10 Best small window ac units of 2025

Save up to 22% off

Best Choice

1

Windmill

Windmill 10,000 BTU Inverter Window Air Conditioner with WhisperTech - Ultra-Quiet & Smart, Cools up to 450 Sq. Ft. - Easy Install, App/Wi-Fi, Voice-Enabled, Remote Control, High Energy Efficiency
9.8

Exceptional

Our Rating
How do we rank?

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

2

Della
DELLA 10000 BTU Energy Saving Window Air Conditioner, Work with Alexa, Cools Up to 450 Sq. Ft, GEO Location, AC Unit with WIFI Smart Controls, Remote, Dehumidifier, Fan, Reusable Filter, Easy Install
Main highlights

Key Features
Energy-efficient with a CEER of 10.9, smart design with app control, quiet operation, and easy installation for up to 450 sq. ft. coverage.

Ideal Use Cases
Perfect for cooling single bedrooms, large living rooms, offices, or apartments quickly and efficiently on hot summer days.

Customer Reviews Highlight
Most reviews praise its whisper-soft operation, making it ideal for uninterrupted sleep, reading, or watching TV.
9.7

Exceptional

Our Rating

8.7
Easy installation

8.0
Efficient Energy Use

8.0
Remote Control
3

Frigidaire
Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

16% Off
Main highlights

Effortless Temperature Control
Maintains preset room temperature with button control for consistent comfort.

Ideal for Small Spaces
Perfect for cooling rooms up to 150 square feet efficiently.

Praised for Quiet Operation
Customers love its quiet performance and effective cooling.
9.6

Exceptional

Our Rating

9.7
Comfort

8.2
worth the money

8.2
Efficient Energy Use
4

Midea
Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 350 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

15% Off
Main highlights

Ultra Quiet Operation
The Midea U Smart Inverter AC operates at just 32 dBA, making it significantly quieter than traditional units.

Energy Savings and Efficiency
Achieves over 35% energy savings with advanced DC inverter technology, earning ENERGY STAR Most Efficient Certification.

Smart Control and Security
Wi-Fi enabled with Alexa/Google Assistant compatibility and advanced security features for safe ground floor installation.
9.5

Excellent

Our Rating

9.3
Efficient Energy Use

9.3
Noise level

9.1
worth the money
5

Amazon Basics
Amazon Basics Window Air Conditioner, 5000 BTU, Cools up to 150 Sq. Ft., White AC Unit, Mechanical Control
Main highlights

Compact Efficiency
5000 BTU unit efficiently cools rooms up to 150 sq ft, ideal for small spaces.

Versatile Application
Perfect for dorm rooms, RVs, and small bedrooms needing efficient cooling.

Customer Praised Performance
Highly effective in extreme heat, quickly cooling spaces even in triple-digit temperatures.
9.4

Excellent

Our Rating

8.4
Easy installation

8.0
worth the money

8.0
Noise level
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6

Midea
Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

15% Off
Main highlights

Efficient Cooling for Small Spaces
Midea 5,000 BTU AC efficiently cools rooms up to 150 sq. ft.

Perfect for Bedrooms and Offices
Ideal for small bedrooms, living rooms, and home offices.

Impressive Cooling Performance
Users praise its ability to lower room temperature quickly.
9.3

Excellent

Our Rating

9.3
Easy installation

9.1
worth the money

8.2
Power saving mode
7

Frigidaire
Frigidaire FHWC054TE1 Window Air Conditioner, 5000 BTU Electronic Controls

22% Off
Main highlights

Compact and Efficient Cooling
Features 5,000 BTU capacity, ideal for small rooms, providing efficient cooling with low energy consumption.

Perfect for Small Spaces
Ideal for RVs, travel trailers, and small rooms up to 150 sq. ft.

Quiet Operation Praised
Customers love the quiet operation, making it perfect for bedrooms and overnight use.
9.1

Excellent

Our Rating

9.7
Comfort

8.0
worth the money

8.0
Efficient Energy Use
8

ROVSUN
ROVSUN Smart 6000 BTU Window Air Conditioner with WiFi, Energy Saving Window AC Unit with Remote & App Control & Timer Function & Easy Install Kit, for Rooms up to 250 Square Feet, 115V/60Hz, White

15% Off
Main highlights

Key Features and Benefits
Efficient 6,000 BTU cooling, easy operation via LED display, remote, or app. Energy-saving with eco-friendly design. Simple assembly with 1-year warranty.

Ideal Use Cases
Perfect for compact spaces up to 250 sq ft like homes, offices, or apartments. Excels in quick cooling and energy-efficient operation.

Customer Reviews Highlight
Most praised for its rapid cooling ability, ease of installation, and the convenience of multiple operation modes.
9.0

Excellent

Our Rating

8.0
Efficient Energy Use

8.0
Remote Control

8.0
worth the money
9

Senville
Senville 6,000 BTU Window Air Conditioner, Cools Up to 250 Sq. Ft., Easy to Use, Washable Filter
Main highlights

Efficient Cooling for Small Spaces
6,000 BTU capacity effectively cools rooms up to 250 sq. ft.

Perfect for Bedrooms and Offices
Ideal for cooling bedrooms, living rooms, and small offices.

Highly Rated for Ease of Use
Customers praise its user-friendly controls and easy maintenance.
8.9

Very Good

Our Rating
10

Frigidaire

Frigidaire FHWW084TE1 Smart Window Air Conditioner, 8000 BTU

22% Off
8.7

Very Good

Our Rating

10 Best small window ac units of 2025

1

Windmill 10,000 BTU Inverter Window Air Conditioner with WhisperTech - Ultra-Quiet & Smart, Cools up to 450 Sq. Ft. - Easy Install, App/Wi-Fi, Voice-Enabled, Remote Control, High Energy Efficiency

2

DELLA 10000 BTU Energy Saving Window Air Conditioner, Work with Alexa, Cools Up to 450 Sq. Ft, GEO Location, AC Unit with WIFI Smart Controls, Remote, Dehumidifier, Fan, Reusable Filter, Easy Install

8.7

8.0

8.0

3

Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

9.7

8.2

8.2

4

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 350 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

9.3

9.3

9.1

5

Amazon Basics Window Air Conditioner, 5000 BTU, Cools up to 150 Sq. Ft., White AC Unit, Mechanical Control

8.4

8.0

8.0

6

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

9.3

9.1

8.2

7

Frigidaire FHWC054TE1 Window Air Conditioner, 5000 BTU Electronic Controls

9.7

8.0

8.0

8

ROVSUN Smart 6000 BTU Window Air Conditioner with WiFi, Energy Saving Window AC Unit with Remote & App Control & Timer Function & Easy Install Kit, for Rooms up to 250 Square Feet, 115V/60Hz, White

8.0

8.0

8.0

9

Senville 6,000 BTU Window Air Conditioner, Cools Up to 250 Sq. Ft., Easy to Use, Washable Filter

10

Frigidaire FHWW084TE1 Smart Window Air Conditioner, 8000 BTU

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