Best Energy Star Certified Portable Air Conditioner in 2025
Updated on July 2025
#1
Recommended
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- Personal air conditioner suitable for rooms up to 350 sq. ft. with compact dimensions of 15.3" x 14" x 24.8".
- Functions as an air conditioner, dehumidifier, and fan, featuring 4,100 BTU (DOE) cooling capacity and a lightweight design at 45.8 lbs.
- Equipped with a washable filter, auto water evaporation, and a 24-hour programmable timer for convenient use.
- Designed for easy mobility with built-in casters and side handles for seamless transportation between rooms.
- Includes installation kit with a window kit for straightforward setup and effective cooling.
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- Personal air conditioner suitable for rooms up to 350 sq. ft. with compact dimensions of 15.3" x 14" x 24.8".
- Functions as an air conditioner, dehumidifier, and fan, featuring 4,100 BTU (DOE) cooling capacity and a lightweight design at 45.8 lbs.
- Equipped with a washable filter, auto water evaporation, and a 24-hour programmable timer for convenient use.
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#2
Value for Money
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- Cools spaces up to 350 sq.ft with 8000 BTU rating, offering fan and dehumidification functions suitable for homes, offices, and cabins.
- Portable design with rolling wheels for easy relocation; fits sliding windows between 25 to 50 inches with no height restrictions.
- Control via a smart panel or remote; easily adjust time, temperature, and operation modes for convenience.
- Removable and washable air filter ensures clean air by trapping dust and pet hair; recommended weekly cleaning for optimal performance.
- 24-hour timer for automatic shut-off; operates quietly at under 51 decibels for uninterrupted sleep, with a special sleep mode for added tranquility.
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- Cools spaces up to 350 sq.ft with 8000 BTU rating, offering fan and dehumidification functions suitable for homes, offices, and cabins.
- Portable design with rolling wheels for easy relocation; fits sliding windows between 25 to 50 inches with no height restrictions.
- Control via a smart panel or remote; easily adjust time, temperature, and operation modes for convenience.
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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.
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#4
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.
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#5
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- Portable air conditioner with 10,000 BTU capacity, cooling areas up to 450 sq. ft and reaching temperatures as low as 61℉. Air supply distance of 16 ft for effective cooling in various spaces.
- 3-in-1 functionality as a cooler, dehumidifier (removing up to 51 pints of moisture daily), and fan with adjustable airflow and cooling range of 61–90℉. Two wind speeds available.
- Whisper-quiet operation at 52 dB for restful sleep, with 24-hour timer and energy-efficient design to reduce electricity costs.
- User-friendly smart control panel and remote control with operational range of 23 feet. ETL certified for safety and reliability, with temperature unit conversion feature.
- Equipped with a 0.17 gallon water tank and two drainage options for different usage scenarios. Features wheels and handles for easy mobility, with installation kit limitations for certain window sizes.
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- Portable air conditioner with 10,000 BTU capacity, cooling areas up to 450 sq. ft and reaching temperatures as low as 61℉. Air supply distance of 16 ft for effective cooling in various spaces.
- 3-in-1 functionality as a cooler, dehumidifier (removing up to 51 pints of moisture daily), and fan with adjustable airflow and cooling range of 61–90℉. Two wind speeds available.
- Whisper-quiet operation at 52 dB for restful sleep, with 24-hour timer and energy-efficient design to reduce electricity costs.
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#6
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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.
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#7
12% Off
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- Multi-season functionality with powerful cooling and supplemental heat for rooms up to 550 sq. ft.; heat pump function ineffective below 41°F.
- User-friendly with LED display, 5 modes, 3 speed settings, and a 24-hr timer. Operate via control panel, remote, SmartHome app, or voice with Alexa/Google Assistant.
- Energy-efficient unit certified by Energy Star; features variable-speed inverter technology for up to 35% energy savings, offering 12,000 BTUs and easy maintenance with a washable filter.
- Quiet operation at 45 dBA, ideal for uninterrupted activities like meetings or TV watching while providing a soothing background noise.
- Designed for double hung windows (24-38.5 inches wide); measures 19.41"W x 22.17"D x 13.9"H. Comes with remote control and installation kit.
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- Multi-season functionality with powerful cooling and supplemental heat for rooms up to 550 sq. ft.; heat pump function ineffective below 41°F.
- User-friendly with LED display, 5 modes, 3 speed settings, and a 24-hr timer. Operate via control panel, remote, SmartHome app, or voice with Alexa/Google Assistant.
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#8
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- Powerful 8,000 BTU cooling capacity with a maximum air flow of 320m³/h, cooling rooms in approximately 6 minutes.
- Functions as a 3-in-1 unit: cooling, dehumidifying (removes up to 44 pints of moisture daily), and fan operation for varied comfort.
- Compact design (12*26.7*11.4 in) with easy installation, no drilling required. Features include universal wheels and washable filters.
- Includes a remote control with a 23-foot range for convenient operation from a distance. LED display shows real-time status.
- Sleep mode reduces fan noise to 52db for restful sleep, with a 24-hour timer for energy efficiency.
- Comes with a window mount exhaust kit and remote control, suitable for window sizes 26.6" to 36".
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- Powerful 8,000 BTU cooling capacity with a maximum air flow of 320m³/h, cooling rooms in approximately 6 minutes.
- Functions as a 3-in-1 unit: cooling, dehumidifying (removes up to 44 pints of moisture daily), and fan operation for varied comfort.
- Compact design (12*26.7*11.4 in) with easy installation, no drilling required. Features include universal wheels and washable filters.
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#9
10% Off
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- Cooling capacity of 12,000 BTU (ASHRAE) / 7,800 BTU (SACC), suitable for spaces up to 400 sq. ft.
- 3-in-1 functionality with cool, fan, and dry modes; dehumidification capacity of up to 43.2L/day with self-evaporating operation.
- Easy installation with included exhaust hose and window sealing kit; no additional tools required.
- Portable design with 4 casters for easy mobility; features LED display, remote control, and 24-hour timer for convenience.
- 1-year warranty and lifetime tech support available for customer assistance.
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- Cooling capacity of 12,000 BTU (ASHRAE) / 7,800 BTU (SACC), suitable for spaces up to 400 sq. ft.
- 3-in-1 functionality with cool, fan, and dry modes; dehumidification capacity of up to 43.2L/day with self-evaporating operation.
- Easy installation with included exhaust hose and window sealing kit; no additional tools required.
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#10
40% Off
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- 12,000 BTU cooling for areas up to 550 sq. ft., cooling down to 61°F in just 15 minutes.
- 360° Auto-Evaporation Tech converts excess water into cool air, minimizing maintenance and mess.
- Operates at a low 44dB with Sleep Mode to maintain a quiet environment for light sleepers.
- 3-in-1 functionality allows for cooling, fan, and dehumidification modes.
- Convenient LED display and remote control for easy settings adjustments; portable with wheels and handles for mobility.
- Installation is quick and tool-free, fitting most vertical and horizontal windows.
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- 12,000 BTU cooling for areas up to 550 sq. ft., cooling down to 61°F in just 15 minutes.
- 360° Auto-Evaporation Tech converts excess water into cool air, minimizing maintenance and mess.
- Operates at a low 44dB with Sleep Mode to maintain a quiet environment for light sleepers.
- 3-in-1 functionality allows for cooling, fan, and dehumidification modes.
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