few more of these fans to install along with the appropriate duct and wall cap products. The fan includes an easy-to-install “Flex-z” bracket that makes this potentially a simple retrofit. The hole for the box is specked to be 10.5” square for “new” construction or 10 7/8” for replacement. I cut the hole for 10 7/8” and feel I could have made it the 10.5 “ size and still have made this retrofit work.

Product features

Rely on a higher power

Panasonic is reinventing venting with superior ventilation power that quickly removes contaminated air and moisture from your home. When you install a Panasonic ventilation fan you always get the promised CFM power rating as listed on the box.

Understanding the importance of power rating:

Powerfully Quiet

Panasonic ventilation fans deliver the highest power rating to remove air impurities from your home while operating at whisper-quiet audio levels so low you’ll barely know it’s on.

BV Ultra-Quiet 90 CFM, 0.8 Sone Bathroom Ventilation & Exhaust Fan

BV

Based on 664 reviews Check latest price

Product description

Super-Quiet Ventiation System

Silent clever technology and with excellent performance motor.

Can operate and move a large volume of air with very small noise made

HVI 2100-certified, UL, and Energy Star Approved. Quality & performance assurance.

Well made exhaust fan with stainless steel element housing body.

Heavy duty motor, suitable for continuous operation. Life time lubirication and thermally protected.

This fan help you the exhaust the air and also save the energy.

Multiple model choices for different indoor space size

BV-90CFM

0.8 sones. Ventilating for bathroom space up to 90 sq-ft. (120Volt, 60Hz, 24W.)

BV-110CFM

1.2 sones. Ventilating for bathroom space up to 110 sq-ft. (120Volt, 60Hz, 30W.)

BV-150CFM

1.5 sones. Ventilating for bathroom space up to 150 sq-ft. (120Volt, 60Hz, 42W.)

Shop with confidence

BV is continuously improving and evolving for our customer needs. Our goal is your 100% satisfaction.

We offer every customer a limited one-year product warranty on every item purchased

  • Super quiet performance. Silent-Clever Technology with only 0.8 sone
  • Mounting opening: 9.25" x 9.0". Height: 7.5" Stainless steel 4" duct collar
  • Ventilating area for bathroom space up to 90 sq-ft
  • HVI 2100-certified and UL Approved. Quality & performance assurance.
  • One-year limited product warranty with technical support service included

User questions & answers

Question: Does it come with an adapter for 3" exhaust duct opening
Answer: Robby, my fan came fitted with the 4" opening and no adapter for 3" duct.
Question: My fan now is motion activated only. They put a cover plate over the wires. Does this fan have a switch to turn it on
Answer: no on-fan switch! a switch is a separate electrical installation.
Question: Does this unit easily replace a standard size fan
Answer: Not a standard one. The screw positions are difference. I have to use the old motor housing for your new motor fan. Not easy.
Question: What are the exact dimensions of the plastic cover piece
Answer: The dimensions of the cover itself is 11.5" x 11.5" x 0.5"

Product features

BV Bathroom Ventilation and Exhaust Fan

Moist air from showers, tubs and other fixtures in bathroom can accumulate on bathroom surfaces, leading to rot and peeling paint.

Packages Content

  • Grille x 1
  • Long wood Screws x 8; Short screws x 4
  • Suspension brackets x 4
  • User Manual x 1

Bathroom Fan Specfication

  • Weight - 9.2 lbs (4.18kg)
  • Housing Dimension: 9" (23 cm) x 9" (23 cm) x 7.6" (19.3 cm)
  • Grill Dimension:12.62"(32.07 cm) x 12.62" (32.07 cm) x 0.75"(1.9 cm)
  • Duct Diameter - 3-3/4" (9.53 cm)

Note: Be careful to cut the hole exactly because if it is too big, the grille will not hide it

Joist Mounting

Joist Mounting I - without suspension brackets

Joist Mounting

Joist Mounting II -use suspension brackets as extension for mounting on the wall

Exisiting Ceiling

Strongly recommend to remove the duct part first, be sure to install the duct in the position so the housing will line up correctly. After using the screws to secure the duct connector to the edge of the hole,so that it will line up with the exhaust on the fan housing.

Fresh Air In, Humidity Out.

BV Bath fans can improve indoor air quality by venting moist air quickly outside, which eliminates problems associated with high humidity like mold and mildew growth, steamy mirrors and peeling wallpaper and paint.

Panasonic FV-0510VS1 WhisperValue DC Ventilation Fan, 50-80-100 CFM

Panasonic

Based on 435 reviews Check latest price

Product description

Panasonic designs ventilation ceiling exhaust fans that not only produce maximum airflow, but also remove air impurities while operating at whisper-quiet audio levels. Panasonic FV-0510VS1 WhisperValue DC bathroom fan is the perfect multifamily solution; also ideal for single family and manufactured homes. The revolutionary ECM motor with intelligent self-adjusting SmartFlow technology senses the amount of resistance in the duct run and automatically adjusts the fan speed to deliver the optimal CFM output, even in the case of a complicated duct run. The built-in Pick-A-Flow airflow selector provides the unique ability to select your required airflow (50-80-100 CFM) with the simple flip of a switch. The extremely thin profile of WhisperValue DC fan opens up options for where you can install the fan, which is UL listed for ceiling or wall mount. Panasonic fans use less energy to move larger volumes of air than other brands. Consequently, Panasonic fans run cooler so they last longer because they are less likely to overheat and result in motor failure. The unique L-shaped bracket simplifies installation and provides strong support. The L bracket is interchangeable to be positioned to either the left or right side stud for optimal fan placement. Panasonic ventilation fans are ENERGY STAR certified and provide better efficiency and comfort with less noise. The fans feature high-performance motors and an improved blade design, providing better performance and a longer life. Achieve quality air and energy efficiency with whisper-quiet sound levels for your spaces with Panasonic FV-0510VS1 WhisperValue DC Fan.

  • Installation: Features a low profile can ideal for residential construction; celiing or wall mount
  • Precision Spot Ventilation: Quiet and powerful ventilation while removing moisture and pollution
  • Pick-A-Flow Speed Selector: Allows you to pick desired airflow from 50, 80, 100 CFM
  • Slimmest Design: With a 3-3/8-Inch housing depth, WhisperValue DC is slimmest design available
  • Energy Star Rated: Delivers powerful airflow without wasting energy

User questions & answers

Question: Can this fan be installed from below, or do you need to access from above ceiling
Answer: Yes. If you can get the knockout out and enough vent tube down. Not your hole will need to be about 1/2” bigger than the fan to accomplish this and you will need to be in a stub/joist
Question: What is the duct size please
Answer: It is 4 in oval so it can fit into 2 by 4 walls. I used this to immediately go to the outside. Fantech 4 inch Round to Oval Duct Elbow FEL 4 https://www.amazon.com/dp/B004HE1A7C/ref=cm_sw_r_cp_apip_ZR9i4rM5GZFhA
Question: Is this product same with panasonic fv-08-11vf5? they look same but dimensions and prices are different
Answer: especially sizes.installation to hard.
Question: The fan turns on but its not a constant speed/whir and it oscillates between on and off - is that how its supposed to work
Answer: THAT'S NOT HOW MINE WORKS...... IT STARTS SLOWLY BUT AT CONSTANT SPEED THERAFTER,

Product features

Rely on a higher power

Panasonic is reinventing venting with superior ventilation power that quickly removes contaminated air and moisture from your home. When you install a Panasonic ventilation fan you always get the promised CFM power rating as listed on the box.

Understanding the importance of power rating:

Powerfully Quiet

Panasonic ventilation fans deliver the highest power rating to remove air impurities from your home while operating at whisper-quiet audio levels so low you’ll barely know it’s on.

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