20 Best Window Air Conditioners [2024]

Are you looking for the best window air conditioners ? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling window air conditioners .

We Recommended:

# Preview Product
1 LG 6,000 BTU Window Conditioner, Cools 250 Sq.Ft. (10' x 25' Room Size), Quiet Operation, Electronic... LG 6,000 BTU Window Conditioner, Cools 250 Sq.Ft. (10' x 25' Room Size), Quiet Operation,...
2 LG 8,000 BTU Smart Window Air Conditioner, Cools up to 350 Sq. Ft, Smartphone and Voice Control... LG 8,000 BTU Smart Window Air Conditioner, Cools up to 350 Sq. Ft, Smartphone and Voice Control...
3 GE Window Air Conditioner 5000 BTU, Efficient Cooling For Smaller Areas Like Bedrooms And Guest... GE Window Air Conditioner 5000 BTU, Efficient Cooling For Smaller Areas Like Bedrooms And Guest...
4 Frigidaire FHWE182WA2 Window Room Air Conditioner, 18,500 BTU with Supplemental Heat, Easy Install... Frigidaire FHWE182WA2 Window Room Air Conditioner, 18,500 BTU with Supplemental Heat, Easy...
5 Midea 5,000 BTU EasyCool Window Air Conditioner and Fan - Cool up to 150 Sq. Ft. with Easy to Use... Midea 5,000 BTU EasyCool Window Air Conditioner and Fan - Cool up to 150 Sq. Ft. with Easy to Use...
6 Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and... Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and...
7 Midea 12,000 BTU U-Shaped Smart Inverter Window Air Conditioner–Cools up to 550 Sq. Ft., Ultra... Midea 12,000 BTU U-Shaped Smart Inverter Window Air Conditioner–Cools up to 550 Sq. Ft., Ultra...
8 Koldfront WAC18001W 18,500 BTU 208/230V Heat/Cool Window Air Conditioner Koldfront WAC18001W 18,500 BTU 208/230V Heat/Cool Window Air Conditioner
9 Koldfront WAC12001W 12,000 BTU 208/230V Heat/Cool Window Air Conditioner Koldfront WAC12001W 12,000 BTU 208/230V Heat/Cool Window Air Conditioner
10 FRIGIDAIRE 12,000 BTU 115V Window-Mounted Compact Air Conditioner with Remote Control, White FRIGIDAIRE 12,000 BTU 115V Window-Mounted Compact Air Conditioner with Remote Control, White
11 LG 9,500 BTU DUAL Inverter Smart Window Air Conditioner, Cools 450 Sq. Ft., Ultra Quiet Operation,... LG 9,500 BTU DUAL Inverter Smart Window Air Conditioner, Cools 450 Sq. Ft., Ultra Quiet...
12 LG LW1216HR 11,500/12,000 230V Window-Mounted Air Conditioner with 9,200/11,200 BTU Supplemental... LG LW1216HR 11,500/12,000 230V Window-Mounted Air Conditioner with 9,200/11,200 BTU Supplemental...
13 10000 BTU Window Air Conditioner Unit AC BLACK+DECKER with Remote Control Cools Up to 450 Square... 10000 BTU Window Air Conditioner Unit AC BLACK+DECKER with Remote Control Cools Up to 450 Square...
14 LG 12,000 BTU Window Air Conditioner, Cools 550 Sq.Ft. (22' x 25' Room Size), Quiet Operation,... LG 12,000 BTU Window Air Conditioner, Cools 550 Sq.Ft. (22' x 25' Room Size), Quiet Operation,...
15 Pro Breeze Smart Air Conditioner Portable 10,000 BTU - 1130W Portable Air Conditioner with 4-in-1... Pro Breeze Smart Air Conditioner Portable 10,000 BTU - 1130W Portable Air Conditioner with 4-in-1...
16 LG 22,000 BTU 230V Dual Inverter Window Air Conditioner with Wi-Fi Control, 22000, White LG 22,000 BTU 230V Dual Inverter Window Air Conditioner with Wi-Fi Control, 22000, White
17 LG 14,000 BTU Dual Inverter Smart Window Air Conditioner, Cools 800 Sq. Ft, Ultra Quiet Operation,... LG 14,000 BTU Dual Inverter Smart Window Air Conditioner, Cools 800 Sq. Ft, Ultra Quiet...
18 LG Mounted 8,000 BTU Window Air Conditioner, Cools 350 Sq.Ft. (14' x 25' Room Size), Quiet... LG Mounted 8,000 BTU Window Air Conditioner, Cools 350 Sq.Ft. (14' x 25' Room Size), Quiet...
19 Keystone 25,000 BTU 230V Window Wall Air Conditioner | Energy Star | Follow Me Remote Control |... Keystone 25,000 BTU 230V Window Wall Air Conditioner | Energy Star | Follow Me Remote Control |...
20 Window Air Conditioner 10000 BTU, Window AC Unit with Digital Display, 3 Fan Speeds, Dehumidifier... Window Air Conditioner 10000 BTU, Window AC Unit with Digital Display, 3 Fan Speeds, Dehumidifier...
SaleBestseller No. 1
LG 6,000 BTU Window Conditioner, Cools 250 Sq.Ft. (10' x 25' Room Size), Quiet Operation, Electronic...
  • LOW NOISE PERFORMANCE: Operates at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.
  • MULTIPLE FAN SPEEDS: 3 cooling and fan speeds allow you to customize your cooling.
  • MAXIMUM USABILITY: Easy to use electronic controls with remote
  • AUTO RESTART: After a power failure, auto restart will automatically turn the unit back on when power is restored
  • COOLS ROOMS UP TO 260 Square Fee: LW6017R is ideal for cooling medium rooms (10' X 25')
SaleBestseller No. 2
LG 8,000 BTU Smart Window Air Conditioner, Cools up to 350 Sq. Ft, Smartphone and Voice Control...
  • CONTROL YOUR COOL FROM ANYWHERE - LG ThinQ Technology lets you control your LG air conditioner from anywhere. You can start or stop cooling, change...
  • LOW NOISE PERFORMANCE - LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.
  • ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate...
  • MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling.
  • COOLS ROOMS UP TO 350 SQ. FT.- LW8017ERSM is ideal for cooling medium rooms (10' X 35")
Bestseller No. 3
GE Window Air Conditioner 5000 BTU, Efficient Cooling For Smaller Areas Like Bedrooms And Guest...
  • GE 5000 BTU MECHANICAL WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 150 sq ft; easy install kit included so you can start cooling...
  • BEST FOR SMALL ROOMS: This AC unit is the right size for delivering 5000 BTU cooling capacity to smaller areas like bedrooms, studio apartments, guest...
  • LOW-NOISE OPERATION - Keep the cool air flowing with minimal disruption; ideal for nighttime use in bedrooms
  • MAXIMUM COMFORT: Efficient with 2 cooling modes and 2 fan speeds to provide flexible and optimal room temperature; controls with 10 temperature...
  • EASY INSTALLATION AND CLEANING: This AC has a fixed chassis and installs easily in a double hung window (size: W 21.875 - 36 x H 13.375") with...
SaleBestseller No. 4
Frigidaire FHWE182WA2 Window Room Air Conditioner, 18,500 BTU with Supplemental Heat, Easy Install...
  • Note: The 18,000 BTU’s mentioned on the package is the industry standard which is nothing but Class/Size of room air conditioners. Thus, the 18,500...
  • Easy Installation: Easily install this air conditioner; this unit distributes the weight into two pieces using a slide-out chassis.Use Year-Round with...
  • Easy-to-Clean Washable Filter: Capture dust from the air and keep your air conditioner working efficiently with our easy-to-clean washable filter. The...
  • Eco Mode: Keep your room cool and comfortable; this unit turns on and off at different intervals to ensure that the room stays at the set temperature
  • Programmable Timer: Customize times to fit your schedule for immediate comfort when you get home by presetting the unit to turn on and off in half...
Bestseller No. 5
Midea 5,000 BTU EasyCool Window Air Conditioner and Fan - Cool up to 150 Sq. Ft. with Easy to Use...
  • PERFECT FOR SMALLER ROOMS - Midea's Affordable Window AC unit is perfect to help your room be as comfortable as possible. It can cool 150 sq. ft. with...
  • ENERGY EFFICIENT- Midea's 5,000 BTU window air conditioner has a Combined Energy Efficiency Rate (CEER) of 11.0 which helps reduce the energy costs to...
  • QUIET & EASY TO USE - This window AC unit is quieter than a household refrigerator. It also features easy-to-use mechanical controls to quickly set...
  • EASY INSTALLATION - Easily install in your home or apartment's existing window frame. Suitable for windows 23''-36'' wide and minimum 13'' high. All...
  • WARRANTY: 1 Year Parts & Labor Warranty comes with each Midea product to ensure the quality of our brand to our customers. Our team is happy to help...
Bestseller No. 6
Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and...
  • Effortless Temperature Control: Our air conditioners maintain the preset room temperature, so you will remain comfortable at all times.Controller...
  • Easy-to-Clean Washable Filter: Capture dust from the air and keep your dehumidifier working efficiently with our easy-to-clean washable filter
  • SpaceWise Adjustable Design Optional Side Panels: With the Adjustable Side Panels, the side panels will extend to best fit your window
  • Power Cord: Comes with an extra long three-prong cord — makes extension cords unnecessary
  • Effortless Restart: Automatically resumes operating at its previous settings when power is restored to your unit
Bestseller No. 7
Midea 12,000 BTU U-Shaped Smart Inverter Window Air Conditioner–Cools up to 550 Sq. Ft., Ultra...
  • ULTRA QUIET - The Midea U Smart Inverter AC unit is 9 times quieter than traditional units. The U-shape design uses your window to blocks noise...
  • MORE THAN 35% ENERGY SAVINGS - With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units,...
  • FLEXIBLE WINDOW OPENING - Midea U-shaped design allows your window to open, bringing fresh air into your home anytime and allowing you to maintain...
  • SMART CONTROL - The Midea U Smart Inverter Air Conditioner is Wi-Fi enabled and can be controlled from anywhere through the cloud using the MideaAir...
  • ROBUST INSTALLATION - Install the included quick-snap bracket, set the unit on the bracket, and secure the sidearms. After that, you are all done and...
SaleBestseller No. 8
Koldfront WAC18001W 18,500 BTU 208/230V Heat/Cool Window Air Conditioner
  • 18500 BTU cooling 7.7A; 16000 BTU heating 20.0A; Input voltage: 208/230 V/60 Hz
  • 700- 1,000 sq. ft. coverage area; remote control included; Installation hardware and weather seals included; 4-way air directional louvers
  • 2 year warranty; energy saver mode; EER 10.7; 4 operation modes; Window Width: 31" to 42"; Window Minimum Height: 19.5
  • Please note: This model requires a 30 Amp 230 Volt breaker to function properly.
  • PLEASE NOTE: Delivery will be curbside, inside delivery is not available. A valid phone number is required for delivery purposes, please ensure the...
Bestseller No. 9
Koldfront WAC12001W 12,000 BTU 208/230V Heat/Cool Window Air Conditioner
  • 12,000 BTU 1100W/5.0A cooling; 11,000 BTU 3500W/16.0A heating functionality
  • 450- 550 sq. ft. coverage area; Remote control included; 4 operation modes; Installation hardware and weather seals included; 4-way air directional...
  • Please note: Special 230V electrical outlet required (unit will not work with a standard 115V outlet)
  • For a cool only version of this unit see model # WAC12002WCO; energy saver mode; EER 10.9;
  • Window Width: 26 7/8" to 36"; Window Minimum Height: 16"; Input voltage: 208/230 V/60 Hz; PLEASE NOTE: This window air conditioner does not require a...
SaleBestseller No. 10
FRIGIDAIRE 12,000 BTU 115V Window-Mounted Compact Air Conditioner with Remote Control, White
  • 12, 000 BTU compact air conditioner for window-mounted installation uses standard 115V electrical outlet
  • Quickly cools a room up to 550 sq. ft. with dehumidification up to 3. 8 pints per hour
  • Low power start-up conserves energy and saves you money
  • Ready-select electronic controls allow you to easily select options with the touch of a button
  • Washable mesh filter with tilt-out filter access and check filter alert cleans the air removing dust and other airborne particles
Bestseller No. 11
LG 9,500 BTU DUAL Inverter Smart Window Air Conditioner, Cools 450 Sq. Ft., Ultra Quiet Operation,...
  • ULTRA QUIET OPERATION - Revolutionary DUAL Inverter technology gives powerful yet silent performance, operating at sound levels as low as 44dB in...
  • 25% MORE ENERGY EFFICIENT - The DUAL Inverter Compressors are up to 25% more energy efficient than the ENERGY STAR certification requirement, saving...
  • SMART PHONE CONTROL - LG ThinQ App lets you control your air conditioner from anywhere using your smartphone, Google Assistant or Amazon Alexa.
  • MULTIPLE FAN SPEEDS - 4 cooling and fan speeds with Auto Cool allows you to customize your cooling.
  • COOLS ROOMS UP TO 450 SQ. FT. - LW1019IVSM is ideal for cooling medium rooms (15 'X 30').
SaleBestseller No. 12
LG LW1216HR 11,500/12,000 230V Window-Mounted Air Conditioner with 9,200/11,200 BTU Supplemental...
  • Energy efficiency Ratio (EER): 11.3 (cooling)
  • Special 230V electrical outlet required (unit will not work with a standard 115V outlet)
  • 12,000 BTU cooling for rooms up to 550 sq. Ft
  • 11,200 BTU heating for Approx. 450 sq. Ft
  • 2 cooling speeds/2 heating speeds/2 fan speeds
SaleBestseller No. 13
10000 BTU Window Air Conditioner Unit AC BLACK+DECKER with Remote Control Cools Up to 450 Square...
  • KEEPS ROOM COOL: This 10,000 BTU small window air conditioner unit will keep your home cool and comfortable even in the dog days of summer. No matter...
  • IDEAL FOR BEDROOM & OTHER SMALL ROOMS: Our 10000 BTU AC unit (19.76" x 21.5" x 15.16") offers consistent, quick and highly effective cooling for rooms...
  • FEATURES AUTO MODES & REMOTE CONTROL: The simple remote control & digital LED display panel with 24-hour timer programming allow you to precisely...
  • EASY INSTALLATION, EASY TO CLEAN: Simply attach the top rail using a screwdriver & follow the directions to ensure the AC unit window fits through...
  • ENERGY EFFICIENT: This window AC uses R32 refrigerant (13.4 ounces), which has zero impact on the ozone layer and improves energy efficiency by up to...
SaleBestseller No. 14
LG 12,000 BTU Window Air Conditioner, Cools 550 Sq.Ft. (22' x 25' Room Size), Quiet Operation,...
  • LOW NOISE PERFORMANCE - operates at sound levels as low as 53dB (in low mode) eliminating unnecessary noise.
  • ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate...
  • MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling. Air Filter: Washable
  • MAXIMUM USABILITY - Easy to use electronic controls with remote
  • COOLS ROOMS UP TO 550 SQ. FT.- LW1216ER is ideal for cooling medium rooms (22' X 25')
SaleBestseller No. 15
Pro Breeze Smart Air Conditioner Portable 10,000 BTU - 1130W Portable Air Conditioner with 4-in-1...
  • Ultra Powerful Cooling: The Pro Breeze air conditioner has a mighty 10,000 BTU cooling capacity which provides cooling down to 61°F across 300 sq ft,...
  • Smart Home Wi-Fi Control: Our wifi air conditioner is compatible with Amazon Alexa and Google Home for iPhone and Android. Connect your smartphone to...
  • Super Efficient: This portable AC unit for bedroom boasts a 6.6 CEER Energy Efficiency rating to ensure that blowing cold air in the sweltering summer...
  • 4-in-1 Functionality: This portable ac air conditioner unit features 4 multi-purpose operating modes including air cooling, dehumidifying, fan only...
  • Window Kits Included: Our 10,000 BTU window air conditioner has included two easy-to-install window venting kits. Use our step by step instructions to...
Bestseller No. 16
LG 22,000 BTU 230V Dual Inverter Window Air Conditioner with Wi-Fi Control, 22000, White
  • SMART PHONE CONTROL - LG ThinQ App lets you control your air conditioner from anywhere using your smartphone, Google Assistant or Amazon Alexa.
  • LOW NOISE PERFORMANCE - LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.
  • ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate...
  • MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling.
  • COOLS ROOMS UP TO 1300 SQ. FT- LW2217IVSM is ideal for cooling medium rooms.
Bestseller No. 17
LG 14,000 BTU Dual Inverter Smart Window Air Conditioner, Cools 800 Sq. Ft, Ultra Quiet Operation,...
  • ULTRA QUIET OPERATION - Revolutionary DUAL Inverter technology gives powerful yet silent performance, operating at sound levels as low as 44dB in...
  • 25% MORE ENERGY EFFICIENT - DUAL Inverter technology is up to 25% more energy efficient than the ENERGY STAR certification requirement, saving you...
  • CONTROL YOUR COOL FROM ANYWHERE - LG ThinQ Technology lets you control your LG air conditioner from anywhere. You can start or stop cooling, change...
  • MULTIPLE FAN SPEEDS - 4 cooling and fan speeds with Auto Cool allow you to customize your cooling.
  • COOLS ROOMS UP TO 800 SQ. FT.- LW1517IVSM is ideal for cooling large rooms (20' X 40').
SaleBestseller No. 18
LG Mounted 8,000 BTU Window Air Conditioner, Cools 350 Sq.Ft. (14' x 25' Room Size), Quiet...
  • LOW NOISE PERFORMANCE: Operates at sound levels as low as 53dB (in low mode) eliminating unnecessary noise
  • ENERGY STAR CERTIFIED: This air conditioner has met the high standards of the energy star program using energy-efficient technologies that translate...
  • MULTIPLE FAN SPEEDS: 3 cooling and fan speeds with auto cool allow you to customize your cooling.
  • MAXIMUM USABILITY: Easy to use electronic controls with remote
  • COOLS ROOMS UP TO 350 Square Feet: LW8016ER is ideal for cooling medium rooms (14' X 25')
Bestseller No. 19
Keystone 25,000 BTU 230V Window Wall Air Conditioner | Energy Star | Follow Me Remote Control |...
  • QUICK TO COOL: The 25,000 BTU air conditioner for window-mounted installation is what you need to efficiently cool your apartment, bedroom, living...
  • FUNCTIONALITY: Cools a room up to 1,500 sq. ft. with dehumidification up to 5.7 pints per hour.
  • TEMPERATURE SENSING “FOLLOW ME” REMOTE CONTROL: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The...
  • ENERGY STAR RATED COOLING: Energy Star efficiency saves you money on your electric bill (12.1 EER).
  • Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet).
Bestseller No. 20
Window Air Conditioner 10000 BTU, Window AC Unit with Digital Display, 3 Fan Speeds, Dehumidifier...
  • Stronger & Quicker Cooling: 10000 BTU window air conditioner is powerful enough to cool a room up to 460sq.ft in minutes, such as living room, dining...
  • Extremely Low Noise: Unlike other window AC units, our air conditioner uses 2 independent motors, for an optimal balance between high performance and...
  • 3-in-1 Functionality: Window-mounted AC disperses cooling comfort, dehumidifier mode removes excess moisture (up to 2.6 pints per hour), and has 3 fan...
  • Energy Efficient: The air conditioner is proven energy conservation and lower running cost, save money while you keep cool
  • Easy Installation: Built to fit a wide range of window sizes (sliding up and down) from 24" to 40" wide with a minimum height of 18+1/16"(18.06");...

Having trouble finding a great window air conditioners ?

This problem is well understood by us because we have gone through the entire window air conditioners research process ourselves, which is why we have put together a comprehensive list of the best window air conditioners s available in the market today.

After hours of searching and using all the models on the market, we have found the best window air conditioners for 2023. See our ranking below!

How Do You Buy The Best Window Air Conditioners ?

Do you get stressed out thinking about shopping for a great window air conditioners ? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching window air conditioners , which is why we have assembled a comprehensive list of the greatest window air conditioners available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for window air conditioners that you consider buying. Your questions might include the following:

  • Is it worth buying an window air conditioners ?
  • What benefits are there with buying an window air conditioners ?
  • What factors deserve consideration when shopping for an effective window air conditioners ?
  • Why is it crucial to invest in any window air conditioners , much less the best one?
  • Which window air conditioners are good in the current market?
  • Where can you find information like this about window air conditioners ?

We’re convinced that you likely have far more questions than just these regarding window air conditioners , and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for window air conditioners , rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible window air conditioners . Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an window air conditioners buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available window air conditioners currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of window air conditioners has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an window air conditioners ?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your window air conditioners .
  5. Customer Ratings: Number ratings grade window air conditioners objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their window air conditioners .
  7. Product Quality: You don’t always get what you pay for with an window air conditioners , sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an window air conditioners is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining window air conditioners information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding window air conditioners is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: What are the top rated window air conditioners?

A: Btu: 8,000 Recommended room size: 250 square feet Window opening requirements: 13-⅜inches vertical and 26-1/16 to 39-¼ inches wide CEER: 12.1 Energy Star-certified: Yes Warranty: 1 year Smart connectivity: No Extras: Dehumidifying,fan,remote control,foam seals,side curtain insulation,window security brackets,delay on/off,clean filter indicator

Q: What is the highest rated window air conditioner?

A: Top 6 Rated Best Window Air Conditioners Reviews. 1. Frigidaire FFRA0511R1E: Best Window Mini Air Conditioner. Taking into consideration price effect, Frigidaire FFRA0511R1E 5 one of the best offers we saw and it sold on amazon at $134+. The design is compact for mini-window mounting and uses standard electrical socket 115V.

Q: How to choose the best window air conditioner?

A: Determine whether your window is compatible with one. … Ensure the window you’re using is near a three-prong outlet. … Remove any obstructions in the opening that could interfere with the A/C,such as a screen or storm window frame. Figure out how much extra insulation and rain protection you’ll need to add around the window. …

Q: What is the best energy efficient window air conditioner?

A: Best for Small Spaces: Frigidaire White Energy Star 5,000 BTU Best Affordable Option: Cool-Living 5,000 BTU Best for Sliding Windows: Frigidaire 8,000 BTU 115V Slider Best for No Noise: Midea U Inverter 8,000 BTU Best for Low-Profile Windows: LG Smart Window Air Conditioner 8,000 BTU Best With Heat: Koldfront WAC8001W 8,000 BTU

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