🥇Top 10 Window Air Conditioner Buyer’s Guide in 2021

This list is a compilation of our personal favorites, reader recommendations, and top sellers from the Facentials store to make a list for the 10 Best Window Air Conditioner reviewed in 2021.

Today there are hundreds of Window Air Conditioner to choose from. And we know how there are different factors people judge a product on.

So, after reviewing dozens and dozens of them, we were able to break them down to our top 10 Best Window Air Conditioner in 2021.

Stay cool in the upcoming summer months or all year around!

🥇Top 10 Best Window Air Conditioner in 2021

1. Whirlpool Window Air Conditioner

Features & Benefits

• Over 21+ Positive Reviews
• Energy star compliant: 11.9 EER
• 15, 000 BTU air conditioner for window-mounted installation
• 4.9-Ft. Lcdi power cord with 3-prong grounded plug uses 115V electrical outlet
• Cools a room up to 700 sq. Ft. With up to 3.52 pints per hour dehumidification. Window width: 28 inches min / 41 inches max. Minimum window height: 19 inches
• Remote control with LCD display allows you to control the Unit from across the room

Testimonial

"I gave this 5 stars because at this point I have no reason not too.. I just installed this unit in the back window of my living area where the dinning room is. Our main living area is a totally open concept so the living room, kitchen and dinning area are all open, about 900 square feet. Its only in the 70s today, so I cant really comment on the effectiveness yet, but it's actually really quite and the air is super cold even on low. I have no reason to believe it wont keep this area of the house nice and cool here in the Pacific Northwest. Our summers have been pretty hot the last 10 years or so, and I had a 12, 000 BTU unit that cooled my last home (1st floor 950 sq. feet) fairly well. I didn't use any of the install/mounting hardware due to the configuration of my home and my prior experience of installing units. Needless to say it's been installed air tight! You'll more than likely need two people, the unit is fairly large and heavy at 105 pounds. I will come back to give an update in a few months as the weather gets hotter and use it more.

So, we have had a few pretty hot days, and this Unit has been incredible. 95 the other day and keeping this on low fan speed/ 61 degrees, the whole house kept cool. Like I mentioned on the 1st post above, my home has a completely open kitchen, living room, dinning area and entry. The bedroom are located at opposite sides of the house, 2 on one side, the master on the other..just opening the doors kept those cool as well. Its a beast, and well worth purchasing" - Michael

2. Frigidaire Window Air Conditioner

Features & Benefits

• Over 18+ Positive Reviews
• Wi-Fi ready Connected room air conditioner with Frigidaire smart app for mobile operation
• 2017 energy star: 12.0 energy efficiency Ratio (EER)
• 12, 000 BTUs Cools up to a 550 square foot room with 3.8 pints per hour dehumidification
• Use your smart device to turn the Unit on or off, change temperature, control modes and adapt fan speeds
• Clean air Ionizer removes pollen and impurities from the air providing relief for allergy Sufferers
• Certifications & Approvals: ENERGY STAR Certified: No|NSF Certified: No|UL Listed: 1-UL Listed

Testimonial

"First of all, this is by far one of the most aesthetically pleasing window ac units that I've ever come across. My house was built in 1904 and our master bedroom is on the top floor which is the converted attic space. There is 1 vent from our central air but you would never even know it was there. This unit cools down our 350 square foot bedroom quickly and consistently. I love being able to control everything from my phone. I can set the unit to cool the bedroom 10 minutes before I'm ready for bed and it is at the perfect temperature without having to walk upstairs to do it ahead of time myself! We do have a ceiling fan in the room which helps circulate the cool air since the vents blow up, not out. Without the ceiling fan on, it still cools but just takes longer to reach the corners of the room. I couldn't be happier with this purchase and I love showing off my beautiful window ac unit!" - Katie

3. Frigidaire FFRA1011R1 Window Air Conditioner

Features & Benefits

• Over 54+ Positive Reviews
• Designed to cool rooms 450 sq. ft.
• 10,000 BTUs quickly cools a room; 3 fan speeds
• 8 way air direction ensures air is distributed evenly
• Quiet operation as low as 55.7 dBA (low); Removes 2.7 pt. of water from the air per hour to keep your room comfortable
• Product dimensions in inches (D x H x W) : 21.5 x 14.5 x 19
• Certifications & Approvals: Safety Certification: UL/CUL (SA11087)|CSA Listed: No|ETL Listed: No|NSF Certified: No|ADA Compliant - All Brands: No|UL Listed: Yes|ENERGY STAR Certified: No

Testimonial

"This works SO GOOD!!! I have a 1200 sq ft one story house and it's been in the 90's here lately. Every day no matter how hard I tried to keep my house cool (ie: open windows at night and run fans day/night and close all windows during the day) by the afternoon my house was literally 84 Degrees inside (or higher)!!! I even closed bedroom doors to minimize the areas where heat would come in.

So I found this Frigidaire window a/c unit and the reviews were very good overall so I bough it. NOW when it's 90+ Degrees outside and I get home from work evenings my house is 64 Degrees!!! In fact it's so cold that it's almost uncomfortable so I have to turn the air conditioner down so it doesn't blow so hard, and also turn the temperature setting up a little as well so it's not so cold!!!

The only thing this one doesn't have it a Remote Control. But I don't care that I have to turn the knobs manually." - G. Phillips

4. Koldfront WAC12002WCO Window Air Conditioner

Features & Benefits

• Over 61+ Positive Reviews
• Keep the summer heat at bay and enjoy a never-ending cool breeze with the Koldfront 12,000 BTU Window Air Conditioner (WAC12002WCO).
• This compact air conditioner is engineered to supply spaces up to 550 square feet with 12,000 BTUs of cooling power, making it an essential addition to bedrooms, living rooms and studies.
• You can conveniently install the Energy Star-certified WAC12002WCO in almost any space you need; It's designed to fit windows from 23" to 36" wide with a minimum height of 15.5". Take advantage of the unit's included remote control to adjust features and operation settings from up to 16 feet away.
• Energy Star Compliant: This window air conditioner meets strict requirements set by the U.S. Environmental Protection Agency to guarantee eco-friendly operation Energy Efficient

Testimonial

"It arrived in prefect condition, kinda surprised, as FedEx, is very hard on things around here. But first off I was surprised at the units size, smaller than I thought it would be, more compact....but that's okay..I installed it by myself, but it is fairly heavy. I had already build an outside bracket to hold it, and that helped greatly. Visually, it's a good looking unit, and like others have said, appears to be well made. The remote uses a coin, type battery, included, and is sleek and has the functions necessary. I used it a bit, yesterday, and it cools fine. On high it's a bit noisy, but I can handle a bit of fan noise, compared to sweating my behind off, here in Arkansas, 100 degree summers, plus 100% humidity. Planning on buying another 8 or maybe 10k btu, to help it out. I'll probably put them both on the same temp, on energy saver, and just leave em on. I'll find out more about it this summer.....if there is a change, I'll post it, but I think this is a good buy." - Timber

5. GE AEM05LX Window Air Conditioner

Features & Benefits

• Over 3+ Positive Reviews
• Quiet
• Easy to Install!

Testimonial

"It's quiet and keeps my 12x12 room a constant temperature based on my external thermometer. Easy install and comes with everything to stick in a slide up window and seal it up. My 2 complaints are when it shows the room temp it's usually off for some reason and the remote doesn't have
dedicated cool, energy saver, fan only buttons just a mode button and a tiny light on the unit that moves so unless you're looking close at the light you don't know what mode you're in. Also, all the lights time out after a few seconds with no option to change that. I'd like to just look over and see the display without having to hit a button to activate the display." - Curtis

6. PerfectAire 3PASC10000 Window Air Conditioner

Features & Benefits

• Over 9+ Positive Reviews
• Adjustable temperature settings that range 62°F - 86°F (17°C - 30°C); cools areas between 400-450 sq. ft.
• Expandable window mounting kit accommodates horizontal sliding or crank-out casement windows with a 15½”/16¼” (min./max.) window width and a 21¼”/39½” (min./max.) window height
• 3-speeds in both cool and fan modes
• Full function remote control with Follow Me portable thermostat technology for total room coverage
• Front-mounted, tilt-out air filter access for easing cleaning

Testimonial

"So far the the airconditioner is working great. Hope it stays this way. The last one from frigedair did not last two years. It was still under warrenty. This one put out colder air and is easy to set." - Ingrid

7. RCA RACE1202E Window Air Conditioner

Features & Benefits

• Over 27+ Positive Reviews
• High efficiency 11.3 eer
• 12, 000 btu window-mounted air conditioner
• Uses standard 115V electrical outlet
• Cools area up to 550 sq. Ft
• Full-function remote control.Digital led display

Testimonial

"Great AC!!!!!! not as quiet as you'd expect but it sounds like a normal unit you'd buy today. The cooling ability of this monster is sufficient to cool my 800 square foot apt. Very simple to operate and does it's job well. I recommend this product to anyone looking for an efficient and economical means of cooling their home. I replaced a 2 year old 10,000 BTU GE from Walmart (then $349) which also did a decent job but it never shut off due to it's limited cooling capability resulting in higher energy bill. Beware this unit is heavy (team lift) is recommended. I took a chance on this RCA because of it's efficiency rating. 11.3 EER is a very good rating and is the most important thing to me when it comes to home appliances." - Julio

8. Frigidaire FFRS0822S1 Window Air Conditioner

Features & Benefits

• Over 45+ Positive Reviews
• 10.9 energy efficiency Ratio (EER)
• Specially designed for casement-window or sliding-window installation (not suitable for standard-window installation)
• 8,000 BTU air Conditioner Uses standard 115V electrical outlet
• Cools a room up to 350 sq. Ft. With dehumidification up to 3 pints per hour
• Full-function remote control allows you to precisely control the temperature and fan speed from across the room

Testimonial

"First, this unit works great - cools down the room fast, even on low. I love everything about it - especially how quiet it is. Even the installer mentioned how quiet it is. It is less noisy than my regular room fan - even on high. I ordered the professional installation through Amazon and could not have been happier. Note: It comes with a very flimsy piece of foam core to fill in the gap between the unit and the top of the window. The installer offered plexiglass instead - so well worth it for the extra $100." - Sparr

9. Kenmore Window Air Conditioner

Features & Benefits

• Over 39+ Positive Reviews
• Connect Now: Control and monitor on the go with Kenmore Smart AC App on your phone or tablet
• 12,000 BTU cools spaces up to 550 sq. ft.
• ENERGY STAR Certified. Noise Level: Sound Level up to 54 Decibels
• Works with Alexa - enable the Kenmore Smart skill in the Alexa Skill store, link your account and begin asking Alexa to interact with the Kenmore Smart appliance

Testimonial

"A fine A/C unit for the bedroom. Is quiet and efficient making our guest bedroom (upstairs) comfortable even in the most humid hot June weather. Before we had this unit, this bedroom was terrible during the day and even late into the evening in just mildly warm weather. Now it's just great. Adult guests had no problem with either heat or noise of operation. Have owned this unit for two months now and am most happy with it." - Jack Ritsema

10. Della Window Air Conditioner

Features & Benefits

• Over 3+ Positive Reviews
• Battle any hot day with ease with this compact but powerful AC. This personal air conditioner will have you resting on the couch instead of getting up and down trying to find the right temp! This mini compact air conditioner is Energy Star Rated and represents the leading edge in energy efficient products!
• The Heavy duty 10000 BTU window air conditioner for indoor spaces up to 450 square feet best for bedrooms or small apartments. The filter removes harmful bacteria and dust while you enjoy cool comfort. Energy Efficiency Ratio (EER): 12.1
• Adjustable fan settings to quickly and powerfully reduce hot temperatures and cool small rooms in 15 minutes or less. 2 way air direction controls will meet your different requirements. Push button remote makes it easy to destroy the heat from the seat of your couch.

Testimonial

"Love the remote control. Window the unit put into isn't real easy to reach the controls so the remote is very beneficial. Makes some noise but not real loud. Cools our 400 square foot room very well. I would recommend." - Heather 

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