3 best efficient window air conditioner

An efficient window air conditioner is a cooling system designed to provide effective cooling while minimizing energy consumption and operating costs. These appliances are commonly used in residential and small commercial spaces to maintain a comfortable indoor environment during hot weather. Here are some key features and considerations for efficient window air conditioners:

Energy Efficiency:
- Energy Efficiency Ratio (EER): Look for units with a higher EER rating, as it indicates greater energy efficiency. A higher EER means the air conditioner can provide the same cooling effect while using less electricity.
- Energy Star Certification: Consider models with the Energy Star label, as they meet or exceed energy efficiency guidelines set by the U.S. Environmental Protection Agency (EPA).
Size and Cooling Capacity:
- Choose an air conditioner with the appropriate cooling capacity for your room size. An undersized unit will struggle to cool a larger space, while an oversized unit may cycle on and off frequently, reducing efficiency.
- Measure your room's square footage and refer to the manufacturer's guidelines to determine the right capacity.
Adjustable Fan Speeds:
- Look for models with multiple fan speed settings. Lower fan speeds can help maintain a more consistent temperature and reduce energy consumption when full cooling power isn't needed.
Temperature Control and Programmable Thermostat:
- A programmable thermostat allows you to set your desired temperature and schedule when the air conditioner should run, helping you save energy when you're not at home or during cooler times of the day.
Filter Maintenance:
- Regularly clean or replace the air filter to ensure efficient operation.A clean filter allows for better airflow and cooling performance.
Installation:
- Proper installation is crucial for efficiency. Seal gaps around the unit to prevent warm air from entering and cool air from escaping. Make sure the unit is level and secure.
Noise Level:
- Consider the noise level of the air conditioner, especially if it will be placed in a bedroom or other quiet space. Look for models designed to operate quietly.
Additional Features:
- Some window air conditioners come with extra features like a remote control, timer function, or sleep mode for added convenience and comfort.
Maintenance:
- Regular maintenance, such as cleaning coils and fins, lubricating moving parts, and checking for refrigerant leaks, can extend the lifespan and maintain the efficiency of your window air conditioner.
Cost Considerations:
- While more energy-efficient models may have a higher upfront cost, they can save you money in the long run through reduced energy bills.

Efficient window air conditioners can help you stay cool while minimizing your impact on the environment and your wallet. Choosing the right unit for your space and properly maintaining it are key to maximizing its efficiency and longevity.

Below you can find our editor's choice of the best efficient window air conditioner on the market

Midea U Inverter Window Air Conditioner 10,000BTU, U-Shaped AC with Open Window Flexibility, Robust Installation,Extreme Quiet, 35% Energy Saving, Smart Control, Alexa, Remote, Bracket Included

Midea

Based on 3 reviews Check latest price

Product description

FREQUENTLY ASKED QUESTIONS:

1.Whether the product comes with a mounting bracket and mounting accessories?

- Yes, no separated purchase needed.

2.This is my first installation experience, how can I install the item?

can read the instruction of installation manual or watch the installation video < Midea U-Shaped AC installation > on the detail page >.

3.There is a gap between the body and the installation accessories after installation.

- Please see the installation video on the product page for the steps to seal the gap.

4.I found that there are missing parts in the package.

- Please check the packages carefully and there are some brackets that may be in the corner or under the foam (ex. L brackets).

5.Can screen be adjusted when the window is opened?

- The screen is adjustable between 22”-36” for when people open their window – Height would be fixed at height from bottom of U to top of unit. *Reference adjustable screen separately sold.

6.The machine is not cooling or cooling slowly.

Please select the appropriate capacity section according to the recommended area. Check if the machine is in cooling mode.

8. The air volume is not enough to feel the wind.

- Midea U uses a silent air duct design, and the air supply distance reaches 20 feet. While increasing the air volume, the wind noise is much smaller than the ordinary window machine.

9.Can the display light of the machine and the key “beep” sound be turned off?

-This is a regular feature and cannot be turned off at this time. A new version of the APP is being developed, and the function of turning off the display light and key tone will be realized by then.

10. What mobile phone permissions are required for the APP?

-GPS and camera permissions.

More than 35% Energy Savings: With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units, and it's the first window AC to obtain the ENERGY STAR Most Efficient 2020 Certification. You may also get exclusive benefits from your local energy distributor
Extreme Quiet: 9 times quieter than some traditional units. The U-shape blocks the noise from the cooling system using your window. This design allows for extremely quiet operation as low as 42 dBA - almost as quiet as a library – so you can get a restful night’s sleep or binge your favorite shows undisturbed
Flexible window open: Midea U-shaped design allows your window to open, bringing fresh air into your home anytime allowing you to maintain more of your view.Refrigerant:R32
Smart Control: The Midea U is Wi-Fi- enabled, it can be controlled from anywhere through the cloud using the MideaAir app on iOS or Android. You can also use voice commands with Alexa or Google Assistant if you prefer
Robust Installation: Support bracket is included for a more robust installation that supports the unit with the window open or closed.Available for single-hung or double hung window with size: 22 - 36 inches, minimal height at 13.75 inches.

Product features

OVER 35% ENERGY SAVINGS*

Midea U achieves more than 35% energy savings compared to traditional units. It's the first window AC to obtain the ENERGY STAR Most Efficient 2020 certification.

Quiet Operation Blocking Noise Outside

The U-shaped design keeps the noise coming from the compressor outside. This allows for ultra quiet operation as low as 42 dBA*-almost as quiet as a library!

FLEXIBLE WINDOW OPENING FOR FRESH AIR

With an innovative U-shaped groove design and unique drop-in install method, you may open your window to enjoy fresh air even with your AC installed.

SMART CONTROL

Midea U works with Google Assistant and Alexa. It is also WiFi-enabled and can be controlled from anywhere through the cloud using and app on iOS or Android.

Robust Installation

The included bracket improves the unit support beyond what a traditional window AC can offer. The unique design allows the window to open and close and the unit to remain secure. Multiple types of foam have been included to improve the sealing performance common with traditional installs.

The window is secured by an anti-theft mechanism while closed.

STRONG AND QUICK COOLING

Stronger airflow allows you to feel the cold air up to 20ft. away. The full DC inverter technology helps to cool your room fast.

Della 6000 BTU Window Air Conditioner 690W, 110V/60Hz, 12.2 (EER) Energy Star Efficient Cooling Rooms up to 250 Sq. Ft. with 46 Pint/24hrs Dehumification, Digital Display with Remote

Della

Based on 272 reviews Check latest price

Product description

Say you need just a little extra cooling, but you want a window unit that really works. Maybe one with 6,000 BTUs, dual cooling speeds and a 2-way air direction function that cools up to 250 sq. ft. Well, we've got it right here. Not a ton of bells and whistles. Just a really great air conditioner

Features:

Comfortably Cool Rooms - With 6,000 BTUs, the AC unit is ideal for cooling rooms up to 250 square feet
Eco Mode - Fan and compressor shut off temporarily when the room is cool enough, saving you time and money
Quiet Operation - Air conditioner provides maximum comfort with minimal noise
Remote Control - Allows you to precisely control the temperature and fan speed from across the room
3-speeds - 3 cooling speeds with auto cool keep your cool under control three powerful cooling and fan speeds allow you to control the temperature of your room at your pace
Dry Mode - Built in Dry Mode function reduces the humidity of the air to make the room more comfortable
Installation Kit - The easy install window kit features side panels that minimize air leaks and ensure that cool air remains in the room, saving you on energy costs.

Specifications:

Color: White
A/C Cooling Rate (BTU/hr): 6,000 BTU
Recommended Room Size: 250 sq/ft
Voltage: 115V/60hz
Amps: 4.3
Fan Speeds: Auto Speed, Low, Med, High
Sleep Setting: Yes
Timer Setting: Up to 24 hours
Eco Mode: Yes
Dry Mode: Yes
Temperature Range: 61°F to 88°F
UL Listed: Yes
Energy Star Rated: Yes
Refrigerant: 410 A
Overall Dimensions: 19-1/4"(W) x 15-1/4"(L) x 13-1/2"(H)

Package Include:

Air Conditioner
Remote Control
Installation Window Kit
Hardware Set

HIGH PERFORMANCE - 6000 BTU, 690W, 115V/60Hz, LCDI Power Supply and Energy Star Rated at 12.2 Energy Efficiency Ratio (EER). Makes it a High Energy Saving and Efficient Compact Window AC. Unit Also Works as a Dehumidifier with a Dehumification Capacity of 46 Pint Per Day.
QUIET OPERATION - Smooth Air Flow - 180 m3/h (Low), 210 m3/h (Medium), and 240 m3/h (High) Fan Speed with only 51 dB(A) Low 53 dB(A) Medium, and 55 dB(A) High Speed, it's almost about the sound level of an average conversation between two person in a quiet room. Very Easy to Operate, Simply Set it and Forget it.
FEATURES - Variable Temperature Setting from 61℉ - 88℉. All Functions can be set on LED Digital Display or Remote Control: Sleep Mode, Fan Speed Selection, 24 Hour Timer, ECO Mode, Auto Mode, and Fan Only. Washable and Reusable Air Filter Can be Easily Slide Out and Can be Easily Washed with Warm Water and Dish Soap or Vacuum Cleaner for Best Performance. Please Make Sure Filter is Dry Thoroughly Before Reinstalling).
EASY INSTALLATION - Unit Installs Easily without Significant Modification to the Existing Window Frame. Fits Windows from 23" to 36" Wide and Minimum Height of 14.5". Complete Mounting Accessories are Included in Package. Pilot Holes are Highly Recommended for some window frames. Please Check Instruction Manaul for More Detail.
COVERAGE AREA - Compact Size Measures at only 19"W x16"D x14"H and Weight only 53 Pounds, Unit is able to Cools up to 250 Sq. Ft Space. Great Ideal for Small Rooms, Storage Rooms, Computer Server Rooms, Apartments, Condos, Trailer Homes and More!

User questions & answers

Question:	Is this 110- or
Answer:	110
Question:	I've heard conflicting reports... my window is exactly 19 1/4" wide. Would this AC fit
Answer:	Yes
Question:	Does the air filter pull from the front or from the side in order to clean
Answer:	The filter is located on the side. It pulls out from the side.
Question:	Where is this made
Answer:	Not sure but the Della company is an overseas company which makes their warranty process a nightmare that is very expensive shipping on your part.

Product features

3-IN-1 MULTI-FUNCTION

Featuring Cooling, Dehumifying, and Fan only modes in one compact unit. Quiet operation provides a comfort environment at your home, shop, and office.

24-HOUR TIMER

24-Hour timer to help saving energy by turning unit on and off automatically. Simply set it ON right before you get home and set it OFF after you leave home.

SLEEP MODE

Sleep mode automatically adjusts the temperature throughout the night as you require less cooling while asleep. Enjoy maximum comfort at night with this feature.

AIR FILTER

Washable and Reusable air filter can be easily slide out before cleaning. Simply flush with a hose and force the water through the filter.

ESAY INSTALLATION

Unit can be installed easily without a major modification to the window frame. All mounting accessories and window slider are included.

FAST COOLING

Quickly cool down any home, room, apartment, and office during hot days and nights. High efficient rotary type compressor equipped.

CONTROL & DISPLAY

Unit comes with a user friendly digital display and remote control allowing full access when you are next to the unit or you are away from the unit.

ECO ENERGY SAVER

Eco Mode feature helps saving energy by automatically shuts off unit when it reaches a set temperature to maintain efficient operation.

ENERGY STAR / UL LISTED

Units are Energy Star rated which is the simple choice for energy efficiency and meets UL safety standard.

Frigidaire Energy Star 22,000 BTU 230V Window-Mounted Heavy-Duty Air Conditioner with Full-Function Remote Control, White

FRIGIDAIRE

Based on 19 reviews Check latest price

Product description

On hot, humid days, Frigidaire's Energy Star 22,000 BTU window-mounted air conditioner quickly cools a room up to 1300 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable. NOTE: This unit requires a special 230V electrical outlet and will not operate with a standard 115V household electrical outlet.

Energy Star efficiency conserves energy and saves you money on your electric bill (10. 3 EER)
22, 000 BTU heavy-duty air conditioner for window-mounted installation
Special 230V electrical outlet required (Unit will not work with a standard 115V outlet)
Quickly cools a room up to 1300 sq. ft. with dehumidification up to 7. 2 pints per hour
After a power outage, Effortless Restart resumes operating at its previous settings once power is restored.Motor RPM (Med): 1030