8 best central ac units

Central air conditioning (AC) units are essential components of HVAC (heating, ventilation, and air conditioning) systems commonly used to cool residential and commercial spaces. These units are part of a central HVAC system that distributes cooled air throughout a building via a network of ducts.

Key components of a central AC unit include:

  1. Compressor: The compressor is a crucial component that circulates the refrigerant within the AC system. It pressurizes and moves the refrigerant through the system.

  2. Condenser Coil: This coil is located outside and helps dissipate heat from the refrigerant, converting it from a high-pressure gas to a liquid.

  3. Evaporator Coil: The evaporator coil is located indoors and cools the air by absorbing heat from it, thereby turning the liquid refrigerant into a gas.

  4. Refrigerant: Refrigerant is the substance that circulates through the coils, absorbing and releasing heat to facilitate the cooling process.

  5. Expansion Valve: This valve regulates the flow of refrigerant into the evaporator coil, controlling the cooling process.

  6. Fan: Fans circulate air over the evaporator and condenser coils to facilitate heat exchange and distribute cooled air throughout the building.

  7. Thermostat: The thermostat allows users to control the temperature settings, turning the AC on and off as needed to maintain a desired indoor temperature.

Central AC units work by pulling warm indoor air through the return air ducts, passing it over the cold evaporator coil to cool it, and then redistributing the cooled air through the supply air ducts.The refrigerant absorbs the heat from the indoor air, and the heated refrigerant is pumped to the outdoor condenser coil, where the heat is released into the outside air. The cooled refrigerant is then recirculated to continue the cooling cycle.

Proper maintenance, including regular cleaning and checking for refrigerant leaks, is essential to ensure the central AC unit operates efficiently and effectively, providing the desired indoor comfort.

Below you can find our editor's choice of the best central ac units on the market
  

IPHUNGO Square Central Air Conditioner Cover, Durable Waterproof Breathable TPU Coating, Central AC Unit Covers for Outdoor Protection (26''x 26'' x 32'', Black)

Based on 500 reviews Check latest price
  • ✅【High-quality AC Cover】- Made of high quality 210D breathable cloth, TPU coating, with wear resistance, durable, waterproof, windproof, coldproof, UV resistant, tear resistant and other functions so that it can protect the air conditioner and extend central air conditioner cover's life.
  • ✅【2 Velcro Openings】- Two velcro closures on the side, allowing wiring and tubing to pass through. Air conditioner cover's side is designed with a air vent to effectively circulate the air and prevent moisture accumulation and condensation.
  • ✅【Double Windproof Design】- Elastic hem cords and adjustable buckle straps at the bottom, can make the ac cover wrapping the equipment more closely fit. Drawstring cord with cord lock tightens the cover which protect your equipment better in bad weather and reduces damage greatly.
  • ✅【Size】- Approx 26"(L) x 26"(D) x 32"(H). These are cover sizes, NOT A/C. Please choose the right size before purchase to ensure that the items covered are within the size of the air conditioner cover.
  • ✅【Attention】- Before covering the air conditioner cover, please clean the surface of the air conditioner and check to make sure there are no sharp objects on items that need covering.【Note】- Air conditioner cover is not to be used when air conditioner unit is in use.

User questions & answers

Question: Would this be too big for a 24" x 24" x 24" unit
Answer: Hello both sides are okay. Both sides have the same water resistance and firmness.Welcome to visit us
Question: I have a 25.75x25.75x 32.321 inches ac unit. Will the 26x26x32 workthe 26x26x32 work
Answer: The cover is one piece of material with hooks to securely attach to ac. It protects the top of the ac from snow. I like the appearance of the cover.
Question: Would this item work for my 26x26x
Answer: The cover only fits on top of the air conditioner and the sides of the air conditioner is open. The cover prevents the snow from getting on top of the fan.
Question: Can you use the ac with cover on
Answer: the air conditioner covers suit for outside center ac unit, if you need window ac covers, please kindly check our another style for window, thanks.

Product features

IPHUNGO Air Conditioner Cover

All-season available air conditioner cover, the durable 210D Oxford, fully protects your furniture from the accumulation of dust, dirt, rain, wind, sun, snow, birds, leaves. Exclusive adjustable design, extend product service life!

Specifications:

High-Quality AC Cover

With high quality 210D breathable cloth and TPU coating, it is wear-resistant, durable, waterproof, wind resistant, cold resistant, UV resistant and tear resistant. Protect the appearance of furniture and prolong its service life. It has a good protective effect.

Air Mesh Vents

The mesh vent design allows air to circulate without retaining moisture. Prevents condensation under the cover and keeps electrical components dry.

Two Velcro Closures

Two velcro closures on the side, allowing wiring and tubing to pass through. No matter which direction or height your pipe is in, we can fit it perfectly!

Adjustable Design

Elastic hem cord and adjust buckle straps can adjust the size of hem so that you can use different furniture, help to keep air conditioning cover in place. Double windproof design to protect your equipment in bad weather, and greatly reduce damage.

UV-proof

TPU coating can block ultraviolet rays and solar heat, and prevent furniture from fading, cracking or even deformation due to high temperature outdoors.

Rain-proof

Waterproof 210D Oxford cloth, TPU coating, prevents rain and melted snow from sneaking into the interior and prevents the protected product from rusting.

Wind-proof

Elastic hem rope and adjustable buckle can adjust the size of the hem, providing a tight and custom fit, double windproof design that helps hold the lid on windy days. It's more protective.

Snow-proof

The great 210D Oxford cloth material allows your air conditioning cover to safely contract or deform below freezing temperature conditions such as snow, ice, frost or hail.

MODERN WAVE Central Air Conditioner Cover for Outside Units 36 x 36 - Top Universal Outdoor AC Cover Defender (Mesh, 36" x 36")

Based on 661 reviews Check latest price

Product description







*NEW* Since August 2020 we are selling new improved covers with STAINLESS RUSTPROOF RIVETS







Don't know how to protect your expensive AC Unit? We know how:



1. Heavy Duty Defender Cover placed on top of your AC and prolongs AC life



2. Universal Mesh AC Cover keeps electrical components dry and protects your AC air conditioning unit from rust, corrosion, grass clippings and leaves!



3. 4 (four) bungee cords with metal hooks fasten over a horizontal bar of the unit to the each side of Air Conditioner



4. Available in 2 (two) sizes: 32" x 32", 36" x 36"





SPECIFICATION (DESCRIPTION):



Size: 36 x 36 inch

Color: Mesh Black

Material: Premium Durable Polyester fiber and metal





PACKAGE INCLUDES:

1 (one) Mesh Air Conditioner Cover

4 (four) High quality elastic bungee cords with metal hooks that have scratch protection cover



WARM TIPS:



Please carefully measure your AC unit before choosing right cover size





INSTALLATION



Please watch video below





If there is any issues, questions or concerns, please let us know! We will find the best solution for you!

  • PREMIUM AIR CONDITIONER COVER - AC cover provides top protection from leaves and branches
  • EASY TO USE - Perfectly designed cover has four adjustable bungee cords that attach to the sides of the unit to fit securely over the top
  • HIGH QUALITY MESH MATERIAL - Open heavy duty mesh material provides air flow to the unit and helps to reduce moisture inside the air conditioner outdoor unit
  • INCREASES AC UNIT LIFE - Cover keeps AC unit free of grass and leaves, prevents rust, minimizes electrical failures
  • STANDARD FIT - Durable cover fits most standard-sized AC units. Size 36" x 36". Please measure AC before purchase

User questions & answers

Question: My ac unit is exactly 32”. does the 32” size have enough material to fit my ac unit as shown in the picture or should i purchase size
Answer: Yes! Mine fits like picture. I use the 36 and mine is exactly 36X36 and it go’s down the sides comfortably like pictured.
Question: I have a 29 x 29 ruud unit...what size is best
Answer: Is the measurement from corner to corner? Pick the next size up form your measurement.
Question: Does anyone know if they keep pine needles out of the ac unit
Answer: I'm not near any pine trees so I can't answer %100 on pine needles but I keep my cover on all year round because I have 2 large trees above my unit and it definitely keeps out all of the debris even though there is a small "net like" cover for air flow.
Question: Can this cover be used when running the air conditioning or does it need to be removed at that time
Answer: Hello. Yes, our mesh air conditioner cover can be used while running AC

ZNCMRR Square Central Air Conditioner Cover, Durable Waterproof Winter Heavy Duty Outdoor Air Conditioner Cover with Vent (Black, 24" x 24" x 30")

Based on 157 reviews Check latest price
  • ✔️【Air Conditioner Cover】- Made of high quality 210D breathable cloth, TPU coating, with wear resistance, aging resistance, waterproof, windproof, coldproof, UV resistant and other functions.
  • ✔️【2 Velcro Openings】- Two velcro closures on the side, allowing wiring and tubing to pass through. The side of the air conditioner cover can be opened for more convenient use, and the exhaust pipe can select one of the velcro closures to pass.
  • ✔️【Vent】- Air mesh vents prevent moisture and condensate build-up and ensure air circulation. The vent cover helps prevent snow and water from entering, reducing internal humidity and minimizing equipment failure. It can protect your equipment from rain, snow, sun, dust and more.
  • ✔️【Elastic Hem Cord & Buckle Strap】- Double windproof design. Elastic hem cords and adjustable buckle straps at the bottom, can make the air conditioner cover wrapping the equipment more closely fit. The air conditioner cover can protects your equipment better in bad weather and reduces damage greatly.
  • ✔️【Size】- Our products are available in 3 sizes, 24" x 24" x 30" or 26" x 26" x 32" or 36" x 36" x 39". Please choose the right size before purchase to ensure that the items covered are within the size of the air conditioner cover. 【Includes】- 1 x Air Conditioner Cover (please select appropriate size according to the size of equipment).
  • ✔️【Attention】- Before covering the air conditioner cover, please clean the surface of the air conditioner and check to make sure there are no sharp objects on items that need covering.

User questions & answers

Question: My central ac unit is exactly 24" x 24" x 30"h. should i buy the cover a size larger than the actual dimensions
Answer: No.it is only to use to cover and protect the Central Air Unit during when not in use and Winter. It will prevent the hot air to circulate if cover is used while Central Air Unit is on. 

Product features

ZNCMRR Heavy Duty Outdoor Central Air Conditioner Cover
Product Description:

  • Product Name: Air Conditioner Cover.
  • Material: High quality 210D breathable cloth + TPU coating.
  • Size: 24" x 24" x 30" or 26" x 26" x 30" (choose according to the size of your own items).
  • Protection: The whole weather protection (it can protect your outdoor central air conditioner from sun, rain, snow, wind and dust).
  • Applicable: Can be used indoors or outdoors.
  • Note: Before you cover the air conditioner cover, please check to make sure there are no sharp objects on items that need a cover. Thoroughly dry the product before storing.

Anti-UV

TPU coating protects the air conditioner unit from UV rays and also prolongs the service life of air conditioner unit and air conditioner cover.

Rainproof

210D breathable fabric with water-resistant coating to prevent rain from seeping through cover and keeps your air conditoner unit dry.

Snowproof

Moisture-proof materials prevent snow and wet debris from entering, protecting your air conditoner unit from rust and corrosion.

Windproof

Elastic hem cords and adjustable buckle straps can make the air conditioner cover more closely fit, keep your air conditioner completely protected during wind and storms.

Air Mesh Vent

210D breathable cloth, uniform and stable gas permeability, super air mesh vents allow air to circulate without causing moisture build-up.

TPU Coating

It has excellent toughness, wear resistance, aging resistance, waterproof, windproof, coldproof, UV resistant and other functions to protect equipment better.

Elastic Hem Cord

Adjustable Hem cord, a convenient draw string hem affords a tight, custom fit.

Velcro Closure

Two velcro closures allow wiring and tubing to pass through and fit snugly to the wiring and tubing.

Jeacent Central Air Conditioner Covers for Outside Units AC Covers 32x32x36 inches

Based on 830 reviews Check latest price
  • Premium air conditioner cover - cover the central A/C unit, size 32"long x 32"width x 36"height
  • Ventilation - mesh vents allow air flow, prevent moisture and condensation build up
  • Prolong A/C life - highly resistant to sunlight and temperature extremes, minimize electrical failures
  • Durable and Waterproof - 100% woven polyester fabric with water-resistant coating to prevent rain from seeping through cover and keeps your A/C unit dry
  • Breezy Installation - elastic hem cord around bottom, secure with side Velcro closure and Adjustable buckle straps for a snug fit, easy fold to store. US Patent Pending. All Rights Reserved.

User questions & answers

Question: my ac is 29x29x36. Is this unit 32x32x36 will work well
Answer: I normally wear 14/16, ordered the xl(16) and it is form fitting.
Question: Is this for summer use as well as winter use
Answer: I find shipment with Amazon to be a joke! There’s no such thing as 2-Day Prime shipment that’s included in your membership anymore. I’ve purchased several items in the last 5 months, and it either doesn’t get delivered at all or it arrived 3-4 days passed their schedule arrival date. That also includes having items shipped to their lockers. Even a bigger joke! I’ve spoken to customer service and they keep reassuring this won’t happen again, but after contacting them, I don’t expect much. They need to revisit their shipping process and think about increasing the pay for their delivery staff.
Question: Can you use this cover when the unit is running
Answer: I ordered it on a Sunday and got it that Thursday. I’m also a Prime Member.
Question: Air condition unit is round not square need cover do you have it
Answer: Yes! The tie goes through a loop hole and then I tie it in the front. I bet you wouldn't have any problem breastfeeding in it.
Question: Is this r
Answer: Hello, first put the container on the scale and press and hold the unit button for 2 seconds then you can put the object.
Question: Does this use r
Answer: Yes, our kitchen scale has an automatic shutdown function, when you do not perform any operation, it will automatically shut down within 60 seconds. Save time and power.

Goodman 3 Ton 16 SEER Air Conditioner R-410a GSX160361

Goodman

Based on 55 reviews Check latest price

Product description

This listing is for the product only. Installation is not included.

  • High and low pressure switches
  • 850 RPM condenser fan motor
  • Copeland Scroll Compressor
  • Contractor with lug connection
  • Cabinet with single panel access and steel louver coil guard

User questions & answers

Question: can i use a cased coil if uncased coil wont fit in furnace
Answer: You do have a warranty if it is installed by a qualified technician according to your local code. Here is the relevant part of it:"Internet Sales Policy No warranty coverage is offered on Goodman brand equipment purchased by consumers over the Internet, including web-based auctions, telephone or other electronic means, unless the unit is installed by a dealer adhering to all applicable federal, state, and local codes, policies, and licensing requirements. This policy is necessary to ensure that Goodman brand equipment is installed properly, in compliance with applicable laws, rules and codes, and in a manner that addresses safety concerns and the proper performance of Goodman brand equipment. As outlined below, the failure to comply with this policy could lead to violations of applicable law that are punishable by fines."
Question: Do you have electric air handlers
Answer: Hello. Your question does not contain sufficient information to provide an accurate answer. This replacement fuel pump is exactly like the old one on my truck. Sorry.
Question: how much square footage does it cool (1400sf, 2000sf of 5000sf
Answer: ABN Fuel Line Disconnect Scissor Tool for 5/16in and 3/8in Vehicle Fuel Lin Compatible with GM, Ford, Mazda https://www.amazon.com/dp/B00YFRD1Y6/ref=cm_sw_r_cp_api_i_Q8Z-Eb5RJM2CS I do believe this is what i bought, and some wd-40
Question: According to one of the customers of this unit, the warranty is not covered under on line sales, is this true
Answer: The pump I received did include a Motorcraft fuel filter.

MRCOOL DIY 18k BTU 20 SEER Ductless Heat Pump Split System 3rd Generation - Energy Star 230v (DIY-18-HP-230B)

MRCOOL

Based on 651 reviews Check latest price
  • Energy Star Certified– 20 SEER, 10 HSPF
  • Easy DIY installation: pre-charged R-410A 25ft quick connect line doesn't require special tools, equipment, or training
  • New SmartHVAC app: wifi control - compatible with Alexa and Google assistant - you can control your DIY anywhere with your Apple or android smart device and an Internet connection
  • Designed to efficiently heat and cool a single 750 Sq Ft room
  • Variable-speed DC inverter compressor technology cuts operating costs

User questions & answers

Question: how are the electrical connections made? hardwired
Answer: I'm usually a small/medium, measured myself, and to be safe, got a medium... it does look a little big, but I threw a belt around the waist, and with the belt, it doesn't look big on me at all.
Question: panhandle of fl, 450sf shop, 3" of closed cell foam walls and ceiling and the 10x10 garage door insulated. how big of a unit? want to heat and cool
Answer: It's like a cotton fabric but with a hint of stretch.. Not too much tho.. Its true to size in my opinion.. It would be perfect to attened a wedding
Question: Do the lines need to be evacuated? Isn't the compressor compromised if they are not vacuumed out
Answer: Get XL or 2XL depending on which size clothing you usually wear. I'm a 38G, usually wear Large or XL, but these are asian sizes. The 3XL was perfect for me. Order 2 sizes up to ensure it will fit at the bust. It has a long back zipper that should help.
Question: Are you able to customize line length to
Answer: I am 5'2 and 118 pounds. I ordered a S.

Goodman 3 Ton 14 Seer Package Air Conditioner GPC1436H41

Goodman

Based on 30 reviews Check latest price

Product description

This listing includes the self-contained air conditioner only. Air conditioners provide cooling only. A packaged unit is a self-contained unit (i.e. condenser/heat pump combined with blower/furnace) which is an outdoor unit. Please consult with your local professional to confirm this is suitable for your application. All accessories are sold separately; feel free to contact us with any questions. This listing is for the product only. Installation is not included.

  • High-efficiency compressor with internal relief valve
  • PSC blower motor
  • Quiet horizontal discharge
  • R410-A refrigerant
  • GPC1436H41

User questions & answers

Question: Is there a replacable air filter in this unit
Answer: no
Question: We currently have a 3.5 ton all in one unit, that broke down. Will this 3 ton unit fit, in it's place
Answer: It is highly recommended that you stick with the same tonnage you currently have. You will risk poor performance otherwise. Please consult with a licensed technician to properly size your home.
Question: How I can contact you? I need 2 full units, (probably
Answer: I only work on my personal thinks
Question: needed
Answer: Yes . Have an electrician hook it up.

3 Ton Goodman 14 SEER R410A Air Conditioner Split System

Goodman

Based on 29 reviews Check latest price

Product description

Goodman's GSX140361 condenser with 3 ton cooling capacity and 14 SEER is made to last, and even to allow for future expansions and refinements in your system. Its heavy-gauge galvanized steel cabinet features single-panel access to controls with space provided for field-installed accessories. The ARUF37C14 Multiposition air handler, putting 3 tons of capacity in flow with R-410A refrigerant, features rigid SmartFrame cabinet and DecaBDE-free thermoplastic drain pan with secondary drain connections.

User questions & answers

Question: Is this a complete system? it comes with all accessories for connection? The furnace has everything for it to heat my home also
Answer: Yes
Question: Is this setup for inside and outside unit for a home and how many square feet does it cool
Answer: Yes there was rewiring needed on my 94 f-150 I had to use the plugs on my old front and rear pumps. The plugs sent with the pumps weren't the same as mine. But the rewiring was relatively simple. And the pumps work properly.
Question: what additonal air handler components will i need to purchase to accomodate an additional R-22 compressor for another zone
Answer: Nope. It is the Replacement For Ford F-150 F-250 350 92 93 94 95 96.
Question: Goodman's website says internet sales don't have a warranty. Are you saying this product does have a warranty if purchased through Amazon
Answer: Yes it will fit , when installing the rear be sure to make sure the float is facing away from side wall of tank or it get hung up and cause the fuel gauge not to work properly . A mistake I made when installing the rear Fuel pump But to answer your question it will work and fit 👍

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