Best Large Portable AC Unit for Big Rooms in 2025

Updated on July 2025
#1
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  • 15000 BTU cooling capacity for rooms up to 800 sq. ft., suitable for living rooms, bedrooms, and offices.
  • Four-in-one functionality: cooling, dehumidifying (100 pints/day), fan, and sleep mode for versatile use year-round.
  • Self-evaporating system reduces the frequency of draining, with an optional drain hose for extended use.
  • Sleep mode adjusts fan speed and temperature for quiet operation, with a noise level below 52dB; includes a 24-hour timer for energy savings.
  • Wide-angle airflow (15-75°) and three adjustable fan speeds for personalized cooling.
  • Portable design with 360° wheels and handles, includes window sealing kit for easy installation.
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  • 15000 BTU cooling capacity for rooms up to 800 sq. ft., suitable for living rooms, bedrooms, and offices.
  • Four-in-one functionality: cooling, dehumidifying (100 pints/day), fan, and sleep mode for versatile use year-round.
  • Self-evaporating system reduces the frequency of draining, with an optional drain hose for extended use.
  • Sleep mode adjusts fan speed and temperature for quiet operation, with a noise level below 52dB; includes a 24-hour timer for energy savings.
  • Wide-angle airflow (15-75°) and three adjustable fan speeds for personalized cooling.
  • Portable design with 360° wheels and handles, includes window sealing kit for easy installation.
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#2
Value for Money
34% Off
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  • 14,000 BTU cooling capacity efficiently cools rooms up to 700 sq. ft. in 15 minutes.
  • Operates at a low noise level of 48dB, making it suitable for light sleepers.
  • 360° Auto-Evaporation technology eliminates excess water by converting 80% into cool air.
  • DOE certified unit with a 30-day money-back guarantee and over a year warranty.
  • Simple controls via a clear LED display or remote, with wheels for easy movement.
  • Tool-free setup in three easy steps, compatible with most window types.
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  • 14,000 BTU cooling capacity efficiently cools rooms up to 700 sq. ft. in 15 minutes.
  • Operates at a low noise level of 48dB, making it suitable for light sleepers.
  • 360° Auto-Evaporation technology eliminates excess water by converting 80% into cool air.
  • DOE certified unit with a 30-day money-back guarantee and over a year warranty.
  • Simple controls via a clear LED display or remote, with wheels for easy movement.
  • Tool-free setup in three easy steps, compatible with most window types.
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#3
15% Off
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  • 8000 BTU ASHRAE (5000 BTU SACC) portable air conditioner provides cooling coverage up to 14 ft., with temperature settings ranging from 61°F to 86°F for personalized comfort.
  • Noise level reduced to 45dB through DREO's patented isolation system, making it suitable for quiet environments during sleep or work.
  • Automatic evaporation of excess water in high humidity (up to 90%) eliminates the need for manual drainage.
  • Voice control compatibility with Siri, Amazon Alexa, and Google Home, plus customizable settings via the DREO app for temperature and humidity.
  • Portable design with smooth caster wheels and easy installation for a range of window sizes.
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  • 8000 BTU ASHRAE (5000 BTU SACC) portable air conditioner provides cooling coverage up to 14 ft., with temperature settings ranging from 61°F to 86°F for personalized comfort.
  • Noise level reduced to 45dB through DREO's patented isolation system, making it suitable for quiet environments during sleep or work.
  • Automatic evaporation of excess water in high humidity (up to 90%) eliminates the need for manual drainage.
  • Voice control compatibility with Siri, Amazon Alexa, and Google Home, plus customizable settings via the DREO app for temperature and humidity.
  • Portable design with smooth caster wheels and easy installation for a range of window sizes.
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#4
32% Off
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  • Lightweight and portable design with rolling wheels for easy movement between rooms or offices.
  • Functions as a built-in dehumidifier, effectively lowering humidity levels in addition to cooling.
  • Four operational modes: cooling, heating, dehumidifying, and fan, with automatic air circulation.
  • Equipped with a remote control for easy adjustment of settings including temperature, mode, and timer.
  • Provides year-round comfort with 12,000 BTU of cooling and heating power, suitable for spaces up to 550 sq. ft. and operating quietly at 56-59 dBa.
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  • Lightweight and portable design with rolling wheels for easy movement between rooms or offices.
  • Functions as a built-in dehumidifier, effectively lowering humidity levels in addition to cooling.
  • Four operational modes: cooling, heating, dehumidifying, and fan, with automatic air circulation.
  • Equipped with a remote control for easy adjustment of settings including temperature, mode, and timer.
  • Provides year-round comfort with 12,000 BTU of cooling and heating power, suitable for spaces up to 550 sq. ft. and operating quietly at 56-59 dBa.
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#5
33% Off
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  • Cooling capacity of 16,000 BTU, suitable for spaces up to 730 sq.ft, maintaining temperatures between 61°F and 88°F.
  • 5-in-1 functionality includes cooling, fan, sleep, and dehumidification modes for versatile climate control.
  • Remote control via app for scheduling, energy monitoring, and filter alerts allows easy integration into smart homes.
  • Portable design with 360° wheels and handles for easy mobility; includes various window panel options for installation.
  • Quiet operation under 45 dB in sleep mode, with energy-saving features and adjustable timer for efficient use.
  • Self-evaporating system requires no manual drainage, automating water removal during operation.
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  • Cooling capacity of 16,000 BTU, suitable for spaces up to 730 sq.ft, maintaining temperatures between 61°F and 88°F.
  • 5-in-1 functionality includes cooling, fan, sleep, and dehumidification modes for versatile climate control.
  • Remote control via app for scheduling, energy monitoring, and filter alerts allows easy integration into smart homes.
  • Portable design with 360° wheels and handles for easy mobility; includes various window panel options for installation.
  • Quiet operation under 45 dB in sleep mode, with energy-saving features and adjustable timer for efficient use.
  • Self-evaporating system requires no manual drainage, automating water removal during operation.
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#6
11% Off
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  • Compact portable air conditioner measuring 16.5" x 11.7" x 27.9" for easy placement in any room.
  • Versatile 3-in-1 design serving as an air conditioner, dehumidifier, and fan with a 14,000 BTU capacity.
  • Features a user-friendly remote control, LED display, slide-out washable filter, auto water evaporation, and 24-hour programmable timer.
  • Designed for easy mobility with built-in casters and side handles for effortless room-to-room transport.
  • Includes a straightforward installation kit for window setups, ensuring efficient airflow without complex installation.
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  • Compact portable air conditioner measuring 16.5" x 11.7" x 27.9" for easy placement in any room.
  • Versatile 3-in-1 design serving as an air conditioner, dehumidifier, and fan with a 14,000 BTU capacity.
  • Features a user-friendly remote control, LED display, slide-out washable filter, auto water evaporation, and 24-hour programmable timer.
  • Designed for easy mobility with built-in casters and side handles for effortless room-to-room transport.
  • Includes a straightforward installation kit for window setups, ensuring efficient airflow without complex installation.
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#7
24% Off
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  • Designed for efficient cooling in areas up to 500 sq. ft.
  • Operates quietly at 51 dBA on low speed, suitable for bedrooms.
  • Features a built-in dehumidifier with a capacity of 71 pints per day and auto condensate drainage.
  • Offers three modes: cooling, dehumidifying, and fan, with full thermostatic control from 61°F to 89°F.
  • Includes necessary components such as exhaust hose, window kit, and air filters for easy setup.
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  • Designed for efficient cooling in areas up to 500 sq. ft.
  • Operates quietly at 51 dBA on low speed, suitable for bedrooms.
  • Features a built-in dehumidifier with a capacity of 71 pints per day and auto condensate drainage.
  • Offers three modes: cooling, dehumidifying, and fan, with full thermostatic control from 61°F to 89°F.
  • Includes necessary components such as exhaust hose, window kit, and air filters for easy setup.
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#8
20% Off
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  • 10,000 BTU cooling capacity suitable for rooms up to 450 sq.ft.
  • Energy-efficient design reduces operating costs while maintaining effective cooling.
  • Offers four operational modes: Cool, Dehumidifier, Fan, and Sleep with low noise levels for nighttime use.
  • Portable design with wheels for easy movement; simple installation with included hose and window adapter.
  • Features a removable and washable double-layer air filter for improved air quality; recommended cleaning every two weeks.
  • Dedicated customer support available for prompt assistance with any product inquiries.
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  • 10,000 BTU cooling capacity suitable for rooms up to 450 sq.ft.
  • Energy-efficient design reduces operating costs while maintaining effective cooling.
  • Offers four operational modes: Cool, Dehumidifier, Fan, and Sleep with low noise levels for nighttime use.
  • Portable design with wheels for easy movement; simple installation with included hose and window adapter.
  • Features a removable and washable double-layer air filter for improved air quality; recommended cleaning every two weeks.
  • Dedicated customer support available for prompt assistance with any product inquiries.
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#9
37% Off
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  • Lightweight and portable design with rolling wheels for easy movement around the home or office.
  • Functions as a built-in dehumidifier, effectively reducing humidity levels.
  • Offers four operating modes: cooling, heating, dehumidifying, and fan, with automatic swing mode for enhanced air circulation.
  • Equipped with a digital control panel and remote control for convenient operation, including temperature, mode, and timer settings.
  • Delivers 10,000 BTU cooling and 9,000 BTU heating power, covering areas up to 450 sq. ft., with a quiet operation noise level of 52-56 dBa.
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  • Lightweight and portable design with rolling wheels for easy movement around the home or office.
  • Functions as a built-in dehumidifier, effectively reducing humidity levels.
  • Offers four operating modes: cooling, heating, dehumidifying, and fan, with automatic swing mode for enhanced air circulation.
  • Equipped with a digital control panel and remote control for convenient operation, including temperature, mode, and timer settings.
  • Delivers 10,000 BTU cooling and 9,000 BTU heating power, covering areas up to 450 sq. ft., with a quiet operation noise level of 52-56 dBa.
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#10
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  • Variable-speed inverter technology saves 40% energy by maintaining stable temperatures.
  • Fast cooling capacity of 16,000 BTU, suitable for spaces of 600-800 square feet.
  • Dual hose design for efficient air circulation and faster cooling by 30-40%.
  • 3-in-1 functionality with cooling, fan, and dehumidifying modes, removing 95 pints of moisture daily.
  • Remote control and auto-swing feature for convenient operation and wider air distribution.
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  • Variable-speed inverter technology saves 40% energy by maintaining stable temperatures.
  • Fast cooling capacity of 16,000 BTU, suitable for spaces of 600-800 square feet.
  • Dual hose design for efficient air circulation and faster cooling by 30-40%.
  • 3-in-1 functionality with cooling, fan, and dehumidifying modes, removing 95 pints of moisture daily.
  • Remote control and auto-swing feature for convenient operation and wider air distribution.
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