high efficiency air conditioners
Best Buy customers often prefer the following products when searching for high efficiency air conditioners.
Air conditioning is a necessity in many parts of the world, and it's also a luxury in some. But no matter where you live, it's always good to know you have an efficient air conditioner to help you stay cool. Browse the top-ranked list of high efficiency air conditioners below along with associated reviews and opinions.
LG - 450 Sq. Ft. 10,000 BTU Smart Window Air Conditioner - White
Model: LW1022IVSMSKU: 6510339Top comment"Totally happy with my window air conditioner! It’s quite and very powerful even on energy efficient!...The air conditioner with the dual inverter is so quiet that the I think the fan makes the most noise. ...Impresive air conditioner."
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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"Totally happy with my window air conditioner! It’s quite and very powerful even on energy efficient!...The air conditioner with the dual inverter is so quiet that the I think the fan makes the most noise. ...Impresive air conditioner."
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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 Conditioners
LG - 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
LG - 10,000 BTU Smart Window Air Conditioner - White
Model: LW1017ERSMSKU: 5890354Top comment"LG Air Conditioner...Outside temperature high 90’s to 102 so far. I’m completely satisfied with this air conditioner and would recommend it to anyone....Very Efficient...[This review was collected as part of a promotion.] This air conditioner is easy to install, very efficient, and relatively quiet for its size. "
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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"LG Air Conditioner...Outside temperature high 90’s to 102 so far. I’m completely satisfied with this air conditioner and would recommend it to anyone....Very Efficient...[This review was collected as part of a promotion.] This air conditioner is easy to install, very efficient, and relatively quiet for its size. "
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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 Conditioners
Frigidaire - Energy Star 450 sq ft Window-Mounted Compact Air Conditioner - White
Model: FFRE103WAESKU: 6417657Top comment"Low price and high efficiency!...GREAT AIR CONDITIONER, GREAT PRICE!!...I bought this air conditioner to replace an older model that wasn't 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"Low price and high efficiency!...GREAT AIR CONDITIONER, GREAT PRICE!!...I bought this air conditioner to replace an older model that wasn't 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 Conditioners
LG - 8,000 BTU Smart Window Air Conditioner - White
Model: LW8017ERSMSKU: 5890356Top comment"Air conditioner...Great machine and energy efficient too! We had a cool summer!...LG window air conditioner...[This review was collected as part of a promotion.] Best window air conditioner ever own very efficient very happy thank you LG"
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Enjoy cool, crisp air in your home with this LG window air conditioner. Its 8,000 BTUs of power effectively cool a medium-size room, while its four-way air deflection lets you distribute air in any direction. Adjust the temperature in your home with your smart device by using the Wi-Fi connectivity feature on this LG window air conditioner.Top comment"Air conditioner...Great machine and energy efficient too! We had a cool summer!...LG window air conditioner...[This review was collected as part of a promotion.] Best window air conditioner ever own very efficient very happy thank you LG"
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Enjoy cool, crisp air in your home with this LG window air conditioner. Its 8,000 BTUs of power effectively cool a medium-size room, while its four-way air deflection lets you distribute air in any direction. Adjust the temperature in your home with your smart device by using the Wi-Fi connectivity feature on this LG window air conditioner.See all Window Air Conditioners
Frigidaire - Energy Star 350 sq ft Window-Mounted Mini-Compact Air Conditioner - White
Model: FFRE083WAESKU: 6416435Top comment"Low noise, high efficiency...Excellent air conditioner...[This review was collected as part of a promotion.] This air conditioner is very efficient with cooling. "
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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"Low noise, high efficiency...Excellent air conditioner...[This review was collected as part of a promotion.] This air conditioner is very efficient with cooling. "
See all customer reviewsSee all Window Air ConditionersProduct Description
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 Conditioners
LG - 500 Sq. Ft. Smart Portable Air Conditioner - White
Model: LP1419IVSMSKU: 6354675Top comment"Highly Efficient and Quiet...[This review was collected as part of a promotion.] I’ve had portable air conditioners in my house for 11 years but had never before owned an LG. ...Best of class portable air conditioner...I thoroughly researched the available portable air conditioners. The LP14IVSM was highly rated and was also recommended in a NY Times article. "
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Beat the heat with this LG dual-inverter portable air conditioner. The built-in Wi-Fi lets you customize settings remotely for added convenience, while the built in wheels make it easy to move from room to room as needed. This LG dual-inverter portable air conditioner has three fan speeds for adjusting intensity.Top comment"Highly Efficient and Quiet...[This review was collected as part of a promotion.] I’ve had portable air conditioners in my house for 11 years but had never before owned an LG. ...Best of class portable air conditioner...I thoroughly researched the available portable air conditioners. The LP14IVSM was highly rated and was also recommended in a NY Times article. "
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Beat the heat with this LG dual-inverter portable air conditioner. The built-in Wi-Fi lets you customize settings remotely for added convenience, while the built in wheels make it easy to move from room to room as needed. This LG dual-inverter portable air conditioner has three fan speeds for adjusting intensity.See all Window Air Conditioners
Whynter - Eco-friendly 8000 BTU Portable Air Conditioner - White
Model: ARC-08WBSKU: 5908004Top comment"I purchased this Air Conditioner 4 years ago and I use it every summer during the very hot months. ...Great air conditioner...I'm very happy with my air conditioner is very special for small room I would recommend for everyone"
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The Whynter compact CFC-free, lead-free, and high energy efficiency 8,000 BTU portable air conditioner, helps you stay cool while working with better environmental standards and reducing energy consumption. This portable air conditioner, specially designed to be light weight and extremely mobile, can be easily setup in almost any indoor location and is most commonly used in data closets / server rooms, bedrooms, classrooms and garages / workshops.
Top comment"I purchased this Air Conditioner 4 years ago and I use it every summer during the very hot months. ...Great air conditioner...I'm very happy with my air conditioner is very special for small room I would recommend for everyone"
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The Whynter compact CFC-free, lead-free, and high energy efficiency 8,000 BTU portable air conditioner, helps you stay cool while working with better environmental standards and reducing energy consumption. This portable air conditioner, specially designed to be light weight and extremely mobile, can be easily setup in almost any indoor location and is most commonly used in data closets / server rooms, bedrooms, classrooms and garages / workshops.
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LG - 24,500 BTU Window Smart Air Conditioner - White
Model: LW2521ERSMSKU: 6516204Top comment"Great High Efficiency LG AC...Very Dependable and efficient and low cost to Operate. Keeps our Great Room comfy....Window air conditioner...Great air conditioner. Cools the shoe downstairs, without using fans."
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The LG LW2521ERSM is not only cool...it's SMART! 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. This quiet unit is ideal for cooling large rooms up to 1,560 sq. ft. and is Energy Star certified to help save on energy. The unit has 3 cooling and fan speeds and a 24 hour timer to create a cooling schedule. 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 a remote control, easy window installation kit, slide-out (washable) filter and a check filter alert.Top comment"Great High Efficiency LG AC...Very Dependable and efficient and low cost to Operate. Keeps our Great Room comfy....Window air conditioner...Great air conditioner. Cools the shoe downstairs, without using fans."
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The LG LW2521ERSM is not only cool...it's SMART! 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. This quiet unit is ideal for cooling large rooms up to 1,560 sq. ft. and is Energy Star certified to help save on energy. The unit has 3 cooling and fan speeds and a 24 hour timer to create a cooling schedule. 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 a remote control, easy window installation kit, slide-out (washable) filter and a check filter alert.See all Window Air Conditioners
Whynter - ARC-1230WNH 600 Sq.Ft Smart NEX Inverter Portable Air Conditioner 12000 BTU Heater - White
Model: ARC-1230WNHSKU: 6505328Top comment"Great portable air conditioner/heat pump...Great portable air conditioner and heat pump. Use the air conditioner to keep my bedroom cooler at night. ...It also looks way better than any dual hose high efficiency portable ac because of the hose in hose design. "
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The Whynter ARC-1230WNH Inverter Dual Hose Portable Air Conditioner and Heater has the highest cooling and heating BTU (14,000 ASHRAE / 12,000 SACC) in the market. The cooling power you need to cool, dehumidify or circulate the air in up to 600 sq. ft of space. Smart functionalities include the NetHome Plus app to control your portable air conditioner through Wi-Fi from virtually anywhere. You can also control it with Amazon Alexa or Google Home voice assistant. Intelligent features such as the 24-hour Timer, Sleep Mode, Auto restart, Self-Diagnosis, Express Run Settings, Schedules, and Filter Check Reminder Light. As pioneers in the air comfort industry, we are introducing the next-generation Inverter Technology currently only being used in high-efficiency ductless mini-split air conditioners to our NEX line of portable air conditioners. The variable-speed system allows the compressor to optimize efficiency and power consumption together while maintaining a specified output. The advantages of inverter technology are estimated 40% – 50% in energy savings, 2 times quicker to achieve desired temperature, quieter operation, minimized temperature fluctuations, no voltage peaks from the compressor. The innovative two-hose-in-one design and the sealed bottom structure ensure no heat leakage. This cooling setup extracts and exhausts air from the outside, so the indoor space reaches an independent and balanced cool air circulation. As a result, the entire room can be cooled down quickly and effectively. The noise level is as low as 47dB(A) in low fan speed, almost as quite as a library. You can control your portable air conditioner anywhere with the NetHome Plus app for Android and iOS and make your home comfortable even before you arrive. Also, you can use Amazon Alexa or Google Home voice assistant to operate the air conditioner.Top comment"Great portable air conditioner/heat pump...Great portable air conditioner and heat pump. Use the air conditioner to keep my bedroom cooler at night. ...It also looks way better than any dual hose high efficiency portable ac because of the hose in hose design. "
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The Whynter ARC-1230WNH Inverter Dual Hose Portable Air Conditioner and Heater has the highest cooling and heating BTU (14,000 ASHRAE / 12,000 SACC) in the market. The cooling power you need to cool, dehumidify or circulate the air in up to 600 sq. ft of space. Smart functionalities include the NetHome Plus app to control your portable air conditioner through Wi-Fi from virtually anywhere. You can also control it with Amazon Alexa or Google Home voice assistant. Intelligent features such as the 24-hour Timer, Sleep Mode, Auto restart, Self-Diagnosis, Express Run Settings, Schedules, and Filter Check Reminder Light. As pioneers in the air comfort industry, we are introducing the next-generation Inverter Technology currently only being used in high-efficiency ductless mini-split air conditioners to our NEX line of portable air conditioners. The variable-speed system allows the compressor to optimize efficiency and power consumption together while maintaining a specified output. The advantages of inverter technology are estimated 40% – 50% in energy savings, 2 times quicker to achieve desired temperature, quieter operation, minimized temperature fluctuations, no voltage peaks from the compressor. The innovative two-hose-in-one design and the sealed bottom structure ensure no heat leakage. This cooling setup extracts and exhausts air from the outside, so the indoor space reaches an independent and balanced cool air circulation. As a result, the entire room can be cooled down quickly and effectively. The noise level is as low as 47dB(A) in low fan speed, almost as quite as a library. You can control your portable air conditioner anywhere with the NetHome Plus app for Android and iOS and make your home comfortable even before you arrive. Also, you can use Amazon Alexa or Google Home voice assistant to operate the air conditioner.See all Portable Air Conditioners
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