Best Buy customers often prefer the following products when searching for energy efficient air conditioners.
Air conditioners are one of the most important appliances in your home. They not only keep you comfortable but also help you save money on your energy bills. Browse the top-ranked list of energy efficient air conditioners below along with associated reviews and opinions.
New!Emerson Quiet Kool - 250 Sq. Ft. 6000 BTU Window Air Conditioner - White
Model: EARC6RE1SKU: 5889812Top comment"We run the Emerson on the ECO setting, and it cools our bedroom effectively while saving energy....AC works great, cold and energy effective. Sometimes to cold but it’s an AC...Very efficient!"
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Keep your room at the optimal temperature with this 6000 BTU Emerson air conditioner. Its filter is washable and reusable to reduce maintenance costs, and it has eight-way airflow louvers to ensure air is blowing your way. Maximize your comfort at night with the sleep mode on this Emerson air conditioner, which adjusts temperature overnight.Top comment"We run the Emerson on the ECO setting, and it cools our bedroom effectively while saving energy....AC works great, cold and energy effective. Sometimes to cold but it’s an AC...Very efficient!"
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Keep your room at the optimal temperature with this 6000 BTU Emerson air conditioner. Its filter is washable and reusable to reduce maintenance costs, and it has eight-way airflow louvers to ensure air is blowing your way. Maximize your comfort at night with the sleep mode on this Emerson air conditioner, which adjusts temperature overnight.See all Window Air ConditionersHoneywell - 400 Sq. Ft Portable Air Conditioner - White/Blue
Model: MO08CESWB6SKU: 6461863LG - 330 Sq. Ft. 8000 BTU Through-the-Wall Air Conditioner - White
Model: LT0816CERSKU: 5890335Top comment"Perfect air conditioner...This product fit perfectly in the space where it was needed. It is quiet and energy efficient. It is exactly what I was looking for!...Great in wall air conditioner....The air conditioner is super quiet and extremely energy efficient. "
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Our Energy Star certified 8,000 BTU Through-the-Wall Air Conditioner is ideal for cooling small to medium size rooms up to 340 sq. ft. It has 3 cooling and fan speeds to customize your comfort. The 4-way air deflection allows you to direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. Use the convenient 24 hour on/off timer and energy saver option to help save on energy costs. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include a remote control, trim kit, removable/washable filter and a check filter alert. (Wall sleeve sold separately)Top comment"Perfect air conditioner...This product fit perfectly in the space where it was needed. It is quiet and energy efficient. It is exactly what I was looking for!...Great in wall air conditioner....The air conditioner is super quiet and extremely energy efficient. "
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Our Energy Star certified 8,000 BTU Through-the-Wall Air Conditioner is ideal for cooling small to medium size rooms up to 340 sq. ft. It has 3 cooling and fan speeds to customize your comfort. The 4-way air deflection allows you to direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. Use the convenient 24 hour on/off timer and energy saver option to help save on energy costs. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include a remote control, trim kit, removable/washable filter and a check filter alert. (Wall sleeve sold separately)See all In-Wall Air ConditionersNew!Emerson Quiet Kool - 550 Sq. Ft. 12000 BTU Window Air Conditioner - White
Model: EARC12RE1SKU: 5889814Top comment"This air conditioner does a great job cooling most of my home. ...Save energy...Save energy and runs quite cool of large area good good"
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Enjoy a cool environment with this 12000 BTU Emerson Quiet Kool window air conditioner. Its high mode operates at only 60dBA for interruption-free comfort, and it’s suitable for medium to large rooms measuring 450-550 sq. ft. Use the ECO function of this Emerson Quiet Kool window air conditioner for energy-saving operation.Top comment"This air conditioner does a great job cooling most of my home. ...Save energy...Save energy and runs quite cool of large area good good"
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Enjoy a cool environment with this 12000 BTU Emerson Quiet Kool window air conditioner. Its high mode operates at only 60dBA for interruption-free comfort, and it’s suitable for medium to large rooms measuring 450-550 sq. ft. Use the ECO function of this Emerson Quiet Kool window air conditioner for energy-saving operation.See all Window Air ConditionersLG - 450 Sq. Ft. 10,000 BTU Smart Window Air Conditioner - White
Model: LW1022IVSMSKU: 6510339Top comment"I love that it has a washable filter and is more energy efficient than the old air conditioner we used to own. ...Totally happy with my window air conditioner! It’s quite and very powerful even on energy efficient!"
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The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. 4 cooling and fan speeds and a 24 hour timer allow you to create a cooling schedule to suit your needs. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include an LCD remote control, easy window installation kit, removable (washable) filter and a check filter alert.Top comment"I love that it has a washable filter and is more energy efficient than the old air conditioner we used to own. ...Totally happy with my window air conditioner! It’s quite and very powerful even on energy efficient!"
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The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. 4 cooling and fan speeds and a 24 hour timer allow you to create a cooling schedule to suit your needs. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include an LCD remote control, easy window installation kit, removable (washable) filter and a check filter alert.See all Air ConditionersLG - 550 Sq. Ft. 12,000 BTU Smart Window Air Conditioner - White
Model: LW1222IVSMSKU: 6510343Top comment"Nice air conditioner...Pretty good air conditioner very quite and easy to install...Absolutely great AC. So efficient - it can easily cool a space that requires 15K BTU. "
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The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. 4 cooling and fan speeds and a 24 hour timer allow you to create a cooling schedule to suit your needs. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include an LCD remote control, easy window installation kit, removable (washable) filter and a check filter alert.Top comment"Nice air conditioner...Pretty good air conditioner very quite and easy to install...Absolutely great AC. So efficient - it can easily cool a space that requires 15K BTU. "
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The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. 4 cooling and fan speeds and a 24 hour timer allow you to create a cooling schedule to suit your needs. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include an LCD remote control, easy window installation kit, removable (washable) filter and a check filter alert.See all Air ConditionersFrigidaire - Energy Star 450 sq ft Window-Mounted Compact Air Conditioner - White
Model: FFRE103WAESKU: 6417657Top comment"Our second Frigidaire air conditioner...The new unit is even quieter, more energy efficient, and the ionizer feature is a great bonus. ...Very Energy Efficient!"
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On hot, humid days, Frigidaire's Energy Star 10,000 BTU window-mounted air conditioner quickly cools a room up to 450 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.Top comment"Our second Frigidaire air conditioner...The new unit is even quieter, more energy efficient, and the ionizer feature is a great bonus. ...Very Energy Efficient!"
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On hot, humid days, Frigidaire's Energy Star 10,000 BTU window-mounted air conditioner quickly cools a room up to 450 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.See all Window Air ConditionersFrigidaire - Energy Star 350 sq ft Window-Mounted Mini-Compact Air Conditioner - White
Model: FFRE083WAESKU: 6416435Top comment"Cools house very quickly. Energy efficient. Quiet....It’s so pleasantly quiet and energy efficient we went out and purchased a 12,000 BTU unit yesterday,"
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On hot, humid days, Frigidaire's Energy Star 8,000 BTU window-mounted air conditioner quickly cools a room up to 350 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.Top comment"Cools house very quickly. Energy efficient. Quiet....It’s so pleasantly quiet and energy efficient we went out and purchased a 12,000 BTU unit yesterday,"
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On hot, humid days, Frigidaire's Energy Star 8,000 BTU window-mounted air conditioner quickly cools a room up to 350 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.See all Window Air ConditionersLG - 10,000 BTU Smart Window Air Conditioner - White
Model: LW1017ERSMSKU: 5890354Top comment"I have had my LG 10000 btu window air conditioner for a couple of weeks now! It is very quiet seems very energy efficient and keeps the bedroom and surrounding area very comfortable! ...Energy efficient and works well"
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Stay cool on the hottest days with this 10,000 BTU LG window air conditioner. Its four-way air deflection ensures uniform distribution of air, while its energy-saver function intermittently shuts the fan off when the desired temperature is reached. The remote control on this LG window air conditioner lets you adjust the temperature from anywhere in the room.Top comment"I have had my LG 10000 btu window air conditioner for a couple of weeks now! It is very quiet seems very energy efficient and keeps the bedroom and surrounding area very comfortable! ...Energy efficient and works well"
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Stay cool on the hottest days with this 10,000 BTU LG window air conditioner. Its four-way air deflection ensures uniform distribution of air, while its energy-saver function intermittently shuts the fan off when the desired temperature is reached. The remote control on this LG window air conditioner lets you adjust the temperature from anywhere in the room.See all Window Air ConditionersLG - 350 Sq. Ft. Portable Air Conditioner - White
Model: LP0721WSRSKU: 6505276Top comment"They work as advertised are fairly quiet (as air conditioners go) and cool the spaces as needed....Air Conditioner...Very good air conditioner cools down my room amazing and fast great product"
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This portable air conditioner is a great choice for versatile cooling! This quiet unit is ideal for cooling medium rooms up to 350 sq. ft. The unit has 2 cooling and fan speeds and a 24 hour timer to create a cooling schedule. The auto-swing air vent helps direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Easy rolling casters allow you to efficiently move the unit to another location. Other features include an LCD remote control, easy window venting installation kit, removable/washable filter and a check filter alert.Top comment"They work as advertised are fairly quiet (as air conditioners go) and cool the spaces as needed....Air Conditioner...Very good air conditioner cools down my room amazing and fast great product"
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This portable air conditioner is a great choice for versatile cooling! This quiet unit is ideal for cooling medium rooms up to 350 sq. ft. The unit has 2 cooling and fan speeds and a 24 hour timer to create a cooling schedule. The auto-swing air vent helps direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Easy rolling casters allow you to efficiently move the unit to another location. Other features include an LCD remote control, easy window venting installation kit, removable/washable filter and a check filter alert.See all Portable Air Conditioners