Best Smallest Window Air Conditioner Unit Narrow in USA 2025
Updated on August 2025
#1
Recommended
5% Off
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- Ideal for cooling smaller spaces up to 150 sq. ft. with multiple temperature settings, cooling modes, and adjustable air direction.
- Energy-efficient operation with a Combined Energy Efficiency Rate (CEER) of 11.0, designed to lower energy costs.
- Operates quietly, comparable to a household refrigerator, and comes with user-friendly mechanical controls and a washable air filter.
- Simple installation process compatible with windows measuring 23''-36'' wide and at least 13'' high, with all necessary mounting accessories included.
- Includes a 1 Year Parts & Labor Warranty for assurance, with customer support available for any inquiries.
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- Ideal for cooling smaller spaces up to 150 sq. ft. with multiple temperature settings, cooling modes, and adjustable air direction.
- Energy-efficient operation with a Combined Energy Efficiency Rate (CEER) of 11.0, designed to lower energy costs.
- Operates quietly, comparable to a household refrigerator, and comes with user-friendly mechanical controls and a washable air filter.
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#2
Value for Money
13% Off
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- Efficiently cools rooms up to 150 sq ft with a cooling capacity of 5000 BTU.
- Ideal for small spaces such as bedrooms, studio apartments, and home offices.
- Operates quietly, making it suitable for nighttime use.
- Offers 2 cooling modes and 2 fan speeds for customizable comfort with 10 temperature settings.
- Easily installs in double-hung windows using the included installation kit.
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- Efficiently cools rooms up to 150 sq ft with a cooling capacity of 5000 BTU.
- Ideal for small spaces such as bedrooms, studio apartments, and home offices.
- Operates quietly, making it suitable for nighttime use.
- Offers 2 cooling modes and 2 fan speeds for customizable comfort with 10 temperature settings.
- Easily installs in double-hung windows using the included installation kit.
#3
24% Off
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- Cools and dehumidifies rooms up to 150 sq. ft., ideal for compact spaces.
- Equipped with a removable and washable filter for easy maintenance.
- Offers 7 temperature settings and adjustable air direction.
- Designed to fit standard windows with adjustable side panels for easy installation.
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- Cools and dehumidifies rooms up to 150 sq. ft., ideal for compact spaces.
- Equipped with a removable and washable filter for easy maintenance.
- Offers 7 temperature settings and adjustable air direction.
- Designed to fit standard windows with adjustable side panels for easy installation.
#4
23% Off
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- Maintains preset room temperatures for all-day comfort
- Features a washable filter that effectively captures dust, enhancing efficiency
- Includes a long power cord, eliminating the need for extension cords
- Automatically resumes previous settings after a power outage
- Suitable for installation in standard double-hung windows with widths ranging from 24 to 36 inches
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- Maintains preset room temperatures for all-day comfort
- Features a washable filter that effectively captures dust, enhancing efficiency
- Includes a long power cord, eliminating the need for extension cords
- Automatically resumes previous settings after a power outage
- Suitable for installation in standard double-hung windows with widths ranging from 24 to 36 inches
#5
20% Off
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- Efficiently cools rooms up to 150 sq. ft. with 5000 BTU power, suitable for small spaces like bedrooms and offices.
- User-friendly knob for 7 temperature settings, allowing easy adjustment for customized comfort.
- Offers 2 cooling modes and 2 fan-only modes, operating at a quiet 51dB, ideal for maintaining a peaceful environment.
- Includes complete installation kit and manual; compatible with standard double-hung windows, plus a washable filter for easy maintenance.
- Durably constructed with high-quality materials for reliable long-term performance.
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- Efficiently cools rooms up to 150 sq. ft. with 5000 BTU power, suitable for small spaces like bedrooms and offices.
- User-friendly knob for 7 temperature settings, allowing easy adjustment for customized comfort.
- Offers 2 cooling modes and 2 fan-only modes, operating at a quiet 51dB, ideal for maintaining a peaceful environment.
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#6
15% Off
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- Provides effective cooling for spaces up to 250 square feet with a capacity of 6,000 BTU.
- Includes auto restart and timer for convenience.
- Temperature adjustable between 61℉-88℉ with remote control and LED panel.
- Offers four modes: Auto, Cool, Fan, and Dry, plus a 24-hour timer and sleep mode.
- Comes with a complete installation kit and a washable, easily removable filter.
- Compact design fits standard windows with a minimum height of 14.5" and a width of 23"-34".
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- Provides effective cooling for spaces up to 250 square feet with a capacity of 6,000 BTU.
- Includes auto restart and timer for convenience.
- Temperature adjustable between 61℉-88℉ with remote control and LED panel.
- Offers four modes: Auto, Cool, Fan, and Dry, plus a 24-hour timer and sleep mode.
- Comes with a complete installation kit and a washable, easily removable filter.
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#7
10% Off
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- 6000 BTU air conditioner suitable for spaces up to 250 square feet.
- User-friendly operation via LED display, remote control, or mobile app, with features like Sleep Mode, fan speed selection, and a 24-hour timer.
- Energy-efficient design for cost savings with a robust compressor for enhanced cooling and longevity.
- Low noise level at 50 decibels for a serene environment, ideal for sleep or watching TV.
- Compact dimensions for easy installation in standard window frames, with support available for any inquiries.
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- 6000 BTU air conditioner suitable for spaces up to 250 square feet.
- User-friendly operation via LED display, remote control, or mobile app, with features like Sleep Mode, fan speed selection, and a 24-hour timer.
- Energy-efficient design for cost savings with a robust compressor for enhanced cooling and longevity.
- Low noise level at 50 decibels for a serene environment, ideal for sleep or watching TV.
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#8
23% Off
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- U-shape design minimizes external noise, operating at low as 32 dBA, significantly quieter than conventional units.
- Advanced DC Inverter technology enables over 35% energy savings and meets ENERGY STAR certification standards.
- Wi-Fi connectivity allows control via SmartHome app and compatibility with Alexa and Google Assistant.
- Unique design permits window opening for fresh air while maintaining view, includes an Anti-Theft Mechanism for safety.
- Easy installation with a quick-snap bracket, suited for 22"-36" wide single or double-hung windows, requires minimal height of 13.75".
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- U-shape design minimizes external noise, operating at low as 32 dBA, significantly quieter than conventional units.
- Advanced DC Inverter technology enables over 35% energy savings and meets ENERGY STAR certification standards.
- Wi-Fi connectivity allows control via SmartHome app and compatibility with Alexa and Google Assistant.
- Unique design permits window opening for fresh air while maintaining view, includes an Anti-Theft Mechanism for safety.
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#9
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- 3-in-1 window air conditioner suitable for rooms up to 250 sq ft, with 6,000 BTU cooling power and 3 fan speeds, plus moisture removal capability of 1.3 pints/hour
- Washable dust filter ensures efficient operation and includes an alert for cleaning
- Programmable timer allows scheduling of on/off cycles in half-hour increments for optimal comfort
- Sleep mode gradually adjusts room temperature for comfort during the night while minimizing noise
- Remote control with built-in thermostat for precise temperature and fan speed management from a distance
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- 3-in-1 window air conditioner suitable for rooms up to 250 sq ft, with 6,000 BTU cooling power and 3 fan speeds, plus moisture removal capability of 1.3 pints/hour
- Washable dust filter ensures efficient operation and includes an alert for cleaning
- Programmable timer allows scheduling of on/off cycles in half-hour increments for optimal comfort
- Sleep mode gradually adjusts room temperature for comfort during the night while minimizing noise
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#10
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- 5,000 BTU capacity effectively cools rooms up to 150 square feet, suitable for bedrooms, offices, and small living spaces.
- Two cooling levels and two fan-only speeds provide tailored comfort for different conditions.
- Utilizes R32 refrigerant for better energy efficiency, reducing environmental impact and promoting longer product life.
- Simple installation with included hardware; features a removable, washable filter for easy maintenance.
- Compact dimensions (15.98" x 13.19" x 12.05") fit standard double hung windows, ensuring effective cooling in tight spaces.
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- 5,000 BTU capacity effectively cools rooms up to 150 square feet, suitable for bedrooms, offices, and small living spaces.
- Two cooling levels and two fan-only speeds provide tailored comfort for different conditions.
- Utilizes R32 refrigerant for better energy efficiency, reducing environmental impact and promoting longer product life.
- Simple installation with included hardware; features a removable, washable filter for easy maintenance.
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