It is always difficult when it comes to decide and making final call choosing efficient ac unit, hence we are here today so be sure to check the product reviews that will solve your confusion and save time. Reviews are a great way to find out if the product is right for you and whether it has any design flaws. If there are multiple bad reviews, you may want to look at other products. Negative reviews can tell you a lot about the product, including things you may not have thought to consider. They can tell you about any potential issues with the product. They can also tell you about issues with the manufacturer’s customer service. To help you out, we’ve collected reviews of what we think are the efficient ac unit this year. Before you proceed with anything, read through our thoughts on the top efficient ac unit, as well as an overview of what you need to know when considering your buying
This is the ultimate buyers guide efficient ac unit.
Our Top Picks
8
TOSOT 8,000 BTU Window Air Conditioner - Quiet Operation, Energy Star, and Remote Control- Window...
Check Price On Amazon
Amazon.com
The Best efficient ac unit
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump & Installation Kit
$459.99
in stock
Amazon.com
as of June 21, 2025 8:55 am
Features
- [Energy Efficient Cooling & Heating:]Equipped with a high power compressor and 1 ton heat pump, this AHRI Certified pre-charged ac unit allows you to enjoy the convenience of cooling in summer and warming in winter. Besides, with an innovative inverter technology, the air conditioner changes the power supply frequency without frequently turning the compressor on and off, so as to reduce power consumption and prolong the service life of the equipment.
- [5 Modes for All-Year Comfort:]This 12000 BTU split-system AC unit has 5 working modes for you to choose from: auto, cool, dry, heat and fan mode. In addition, this split air conditioner also comes with 4 available fan speeds (low/medium/high/auto), sleep mode, ECO mode, iFEEL & turbo function to meet various needs.
- [Easy Control & Quiet Operation:]The handy remote control enables you to control this mini split AC unit from your comfortable bed or sofa conveniently. The smart 0.5-24 hour timer and low-noise operation ensure a peaceful sleep time. What's more, the display screen on the remote control will be turned off automatically when there is no operation within 10s, which will not disturb your sleep.
- [Self Cleaning & Auto Defrost:]Designed with a self-cleaning function at high temperature of 134.6℉ and a washable filter, this split air conditioner can automatically clean its interior and keep the air in your home fresh and clean. Moreover, the outdoor unit features an auto-defrost function to avoid damage and improve energy efficiency.
- COSTWAY's superior quality and design are backed by an industry-leading manufacturer's warranty. This warranty covers 5 years of parts replacement and 8 years of compressor coverage, ensuring customers can rely on our products for years to come. In addition to this, the installation of this equipment should be done only by a Licensed HVAC Installer.
GE Window Air Conditioner 5000 BTU, Efficient Cooling For Smaller Areas Like Bedrooms And Guest Rooms, 5K BTU Window AC Unit With Easy Install Kit, White
$289.70
in stock
2 used from $198.77
Free shipping
Amazon.com
as of June 21, 2025 8:55 am
Features
- 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
GE Window Air Conditioner 8000 BTU, Wi-Fi Enabled, Energy-Efficient Cooling for Medium Rooms, 8K BTU Window AC Unit with Easy Install Kit, Control Using Remote or Smartphone App
$365.00
out of stock
1 used from $192.11
Free shipping
Amazon.com
as of June 21, 2025 8:55 am
Features
- GE ENERGY STAR 8000 BTU SMART WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 350 sq ft; easy install kit included so you can start cooling right away.Controller type:Remote Control,Voice Control,App Control
- MAXIMUM COMFORT FOR MEDIUM ROOMS: This AC unit is the right size for delivering quiet, 8000 BTU cooling capacity to medium-sized areas like living rooms and family rooms; Energy Star-certified for lower energy use and utility bills
- 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; or you can use the included remote control
- ECO MODE SAVES ENERGY: When the room is cool enough, Eco Mode automatically turns off the fan and compressor, saving you money on utilities; energy-efficient with 3 cooling modes and 3 fan speeds to provide flexible and optimal room temperature
- EASY INSTALLATION AND CLEANING: This AC has a fixed chassis and installs easily in a double hung window (size: W 24.5 - 36" x H 13.375") with included EZ Mount installation kit; slide-out, washable filter makes cleaning a breeze to keep your unit running its best when cleaned every 30 days
14000 BTU Portable Air Conditioner Floor Standing Quiet AC Unit Energy Efficient with Window Installation Kit, Remote Control for 450 sq.ft. Room, white
out of stock
Amazon.com
as of June 21, 2025 8:55 am
Features
- 【Powerful Portable AC】14,000 BTU provides consistent, fast and effective cooling for rooms up to 450 square feet. In cooling mode, the AC unit can cool a room to a temperature between 62°F and 86°F. Easily switch between the three modes, AUTO, DRY or FAN mode, with the press of a Mode button. Ideal compact air conditioner for dorm rooms, apartments, cabins, campers, offices, bedrooms or living rooms. The 52 db(average) low noise of the product will make you sleep better.
- 【Portable Air Conditioners with Remote Control】 Our indoor air conditioner is intelligent. A sensor chip is installed in the remote control, and the special "I Sense" button design enables our stand up air conditioners to adjust the ambient temperature around the remote control according to the temperature you set, allowing you to set the floor air conditioner directly from the other side of the room without having to get up. Note: The "I Sense" function is not available in FAN or DRY mode.
- 【AC Unit with Self-evaporation System】When this room AC arrives, you will also receive all the basic accessories. Our power saving ac dehumidifier has a water tank and a self-evaporation system that can effectively reduce the drainage operation. NOTE: If the room is too humid, the evaporation rate may be lower than the water generation rate. When the water volume exceeds the limit of the water tank, the product will display the "P1" code and stop working to remind you to drain the water.
- 【Special Designed Air Conditioner Portable】SWING button means that the angle of the air outlet is adjustable; Using TIMER button you can easily switch the unit on and off at regular intervals; In COOL/DRY mode, press the CONSTANT FAN button, the unit will stop cooling when the room reaches the set temperature, but the fan will not stop, which saves energy and the temperature in the room will not rise too fast.
- 【Automated Energy-saving and Power-saving Portable AC】Use the SLEEP(ECO)/FILTER button to automatically adjust the temperature while you sleep, minimizing your chances of catching a chill. Pressing and holding this button for 3 seconds can also cancel the air filter light alert. AUTO mode light means the unit is in automatic switching mode, you can set the temperature range and the unit will decide whether to cool or dehumidify according to the real-time temperature.
Rosewill Portable Air Conditioner 7000 BTU, AC Fan & Dehumidifier 3-in-1 Cool/Fan/Dehumidify w/Remote Control, Quiet Energy Efficient Self Evaporation AC Unit for Single Room Use, RHPA-18001
out of stock
Amazon.com
as of June 21, 2025 8:55 am
Features
- 3 CONVENIENT MODES: Use as an Air Conditioner, Fan and Dehumidifier with built-in continuous drain design and effective cooling for spaces up to 200 square feet. Includes washable dust filters to trap dirt and debris before they build up, improving indoor air quality and AC unit life span.
- 2 SPEEDS & MORE: Adjust between two fan speeds, save energy with Sleep Mode and program times of use or shutoff with the automatic on/off timer up to 24-hours.
- SPACE-SAVING DESIGN: Portable AC unit perfect for single room cooling including bedroom, apartment, college dorm room, garage and more. Move the free standing air conditioner from room-to-room with four easy mobility caster wheels.
- USER-FRIENDLY UNIT: A big LED digital display touch control panel and full-function remote control make this 7000 BTU portable air conditioner easy to use, especially while lounging around or when adjusting settings from a distance.
- SELF-EVAPORATING SYSTEM: This air conditioning unit’s evaporative technology draws moisture out of the room and evaporates it into the outside air, reducing the need to empty a water bucket (except in areas with high humidity).
Haier Window Air Conditioner 5000 BTU, Efficient Cooling for Smaller Areas Like Bedrooms and Guest Rooms, 5K BTU Window AC Unit with Easy Install Kit, White
out of stock
Amazon.com
as of June 21, 2025 8:55 am
Features
- 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
Amazon Basics Window-Mounted Air Conditioner with Mechanical Control - Cools 150 Square Feet, 5000 BTU, AC Unit
$125.93 in stock
Amazon.com
as of June 21, 2025 8:55 am
Features
- EFFICIENT COOLING: 5000 BTU cooling capacity ideal for rooms up to 150 sq. ft. - perfect for bedrooms, home offices, or small living spaces. Two-in-one functionality with cooling and fan-only modes
- SMART MAINTENANCE: Equipped with an easy-access, washable filter that captures dust and allergens.
- CUSTOMIZABLE COMFORT: Features 7 precise temperature settings, 2-speed cooling and fan modes, and 2-way air direction control for personalized comfort
- QUIET OPERATION: Low noise level up to 56 dB creates a peaceful environment suitable for sleeping and working
- QUICK INSTALLATION: Fits standard windows 23"-36" wide and minimum 13" high. Comes with expandable side panels and complete mounting kit. Basic tools required for installation (screwdriver not included)
TOSOT 8,000 BTU Window Air Conditioner - Quiet Operation, Energy Star, and Remote Control- Window Mounting AC Unit Fast Cooling for Spaces up to 350 sq. ft. Tranquility Series
$339.99
out of stock
3 new from $339.99
Free shipping
Amazon.com
as of June 21, 2025 8:55 am
Features
- MORE SILENT: With improved drainage outlet, a max noise output of 42 decibels, it's just as quiet as the local library. You might hear the sound of the fan flinging water onto the internal components to improve efficiency. If the sound is too much, you can remove the upgraded drain plug to reduce the noise.
- EFFICIENT COOLING: Cool your room fast with 8000 BTUs of power. This unit is best for spaces up to 350 sq. ft. like bedrooms, living rooms, dorms, or small apartments.
- ADJUSTABLE AIR VENTS: Our slanted air louvers can be adjusted to blow cool air up to 20 feet away. Heat rises, so adjust the louvers so that cool air blows above your head to quickly cool the entire room.
- SAVES YOU MONEY: An Energy-Star rating makes this Window AC better for the environment and your wallet. With an EER of 12.0, you can expect to pay about $65 per year to operate this Window AC unit.
- EASY INSTALLATION: Most window installations can be completed within 15 minutes of opening the box. All parts, including foam and side panels, are included in the package along with simple instructions for installing this unit for the first time.
Rosewill Portable Air Conditioner 12000 BTU AC Fan Dehumidifier & Heater, 4-in-1 Cool/Fan/Dry/Heat w/Remote Control, Quiet Energy Efficient Self Evaporation Unit for Single Room Use, RHPA-18003
out of stock
Amazon.com
as of June 21, 2025 8:55 am
Features
- 4 Mode Options: Air Conditioner, Fan, Dehumidifier, and Heater with built-in continuous drain design and effective cooling for spaces up to 300 square feet. Washable dust filters trap dirt and debris, improving indoor air quality and unit life span.
- Programable Convenience: Three fan speeds help control temperature and energy costs. Intelligent functions like Sleep Mode, and automatic on/off with programable 24-hour timer, offer utility and ease of use.
- Compact Mobile Design: Designed to save space and fit easily in any room. This unit is perfect for single-room cooling/heating, and the included caster wheels allow for quick, effortless transport.
- Practical Controls: Dual LED digital touch display panels and full-function remote control makes this 12,000 BTU portable unit simple to program and use.
- Self-Evaporating System: There is less need to empty water trays thanks to innovative evaporative technology that draws moisture out of your space to evaporate in the outside air.
GE Profile ClearView Window Air Conditioner 6,100 BTU, WiFi Enabled, Ultra Quiet for Small Rooms, Full Window View with Easy Installation, Energy-Efficient Cooling, 6K Window AC Unit, White
$369.99 in stock
3 new from $369.99
2 used from $361.62
2 used from $361.62
Free shipping
Amazon.com
as of June 21, 2025 8:55 am
Features
- FULL WINDOW VIEW - GE Profile window air conditioner is designed to maintain the full view through the window, letting it open and close freely after you install the unit and allowing more natural light into the room. Fits windows 20"-40" wide, 13" minimum window opening height, 10" minimum height from floor.Controller type:Remote Control,App Control,Voice Control,Touch Control
- ULTRA QUIET OPERATION - This quiet air conditioner reaches sounds as low as 41 dB, underlining GE Profile's rating as the Quietest Window AC Brand in the US; ClearView's operation keeps the air flowing for minimal disruption
- INDUSTRY EXCLUSIVE FLEX-DEPTH - The industry exclusive flex-depth design is an expandable chase-way that accommodates walls between 4.5" and 13.75" thick. The unit comes in the closed chase-way position, and can be expanded based on your windowsill depth.
- BUILT IN WI-FI - Use the SmartHQ app to control and monitor this WiFi enabled smart air conditioner from anywhere, giving you connected peace of mind, while compatibility with your favorite devices like Amazon Alexa and Google Assistant makes everyday use easier and more versatile than ever; or you can use the included remote control
- MAXIMUM COMFORT FOR SMALL ROOMS - Three fan speeds and four cooling modes provide total flexibility with optimal home comfort and air conditioner efficiency; an automatic pump removes water from the indoor tank to the outdoor section where it evaporates or drains out, eliminating the need to drain the unit under most conditions.
The Video Review of Best efficient ac unit
Conclusion
When you’re looking for efficient ac unit, you’ll want to keep a few things in mind. First, decide what you want to use the efficient ac unit for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on efficient ac unit you want to buy efficient ac unit, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.