10 Best window air conditioner for sliding windows of 2025

Save up to 46% off

Best Choice

1

PerfectAire
Perfect Aire 10,000 Slider Air Conditioner Window A/C-Casement, 10000 BTU, Gray
Main highlights

Key Features
10,000 BTU capacity, includes remote control, auto-restart, and multiple modes. Offers full air direction control and easy filter access.

Ideal Use Cases
Perfect for cooling rooms efficiently with energy saver mode, and operates quietly in sleep mode for overnight comfort.

Customer Reviews Summary
Most praised for its efficient cooling, ease of installation, and the convenience of the included remote control.
9.9

Exceptional

Our Rating

8.4
Efficient Energy Use

8.4
Remote Control

8.0
Easy installation
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Value for Money

2

Frigidaire
FHSC102WB1
Main highlights

Key Features
Offers cooling flexibility with three fan speeds. Ideal for varying temperature needs and energy efficiency.

Ideal Use Cases
Perfect for home, office, or outdoor settings needing adaptable cooling options. Excels in fluctuating weather conditions.

Customer Reviews
Most praised for its quiet operation across all speeds, enhancing comfort without disruptive noise.
Key specs
- floor area:450 Square Feet
- installation:Window Kit
- noise:56 dB
- special features:Multi-Speed Fan
- voltage:115 Volts AC
9.8

Exceptional

Our Rating

8.7
Remote Control

8.0
Efficient Energy Use

8.0
Noise level
3

SereneLife
3-in-1 Portable Air Conditioner with Built-in Dehumidifier Function,Fan Mode, Remote Control, Complete Window Mount Exhaust Kit

41% Off
Main highlights

Portable Design with Wheels
Lightweight and sleek design with rolling wheels for easy mobility.

Ideal for Small Rooms
Perfect for cooling bedrooms, living rooms, or small offices quickly.

Efficient Customer Service
Praised for excellent customer service and prompt issue resolution.
9.6

Exceptional

Our Rating

9.5
Remote Control

9.3
Easy installation

9.3
Maneuverability
4

GE
GE Window Air Conditioner Unit, 5,000 BTU for Small Rooms up to 150 sq ft. with Manual Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White

12% Off
Main highlights

Efficient Cooling for Small Spaces
5000 BTU capacity efficiently cools rooms up to 150 sq ft.

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

Quiet Operation Praised by Users
Low-noise operation is highly appreciated for nighttime use.
Key specs
- floor area:150 Square Feet
- installation:EZ Mount installation kit
- noise:56 dB
- special features:2 cooling modes
- voltage:115 Volts
9.5

Excellent

Our Rating
5

Coolblus
8500 BTU Portable Air Conditioners Cool Up to 360 Sq.Ft,3 IN 1 portable ac unit with Remote Control/LED Display/24Hrs Timer/Window Installation Kit & Screwdriver,White

36% Off
Main highlights

Energy Efficient Cooling
8500 BTU unit cools 360 sq.ft. quickly, eco-friendly.

Versatile Use Scenarios
Ideal for bedrooms, living rooms, and offices.

Quiet Sleep Mode
Customers love the ultra-low noise level for sleeping.
Key specs
- floor area:360 Square Feet
- special features:Portable, Remote control
- noise level:52 dB
- cooling capacity:5100BTU DOE/8500BTU ASHRAE
- wattage:840.00
9.4

Excellent

Our Rating
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6

BLACK+DECKER
BLACK+DECKER Portable Air Conditioner, 9,000 BTU (5,300 BTU SACC) for Rooms up to 400 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT08WT, White

46% Off
Main highlights

Compact Design and Portability
The BLACK+DECKER 8,000 BTU Portable AC is compact, easy to move, and ideal for cooling rooms up to 350 sq. ft.

Perfect for Small Rooms
Best suited for bedrooms or small office spaces, providing effective cooling in areas up to 350 sq. ft.

Praised for Cooling Efficiency
Customers appreciate its ability to quickly cool rooms and maintain a comfortable temperature, even in challenging conditions.
Key specs
- floor area:350 sq. ft.
- special features:Dehumidifier & fan
- noise level:54 dB
- cooling capacity:4,100 BTU DOE
- wattage:N/A
9.1

Excellent

Our Rating

8.7
Easy installation

8.7
Easy to build

8.2
Remote Control
7

Frigidaire
Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

15% 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.
8.8

Very Good

Our Rating

9.7
Comfort

8.2
worth the money

8.2
Efficient Energy Use
8

ZAFRO

ZAFRO Portable Air Conditioners, 10000 BTU, 3 in 1 Portable AC Unit with Window Kits, Fan & Dehumidifier Modes, Cools up to 450 Sq.Ft, LED Display/Remote Control, 24H Timer for Living Room, Bedroom

23% Off
8.7

Very Good

Our Rating
9

Midea

Midea MAW08V1QWT U-Shaped AC Window Air Conditioner

22% Off
8.5

Good

Our Rating
10

Amazon Basics
Amazon Basics 5000-BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Kit, Intuitive Mechanical Controls, White

31% Off
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.
8.4

Good

Our Rating

8.4
Easy installation

8.0
worth the money

8.0
Noise level

10 Best window air conditioner for sliding windows of 2025

1

Perfect Aire 10,000 Slider Air Conditioner Window A/C-Casement, 10000 BTU, Gray

8.4

8.4

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

FHSC102WB1

8.7

8.0

8.0

3

3-in-1 Portable Air Conditioner with Built-in Dehumidifier Function,Fan Mode, Remote Control, Complete Window Mount Exhaust Kit

9.5

9.3

9.3

4

GE Window Air Conditioner Unit, 5,000 BTU for Small Rooms up to 150 sq ft. with Manual Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White

5

8500 BTU Portable Air Conditioners Cool Up to 360 Sq.Ft,3 IN 1 portable ac unit with Remote Control/LED Display/24Hrs Timer/Window Installation Kit & Screwdriver,White

6

BLACK+DECKER Portable Air Conditioner, 9,000 BTU (5,300 BTU SACC) for Rooms up to 400 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT08WT, White

8.7

8.7

8.2

7

Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

9.7

8.2

8.2

8

ZAFRO Portable Air Conditioners, 10000 BTU, 3 in 1 Portable AC Unit with Window Kits, Fan & Dehumidifier Modes, Cools up to 450 Sq.Ft, LED Display/Remote Control, 24H Timer for Living Room, Bedroom

9

Midea MAW08V1QWT U-Shaped AC Window Air Conditioner

10

Amazon Basics 5000-BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Kit, Intuitive Mechanical Controls, White

8.4

8.0

8.0

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