10 Best Energy Efficient Air Conditioner: Top Choices

GE ENERGY STAR 10000 BTU SMART WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 450 sq ft; easy install kit included so you can start cooling right away

MAXIMUM COMFORT FOR MEDIUM ROOMS – This AC unit is the right size for delivering quiet, 10000 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 25 - 36.625" x H 14.563") 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

[ENERGY EFFICIENT COOLING] This 12,000 BTU/h, 20 SEER, 115V, 8 HSPF, AHRI Certified pre-charged air conditioner and heater unit features a ductless mini split inverter plus system with a heat pump and dehumidification.

[AUTOMATIC SYSTEM] This air conditioner is designed with several smart settings that make it easy to use: auto defrost, self-diagnosis/cleaning, I feel mode, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds and intelligent compressor pre-heating.

[SMART SENSOR] The unit will sense room temperature at the remote control, instead of at the indoor unit during cooling mode. It then adjusts airflow and temperature accordingly, resuling in the ultimate in personal comfort control and energy savings.

[QUIET OPERATION] This air conditioner is ultra silent at only 30-41 dBa. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes.

[AMPLE COVERAGE] This unit provides cooling and heating for up to 750 square feet and is able to work in environments as low as -4 degrees Fahrenheit. Full installation kit included.

ULTRA QUIET OPERATION - Revolutionary DUAL Inverter technology gives powerful yet silent performance, operating at sound levels as low as 44dB in sleep mode.

15% MORE ENERGY EFFICIENT - DUAL Inverter technology is up to 15% more energy efficient than the ENERGY STAR certification requirement, saving you energy and money.

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.

MULTIPLE FAN SPEEDS - 4 cooling and fan speeds with Auto Cool allow you to customize your cooling.

COOLS ROOMS UP TO 450 SQ. FT. - LW1019IVSM is ideal for cooling medium rooms (15 'X 30'). Dry Air Flow (CFM)-215

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')

3-IN-1 FUNCTIONALITY - Midea's 3-in-1 technology combines air conditioning, dehumidification, and fan-only modes that work together to increase the comfort of your home

FAST COOLING – This 6,000 BTU model provides fast and efficient cooling and dehumidification ideal for rooms up to 250 square feet. Cools down your home, office or apartment for maximum comfort. Fan Speeds: 3 Speeds

INNOVATIVE FEATURES – An intuitive design remote control and a LED digital display panel will make it easy to change all the settings from across the room.

EASY INSTALLATION - This window unit installs easily without significant modification to the existing window frame (23-36" x 15.5"). All mounting accessories (23-36" x 14 ") 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

WORLDWIDE - Midea is the world’s largest provider of air conditioning products. As a testament to our dedication to quality, we offer a one year parts and labor on this product

In the event of power loss, AC automatically restarts with the latest temperature settings.

LED remote lets you program your unit and access unique modes like EcoSave and SleepWell.

QUIET & POWERFUL - Our 5,950 BTU DOE (12,000 BTU ASHRAE) compact air conditioner (17.1 x 13.8 x 28.1 in,) will keep you cool and comfortable all summer. An adjustable fan speed cools the air to 65°F at the coolest setting. Sleep mode makes it extra quiet while you rest, Auto Water Evaporation

PERFECT FOR SMALL ROOMS - This floor-standing portable AC unit provides steady, fast, effective cooling for rooms up to 300 sq. ft. It’s the ideal small air conditioner for dorms, apartments, cabins, campers, offices, bedrooms, or living rooms

SIMPLE & QUICK TO INSTALL – Just wheel this portable air conditioner into any room with a double hung or sliding window. Attach the included hose (4’ 11”) & window adapter, & plug it in to an outlet! At the end of the season, just unhook & store

EASY TO USE & CLEAN – The simple remote control & top-mounted LED display with 24-hour timer allow you to precisely control the air temperature. To clean the filter, just slide it out twice a month, rinse it thoroughly under running water, & put it back

3-in-1 FUNCTIONALITY - Combines 3 energy efficient functions for all of your cooling & ventilation needs with cool, fan, & dehumidifying modes all in one machine. Bucket-less, self-evaporating operation makes your living space cool, clean and dry

HAIER 6000 BTU ELECTRONIC WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 250 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 6000 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 – Energy-efficient with 3 cooling modes and 3 fan speeds to provide flexible and optimal room temperature; digital controls with 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

HANDY AND PORTABLE: The SereneLife Portable Air Conditioner System features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability

3 OPERATING MODES: The compact floor AC indoor cooler conditioning unit features a simple electric plug in operation and has 3 modes - cooling, dehumidifier and fan. Also features automatic swing mode w/ moving wind vent for maximum air circulation

BUILT-IN DEHUMIDIFIER: you don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, a huge financial and space saving!

REMOTE CONTROL: Features a digital touch button control panel which includes the power, mode, timer, temperature and fan speed settings. Other functions such as unit selector (°C/°F), sleep key can be adjusted using the included remote control

10000 BTU COOLING POWER: With 1150W rated power and 10000 BTU (ASHRAE) / 6,000 BTU (SACC) cooling power, the cold air can cover a room up to 270+ sq ft! Air flow is rated at 290 m3/hr, moisture removal/dehumidifier at 1.5 liters/hr w/ an. Operating noise level of only 52-56 dB

COMPACT WINDOW AIR CONDITIONER - CHIONE's affordable window AC units is perfect to help your bedroom, living room, or office be as comfortable as possible. This small ac unit can cool a space with 7 temperature settings, 2 cooling & 2 fan only speeds, and 2-way directional vents to help point the air flow where you need it most.

ENERGY EFFICIENT - CHIONE's 5,000 BTU window unit air conditioner has a Combined Energy Efficiency Rate (CEER) of 11.0 to help reduce your energy costs to save money throughout the year.

QUIET & EASY TO USE - This air conditioner window unit has a noise level of 56 dBA while on high, which is like a faint rainfall. It also features easy-to-use mechanical controls to quickly set the cooling mode and temperature you want. This AC unit also features a removable & reusable air filter.

EFFORTLESS INSTALLATION - Easily install this air conditioner unit in your home or apartment with minimal modification to the existing window frame. Suitable for windows 23''-36'' wide and minimum 13'' high. All AC mounting accessories are included. A screwdriver is required (but not included) for installation.

PERFORMANCE FEATURES & 1 YEAR WARRANTY - 5,000 BTU Cooling | Estimated Cooling Area: 150 Square Feet | Noise Level: 56 dBA on high (sounds like a faint rainfall) | Warranty: 1 Year Parts & Labor Warranty.

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

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 MEDIUM 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 ENERGY STAR 8000 BTU SMART WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 350 sq ft; easy installation kit and remote control included so you can start cooling right away