Are you trying to find efficient window air conditioner among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling efficient window air conditioner on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 22 hours of research and did 31 efficient window air conditioner tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best efficient window air conditioner you can buy today
- GE 5100 BTU MECHANICAL WINDOW AIR CONDITIONER: Designed to efficiently cool rooms up to 150 sq ft; easy install kit included so you can start cooling right away
- BEST FOR SMALL ROOMS: This AC unit is the right size for delivering 5100 BTU cooling capacity to smaller areas like bedrooms, studio apartments, guest rooms, and home offices
- 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 settings make it easy to adjust cooling to your comfort
- EASY INSTALLATION: This AC has a fixed chassis and installs easily in a double hung window (size: W 21.875 - 36 x H 13.375") with included EZ Mount installation kit
- EASY CLEANING: This AC has a removable filter that can be easily removed for cleaning, so you can keep your unit performing at its best. For best results clean filter every 30 days
- ULTRA QUIET - The U-shape design of Midea U Smart Inverter AC uses your window to block noise outside. The highly-efficient inverter system warrants ultra-low noise and vibration, 9x quieter than traditional units with operation as low as 32 dBA.Cooling Watts : 890W. Rated Cooling Amps (AHAM) : 9.97.Control Type : Electronic. Refrigerant : R32.
- MORE THAN 35% ENERGY SAVINGS - With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units. It is the first window AC to obtain the ENERGY STAR Most Efficient Certification.
- SMART CONTROL - Midea U Smart Inverter AC is Wi-Fi enabled and can be controlled from anywhere using the SmartHome app on iOS or Android. You can also use voice commands throughout your house, office, or apartment using Alexa or Google Assistant devices.
- FLEXIBLE WINDOW OPENING - The U-shaped design allows your window to open, bringing fresh air into your home and maintaining more of your view when the unit is installed. When the window is closed, the Anti-Theft Mechanism locks the window for added safety.
- ROBUST INSTALLATION - Install the included quick-snap bracket, set the unit on the bracket, and secure the sidearms. Then you are all done and ready to enjoy. Available for single-hung or double-hung windows with width 22"-36", minimal height at 13.75".
- Energy Saver Mode: Use less energy than standard air conditioners reducing your energy usage with Energy Saver Mode
- 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
- Programmable 24-Hour On/Off Timer: Customize times to fit your schedule for immediate comfort when you get home. The built in timer allows you to preset the unit to turn on and off in half hour increments
- Effortless Temperature Control: Our air conditioners maintain the preset room temperature, so you will remain comfortable at all times
- Remote Control: Allows you to precisely control the temperature and fan speed from across the room
- Easy-to-Clean Washable Filter: Capture dust from the air and keep your dehumidifier working efficiently with our easy-to-clean washable filter
- Effortless Restart: Automatically resumes operating at its previous settings when power is restored to your unit
- Compatible with our mounting bracket (B0872XNZP3) and side panel (B0872Y4MCL). These accessories are sold separately
- 3 IN 1 COMFORT - The Midea EasyCool Window Air Conditioner unit has three modes to help your house, apartment, office, or room be as comfortable as possible. It can cool a space up to 250 sq. ft. quickly, circulate air with its 3-speed fan, or reduce humidity utilizing the dehumidifier mode.Controller type:Remote Control.Air Flow efficiency:168.82 CFM.Core material : Copper..Frequency : 60 hz
- ENERGY EFFICIENT - The EasyCool window air conditioner is Energy Star certified to help save you money throughout the year. There are also multiple custom settings to help you be even more energy-efficient like Eco mode and an EasyTimer feature to program a schedule that fits your needs.
- QUIET & EASY TO USE - This window AC unit is quieter than a household refrigerator. The intuitive LED display and remote control (batteries included) allow easy setting of time, temperature, and mode from across the room. The removable and reusable air filter protects your family and living space from dust and pet hairs.
- EASY INSTALLATION - Install easily in your home or apartment's existing window frame (23"-36"x14"). All mounting accessories are included. A screwdriver is required (but not included) for installation. For some window frames, pilot holes are recommended before installing screws. Installation instructions are simple and setting it up is a breeze.
- WORLDWIDE LEADER - Midea is the world’s #1 air treatment brand with a motto to help make customers feel at home with each of their products. As a testament to our dedication to quality and our customers, we offer one-year parts and labor warranty on this product.
- Effortless Temperature Control: Our air conditioners maintain the preset room temperature, so you will remain comfortable at all times.Controller type:Button Control.Air Flow efficiency:136 CFM.Core material : Aluminium Alloy..Plug Type : LCDI 5-15P. Refrigerant Type : R-32.
- 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
- Compatible with our mounting bracket (B0872XNZP3) and side panel (B0872Y4MCL). These accessories are sold separately
- The air conditioner is designed to install in standard double hung windows with opening widths of 24 to 36 inches (610 mm to 914 mm
- Heat Pump Window Unit 115v: This window ac with heat has cooling power, supplemental heating power, and dehumidifies in rooms up to 350 square feet; Supplemental Heating mode is meant to be operated when temperatures outside are between 41 and 75 degrees; Mode is supplemental and NOT meant as primary heat source
- Inverter Technology: Eliminates wasted operation in the ac heater combo window unit by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature
- Quieter Operation: The inverter technology not only makes the window air conditioner with heat more energy efficient, but allows it to operate 24% quieter on low and 6% quieter on high than regular room air conditioners
- Easy to Install: The ac and heater window unit fits in windows 14.5-in. tall with a minimum of 24-in. wide and maximum 38.5-in. wide
- Washable Filter: A clean filter alert notifies you to clean the unit's washable filter to ensure it keeps running efficiently
- PERFECT FOR SMALLER ROOMS - Senville's Affordable Window AC unit is the perfect companion to any room. It can cool 150 sq. ft. with 7 temperature settings, 2 cooling/2 fan-only speeds, and 2-way air direction to give you the perfect amount of cooling every time.
- ENERGY EFFICIENT- Senville's 5,000 BTU window air conditioner has a Combined Energy Efficiency Rate (CEER) of 11.0 which helps reduce the energy costs to save you money throughout the year.
- EASY INSTALLATION - Easily install in your home or apartment's existing window frame. Suitable for windows 23''-36'' wide and minimum 13'' high. All mounting accessories are included. A screwdriver is required (but not included) for installation. For some window frames, pilot holes are recommended before installing screws. Please see included instruction manual for further detail.
- WARRANTY: 1 Year Parts & Labor Warranty comes with each Senville product to ensure the quality of our brand to our customers. Our team offers technical support and assistance.
- HAIER 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 right away. Cooling-455 Watts
- 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 rooms, and home offices
- LOW-NOISE OPERATION keeps 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 settings make it easy to adjust cooling to your comfort
- 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 included EZ Mount installation kit; slide-out filter makes cleaning a breeze to keeps your unit running its best when cleaned every 30 days
- ❄ QUICK COOLING: Suitable for compact rooms up to 150 square feet for fast and comfortable temperature control in hot summer days.
- ❄ EASY TO ASSEMBLE: Easy assembly with a window installation kit, adjustable side panels, and expandable to fit standard windows for convenient installation, storage, and transportation.
- ❄ EASY OPERATION: Easy-to-use knob with 7 temperature settings, dual cooling and fan settings, and adjustable air direction for optimal comfort control.
- ❄ ENERGY-EFFICIENT AND QUIET: Adopting high-quality compressor, the noise level is as low as 50 decibels, providing a comfortable indoor environment while saving energy and reducing noise disturbance.
- ❄ WARRANTY & GUARANTEE: (1) 30 days Unreasonable Return; (2) 12 Months Free Maintenance; (3) Parts Replacement; (4) Technology Supports: Your doubts and questions will be responded to within 24 hours.
- ULTRA QUIET - This quiet air conditioner reaches sounds as low as 40 dB, underlining GE Profile's rating as the Quietest Window AC Brand in the US. The ultra quiet operation keeps the air flowing with minimal disruption.Controller type:Voice Control
- SMART, EASY OPERATION: Integration with the SmartHQ app allows you to monitor, schedule, and control your smart AC unit from anywhere, while compatibility with your favorite devices like Amazon Alexa and Google Assistant makes everyday use easier and more versatile than ever.
- MAXIMUM COMFORT FOR SMALL ROOMS: Three fan speeds and four cooling modes provide total flexibility with optimal home comfort and air conditioner efficiency; or set to Eco Mode which automatically turns off the fan and compressor, saving you money on utilities.
- DRY MODE DEHUMIDIFY: This 3-in-1 unit includes dehum mode, which is a built-in air conditioner humidity setting that balances humidity levels in the room to maintain your comfort and make it easy to breathe.
- GE PROFILE 6200 BTU SMART WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 250 sq ft; easy installation kit and remote control included so you can start cooling right away
- Efficient Cooling: Up to 350 sq. ft. cool and comfortable with 8000 BTU air conditioner window unit that quickly cools down small/medium rooms.
- Versatile Use: Get the most out of your air conditioning with our multifunctional window AC. With 3 modes - COOL, DRY, FAN, ECO, AUTO, SLEEP - and additional features such as the 0.5~24 hr timer, you can create the perfect indoor environment with ease.
- Remote Control: Keep your room at the perfect temperature with our energy-efficient Window AC. With four levels of operation and a range of 61˚F~88˚F, you'll always have optimal indoor relief. Plus, our full-function remote control and adjustable thermostat make temperature control a breeze.
- Effortless Installation: Our Window AC is designed to fit perfectly into your window, with adjustable side panels that minimize air leaks and ensure cool air stays in the room. Measuring 18.5" long x 13.5" high x 15.5" deep, it's ideal for windows between 23 - 36 inches wide and at least 14.5 inches high.
- Quiet operation: Relax with ultra-quiet operation that provides a low noise level of 53-58 dB, creating a soft white noise perfect for watching TV, reading or sleeping.
- Energy Saving: Choose our energy-efficient window AC, which uses R32 refrigerant that has zero impact on the ozone layer and improves energy efficiency by up to 10%, reducing the amount of refrigerant needed and extending the unit's life.
- Filter Check Reminder: After 500 hours of operation, a light illuminates on the control panel to remind you to clean the filter periodically to maintain optimal cooling.
- KEEPS ROOM COOL: This 5,000 BTU small window air conditioner unit will keep your home cool and comfortable even in the hot days of summer. No matter the weather outside, this superior window unit AC runs at two levels: low and high to ensure optimal indoor relief.
- IDEAL FOR BEDROOM & OTHER SMALL ROOMS: Our 5000 BTU AC unit offers consistent, quick and highly effective cooling for rooms up to 150 square feet. Perfect for bedrooms, offices, playrooms, cabins, living rooms and apartments. Includes two fan-only speeds. With a weight of 35. lbs, this air conditioner fits snugly into windows with easy installation & mounting hardware.
- ENERGY EFFICIENT: This window AC uses R32 refrigerant (.175 ounces), which has zero impact on the ozone layer and improves energy efficiency by up to 10% compared with R-410A. Because R32 is more efficient than R-410A, less refrigerant is needed, increasing the life of the 5k BTU window air conditioner. Great for a cool day at home and great for the environment. 56-decibel sound rating.
- EASY INSTALLATION, EASY TO CLEAN: Simply attach the top rail using a screwdriver & follow the directions to ensure the AC unit window fits through your double hung window. Cleaning window unit has never been easier with removable, washable nylon filter. Just slide/ lift out the filter out when the automatic filter check light is active, rinse it thoroughly under running water, put it back, and enjoy clean, cool and fresh air. 70.8” power cord length.
- COMPACT & EFFECIENT: This 15.98" x 13.19" x 12.05" window AC unit fits snugly into standard double hung windows make this 5000 BTU window unit a breeze. Enjoy refreshingly cool air so you can live in real comfort.
- Multiple Fan Speeds: This powerful 10,000 BTU window ac unit features 3 cooling and fan speeds with Auto Cool, which allows you to customize your cooling and air flow; Other user friendly features include a 24 hour on/off timer and 4-way air deflection
- Control Your Cool from Anywhere: LG ThinQ Technology lets you control your LG air conditioner from anywhere; You can start or stop cooling, change the mode, or set the temperature while on the go; It also works with Alexa and Hey Google so you can change settings with simple voice commands
- Low Noise Performance: LG window air conditioners operate at sound levels as low as 53dB (in low mode), eliminating unnecessary noise; Get a good night's sleep and work without distraction with this window unit
- Auto Restart Function: After a power failure, Auto Restart will automatically turn the window air conditioner back on when power is restored
- Cools Rooms up to 450 Square Feet: LW1017ERSM1 is ideal for cooling medium rooms (15' X 30')
- Ultra-Quiet Air Conditioner Window Unit For A More Comfortable Home: Curved edges and clean lines make The Windmill AC beautiful inside and out. An auto-dimming LED display and WhisperTech, which is 9X quieter than legacy, non-inverter window ac units, help you sleep more comfortably. This 8000 BTU window air conditioner is also more efficient and quietly cools spaces up to 350 sq ft.
- The Easiest Room Air Conditioner Installation Kit: A pre-assembled install kit has Windmill's window air conditioners ready to go right out of the box. Also included is a simple-to-follow install guide so you can enjoy ultra-quiet comfort almost immediately.
- Efficient Cooling: Central air-like airflow comes out at a perfect 45-degree angle. Top vents blow air up and out in the room, not in your face. Windmill's quiet window air conditioner provides the perfect angle for better airflow and uses R32, a refrigerant 68 percent less detrimental to the environment than what's commonly used.
- Control Your Small Room Air Conditioner Anywhere, Anytime: Integrate The Windmill AC into any smart home, and control from your smartphone for easier access. Its top-rated app lets you turn it on before you get home on a blazing hot day and shut it off remotely in case you forgot. You can also use your voice to control this smart AC window unit using any voice assistance device.
- 60 Years of AC Expertise: Windmill believes in beautiful, simple technology, better urban living, good quality air, and offering the support you deserve. Combining a fresh, modern perspective with 60 years of AC expertise led to building a smart window air conditioner with today’s needs in mind.
- Smart Phone Control: The LG ThinQ App lets you control your air conditioner window unit from anywhere using your smartphone, Google Assistant or Amazon Alexa; This window air conditioner allows you to start or stop cooling, change the mode, or set the temperature while on the go
- Low Noise Performance: LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise; Work without distraction and get a good night's sleep with this ac window unit
- Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling; Effortlessly adjust the window unit ac air flow to suit your needs
- Auto Restart: After a power failure, the Auto Restart function will automatically turn the window unit back on when power is restored
- Cools Rooms up to 350 Square Feet: LW8017ERSM1 is ideal for cooling medium rooms (10' X 35'); With 350 square feet cooling coverage, keep your bedroom or office comfortably cool with this window ac unit
- Window Air Conditioner with Low Noise Performance: This ac window unit operates at sound levels as low as 53dB (in low mode) eliminating unnecessary noise; Work without distraction and get a good night's sleep with this quiet window unit
- Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling; Effortlessly adjust the ac window unit air flow to suit your needs
- Maximum Usability: This window unit ac includes an easy to use digital control panel and remote control; 4-way air deflection gives you ultimate flexibility; Filter light reminder, window installation kit, and a slide-out, washable filter are included for your convenience
- AC Window Unit with Timer: Create your own cooling schedule to save on energy costs with the convenient 24 hour on/off timer
- Cools Rooms up to 550 Square Feet: LW1216ER is ideal for cooling medium rooms (22' X 25'); With the 550 square feet cooling coverage, keep your kitchen, living room, bedroom, or office comfortably cool
- Control Your Cool From Anywhere: LG ThinQ Technology lets you control your LG air conditioner from anywhere; You can start or stop cooling, change the mode, or set the temperature while on the go; It also works with Amazon Alexa and Hey Google so you can change settings with simple voice commands
- Low Noise Performance: LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise
- Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling
- Auto Restart: After a power failure, Auto Restart will automatically turn the unit back on when power is restored
- Cools Rooms up to 700 Square Feet: LW1521ERSM1 is ideal for cooling large rooms (20' X 35')
How to choose a good efficient window air conditioner
Does the idea of finding a fantastic efficient window air conditioner make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in efficient window air conditioner. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top efficient window air conditioner products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top efficient window air conditioner on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top efficient window air conditioner brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top efficient window air conditioner based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the efficient window air conditioner were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good efficient window air conditioner, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your efficient window air conditioner.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting efficient window air conditioner for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our efficient window air conditioner. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what efficient window air conditioner should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on efficient window air conditioner.
