Skip to content
Main Content

sizing air conditioner

No content

Best Buy customers often prefer the following products when searching for sizing air conditioner.

When you're sizing air conditioner systems, you're looking at the amount of energy a unit uses to cool down a certain size of space. Larger rooms typically require more energy consumption, and vice versa. If you're looking for energy efficient units, consider these air conditioners. Browse the top-ranked list of air conditioners below along with associated reviews and opinions.

Main Results
  1. Whirlpool - 350 Sq. Ft Portable Air Conditioner and 7,600 BTU Heater - White - Front_Zoom
    Top comment

    "Perfect size for keeping cool during the summer and for storing away during the winter months. ...We bought this unit to replace a older one. Really quite and efficient for our family room....Portable air conditioner review...Portable air conditioner"

    See all customer reviews

    Product Description

    Why put a limit on comfort? The Whirlpool portable air conditioner allows for flexible placement within your home. Designed for cooling, heating, and dehumidifying a room up to 350 square feet, this Whirlpool portable air conditioner features on-board electronic controls with 3 speeds and a 24-hour timer, plus a handy remote control. Easy-rolling caster wheels allow you to conveniently move the unit from room to room, providing cool air when and where you need it most. With the included window exhaust kit, it only takes a few minutes to uninstall and reinstall. At Whirlpool, we take comfort and caring to the next level.
    See all Portable Air Conditioners
    Top comment

    "Perfect size for keeping cool during the summer and for storing away during the winter months. ...We bought this unit to replace a older one. Really quite and efficient for our family room....Portable air conditioner review...Portable air conditioner"

    See all customer reviews

    Product Description

    Why put a limit on comfort? The Whirlpool portable air conditioner allows for flexible placement within your home. Designed for cooling, heating, and dehumidifying a room up to 350 square feet, this Whirlpool portable air conditioner features on-board electronic controls with 3 speeds and a 24-hour timer, plus a handy remote control. Easy-rolling caster wheels allow you to conveniently move the unit from room to room, providing cool air when and where you need it most. With the included window exhaust kit, it only takes a few minutes to uninstall and reinstall. At Whirlpool, we take comfort and caring to the next level.
    See all Portable Air Conditioners
    See all Portable Air Conditioners
  2. LG - 550 Sq. Ft. 12,000 BTU Smart Window Air Conditioner - White - Front_Zoom
    Top comment

    "Best air conditioner I've had in my life...This air conditioner looks and functions like a very well made, high maintenance air conditioner. ...Nice air conditioner...Pretty good air conditioner very quite and easy to install"

    See all customer reviews

    Product Description

    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
    Top comment

    "Best air conditioner I've had in my life...This air conditioner looks and functions like a very well made, high maintenance air conditioner. ...Nice air conditioner...Pretty good air conditioner very quite and easy to install"

    See all customer reviews

    Product Description

    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
    See all Air Conditioners
  3. AireMax - 600 Sq. Ft. Portable Air Conditioner with Heat Pump - White - Front_Zoom
    Top comment

    "Airemax portable air conditioner...Air conditioner good heater doesn't work I would prefer the heater to work as advertised"

    See all customer reviews

    Product Description

    Keeps rooms cool and comfortable with this AireMax portable air conditioner. Ideal for quickly cooling, dehumidifying, and adding supplemental heat to your home, this unit improves comfort in spaces up to 600 square feet, with dehumidification up to 90 pints per day. Enjoy 4 convenient operating modes - heat, cool, fan, and dry - designed to keep you comfortable in any living space. Designed with a self-evaporative system, the unit condensates water recycled inside for efficient cooling. Equipped with cooling options tailored to your preferences, the AireMax portable unit has 3 air flow speeds, plus a sleep function for effective cooling around the clock. Easily transport your unit throughout your home with 4-way casters and convenient side handles. And with removable mesh filters, simply vacuum and wash for stress-free upkeep of your AireMax air conditioner.
    See all Portable Air Conditioners
    Top comment

    "Airemax portable air conditioner...Air conditioner good heater doesn't work I would prefer the heater to work as advertised"

    See all customer reviews

    Product Description

    Keeps rooms cool and comfortable with this AireMax portable air conditioner. Ideal for quickly cooling, dehumidifying, and adding supplemental heat to your home, this unit improves comfort in spaces up to 600 square feet, with dehumidification up to 90 pints per day. Enjoy 4 convenient operating modes - heat, cool, fan, and dry - designed to keep you comfortable in any living space. Designed with a self-evaporative system, the unit condensates water recycled inside for efficient cooling. Equipped with cooling options tailored to your preferences, the AireMax portable unit has 3 air flow speeds, plus a sleep function for effective cooling around the clock. Easily transport your unit throughout your home with 4-way casters and convenient side handles. And with removable mesh filters, simply vacuum and wash for stress-free upkeep of your AireMax air conditioner.
    See all Portable Air Conditioners
    See all Portable Air Conditioners
  4. Honeywell - 400 Sq. Ft Portable Air Conditioner - White/Blue - Front_Zoom

    Product Description

    Honeywell portable air conditioner covers all the bases - AC and a multi-speed fan keep you cool in summer, a dehumidifier ensures your space stays dry during wetter, potentially mold-inducing months. This AC keeps you comfortable in rooms up to 400 square feet, covering more square footage than comparable models on the market. Designed with portability in mind. The Honeywell MO series is one of the lightest in its class and comes with smooth-gliding wheels that make sliding the unit from room-to-room a breeze. It's easy to keep your energy costs low when you're not wasting effort cooling down empty rooms. This Honeywell portable air conditioner comes with everything needed including a flexible exhaust hose and an easy-to-install window venting kit. The window vent can be removed when the unit is not in use.
    See all Portable Air Conditioners

    Product Description

    Honeywell portable air conditioner covers all the bases - AC and a multi-speed fan keep you cool in summer, a dehumidifier ensures your space stays dry during wetter, potentially mold-inducing months. This AC keeps you comfortable in rooms up to 400 square feet, covering more square footage than comparable models on the market. Designed with portability in mind. The Honeywell MO series is one of the lightest in its class and comes with smooth-gliding wheels that make sliding the unit from room-to-room a breeze. It's easy to keep your energy costs low when you're not wasting effort cooling down empty rooms. This Honeywell portable air conditioner comes with everything needed including a flexible exhaust hose and an easy-to-install window venting kit. The window vent can be removed when the unit is not in use.
    See all Portable Air Conditioners
    See all Portable Air Conditioners
  5. Honeywell - 400 Sq. Ft Portable Air Conditioner - White/Black - Front_Zoom
    Top comment

    "Air Conditioner...Great portable air conditioner...This is my second purchase of a Honeywell portable air conditioner. Last summer I bought a bigger unit for the main part of the house. "

    See all customer reviews

    Product Description

    Honeywell portable air conditioner covers all the bases - AC and a multi-speed fan keep you cool in summer, a dehumidifier ensures your space stays dry during wetter, potentially mold-inducing months. This AC keeps you comfortable in rooms up to 400 square feet, covering more square footage than comparable models on the market. Designed with portability in mind. The Honeywell MO series is one of the lightest in its class and comes with smooth-gliding wheels that make sliding the unit from room-to-room a breeze. It's easy to keep your energy costs low when you're not wasting effort cooling down empty rooms. This Honeywell portable air conditioner comes with everything needed including a flexible exhaust hose and an easy-to-install window venting kit. The window vent can be removed when the unit is not in use.
    See all Portable Air Conditioners
    Top comment

    "Air Conditioner...Great portable air conditioner...This is my second purchase of a Honeywell portable air conditioner. Last summer I bought a bigger unit for the main part of the house. "

    See all customer reviews

    Product Description

    Honeywell portable air conditioner covers all the bases - AC and a multi-speed fan keep you cool in summer, a dehumidifier ensures your space stays dry during wetter, potentially mold-inducing months. This AC keeps you comfortable in rooms up to 400 square feet, covering more square footage than comparable models on the market. Designed with portability in mind. The Honeywell MO series is one of the lightest in its class and comes with smooth-gliding wheels that make sliding the unit from room-to-room a breeze. It's easy to keep your energy costs low when you're not wasting effort cooling down empty rooms. This Honeywell portable air conditioner comes with everything needed including a flexible exhaust hose and an easy-to-install window venting kit. The window vent can be removed when the unit is not in use.
    See all Portable Air Conditioners
    See all Portable Air Conditioners
  6. Emerson Quiet Kool - 350 Sq.Ft. 3 in 1 Portable Air Conditioner with Remote Control - White - Front_Zoom
    Top comment

    "Excellent air conditioner...Great cooling for a medium size room....The product cools very well the only problem is the noise level is a little high other than that a great portable air conditioner."

    See all customer reviews

    Product Description

    Enjoy flexible, energy-saving, spot cooling with the Emerson Quiet Kool portable air conditioner. With the included window venting kit, it can be easily installed and put into operation anywhere. Using auto evaporation technology, our portable air conditioner also functions as a dehumidifier by reducing unwanted moisture in the air without any necessary drainage. Convenient features include a remote control, 24-hour on/off timer, and sleep mode. And for Peace of mind, you get our 1-2-5 years warranty: 1 year labor, 2 years parts and 5 years compressor. Emerson Quiet Kool air conditioners are a great way to beat the heat and stay comfortable.
    See all Portable Air Conditioners
    Top comment

    "Excellent air conditioner...Great cooling for a medium size room....The product cools very well the only problem is the noise level is a little high other than that a great portable air conditioner."

    See all customer reviews

    Product Description

    Enjoy flexible, energy-saving, spot cooling with the Emerson Quiet Kool portable air conditioner. With the included window venting kit, it can be easily installed and put into operation anywhere. Using auto evaporation technology, our portable air conditioner also functions as a dehumidifier by reducing unwanted moisture in the air without any necessary drainage. Convenient features include a remote control, 24-hour on/off timer, and sleep mode. And for Peace of mind, you get our 1-2-5 years warranty: 1 year labor, 2 years parts and 5 years compressor. Emerson Quiet Kool air conditioners are a great way to beat the heat and stay comfortable.
    See all Portable Air Conditioners
    See all Portable Air Conditioners
  7. Emerson Quiet Kool - 250 Sq. Ft. 6000 BTU Window Air Conditioner - White - Front_Zoom
    Top comment

    "Nice Little Air Conditioner, does a great job. Great price for this product, very happy with purchase....air conditioner"

    See all customer reviews

    Product Description

    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 Conditioners
    Top comment

    "Nice Little Air Conditioner, does a great job. Great price for this product, very happy with purchase....air conditioner"

    See all customer reviews

    Product Description

    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 Conditioners
    See all Window Air Conditioners
  8. Emerson Quiet Kool - 550 Sq. Ft. 12000 BTU Window Air Conditioner - White - Front_Zoom
    Top comment

    "Good Air Conditioner...I am satisfied with purchasing this air conditioner. However, it is noisy....Great air conditioner...This is a very good air conditioner, has saved me a lot on my electricity bill"

    See all customer reviews

    Product Description

    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 Conditioners
    Top comment

    "Good Air Conditioner...I am satisfied with purchasing this air conditioner. However, it is noisy....Great air conditioner...This is a very good air conditioner, has saved me a lot on my electricity bill"

    See all customer reviews

    Product Description

    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 Conditioners
    See all Window Air Conditioners
  9. Honeywell - 700 Sq. Ft. Portable Air Conditioner with Heat Pump - Black - Front_Zoom
    Top comment

    "Great air conditioner easy set up quite running cools fast...Very good portable air conditioning, strong, good size"

    See all customer reviews

    Product Description

    Stay cool and dry with this MN4HFS9 Honeywell Portable Air Conditioner with Heater. This unit combines 4-in-1 technology in one sleek body, cooling and dehumidifying areas up to 700 sq. ft. and heating areas up to 500 sq. ft. With cooling and heating functions in one, this appliance is useful year-round, keeping you cool during hot summers and warm during cold winters. It features an auto-evaporation system, a reliable dehumidifying function, and a traditional three-speed fan function to deliver optimum cooling, dehumidification, and fresh ventilation. The full-function remote control allows you to operate each feature from across the room. Unlike a fixed air conditioner, the Honeywell Portable Air Conditioner requires no permanent installation, and smooth-gliding wheels make sliding it from room to room a breeze.
    See all Portable Air Conditioners
    Top comment

    "Great air conditioner easy set up quite running cools fast...Very good portable air conditioning, strong, good size"

    See all customer reviews

    Product Description

    Stay cool and dry with this MN4HFS9 Honeywell Portable Air Conditioner with Heater. This unit combines 4-in-1 technology in one sleek body, cooling and dehumidifying areas up to 700 sq. ft. and heating areas up to 500 sq. ft. With cooling and heating functions in one, this appliance is useful year-round, keeping you cool during hot summers and warm during cold winters. It features an auto-evaporation system, a reliable dehumidifying function, and a traditional three-speed fan function to deliver optimum cooling, dehumidification, and fresh ventilation. The full-function remote control allows you to operate each feature from across the room. Unlike a fixed air conditioner, the Honeywell Portable Air Conditioner requires no permanent installation, and smooth-gliding wheels make sliding it from room to room a breeze.
    See all Portable Air Conditioners
    See all Portable Air Conditioners
  10. LG - 150 Sq. Ft. 5,000 BTU Window Air Conditioner - White - Front_Zoom
    Top comment

    "Great air conditioner! Love that the air vent is on top rather than in front & blowing air straight out. ...Great Air Conditioner...[This review was collected as part of a promotion.] We purchased this air conditioner about a month ago. It fit perfectly where the previous one had been. "

    See all customer reviews

    Product Description

    It’s important to get the right air conditioner for the job! The LG LW5016 is ideal for cooling small to medium rooms up to 150 sq. ft. This unit has 2 cooling and fan speeds and 2-way air deflection that lets the flow of air be directed where it's needed most. Whether cooling, dehumidifying or just circulating air this small but powerful air conditioner does the job. Other features include an easy window installation kit and removable, washable filter.
    See all Window Air Conditioners
    Top comment

    "Great air conditioner! Love that the air vent is on top rather than in front & blowing air straight out. ...Great Air Conditioner...[This review was collected as part of a promotion.] We purchased this air conditioner about a month ago. It fit perfectly where the previous one had been. "

    See all customer reviews

    Product Description

    It’s important to get the right air conditioner for the job! The LG LW5016 is ideal for cooling small to medium rooms up to 150 sq. ft. This unit has 2 cooling and fan speeds and 2-way air deflection that lets the flow of air be directed where it's needed most. Whether cooling, dehumidifying or just circulating air this small but powerful air conditioner does the job. Other features include an easy window installation kit and removable, washable filter.
    See all Window Air Conditioners
    See all Window Air Conditioners
No content
No content