10 Best window air conditioner for sliding windows of 2025

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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

Durastar
Durastar DRCAC101XNA1 10,000 BTU 115V Casement Air Conditioner - White
Main highlights

Efficient Cooling for Medium Spaces
The DRCAC101XNA1 offers 10,000 BTU cooling for 400-450 sq ft.

Perfect for Sliding Windows
Specifically designed for left-to-right sliding window installation.

Highly Rated Energy Efficiency
With an EER of 10.4, it's praised for energy savings.
Key specs
- floor area:400 to 450 sq ft
- installation:Casement windows only
- noise:67.5 dB
- special features:Dehumidifier, Sleep Mode
- voltage:115 Volts
9.8

Exceptional

Our Rating
3

Soleus Air
Soleus Air Sliding Window Kit, Reinforced Aluminum Works Exclusive with the Soleus Over The Sill (Saddle) Air Conditioner (Air Conditioner Not Included)
Main highlights

Adjustable_Design_Fits_Most_Windows
The Soleus Air Sliding Window Kit is adjustable, fitting horizontal sliding windows from 28.5 to 48 inches.

Ideal_for_Horizontal_Sliding_Windows
Perfect for homes with horizontal sliding windows, ensuring a seamless fit and efficient cooling.

Praised_for_View_Retention
Customers appreciate that it maintains the window view while housing the AC unit.
9.6

Exceptional

Our Rating

9.9
Durability

9.5
Remote Control

9.1
Easy installation
4

GE
GE Window Air Conditioner Unit, 6,000 BTU for Small Rooms up to 250 sq ft. with Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White
Main highlights

Efficient Cooling for Small Spaces
The GE 6000 BTU air conditioner effectively cools rooms up to 250 sq ft, making it ideal for bedrooms and small apartments.

Perfect for Nighttime Use
Low-noise operation ensures a peaceful environment, ideal for bedrooms or home offices requiring minimal disruption.

Easy Installation and Maintenance
Comes with an EZ Mount installation kit and a slide-out filter for hassle-free setup and cleaning.
Key specs
- floor area:250 Square Feet
- installation:Window, EZ Mount
- noise:56 dB
- special features:3 cooling modes
- voltage:115 Volts
9.5

Excellent

Our Rating
5

UNAOIWN

Portable Air conditioner Window Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for Unit, AC Window Vent Seal Suitable for 5.9” AC Exhaust Hose

17% Off
9.4

Excellent

Our Rating

9.1
Easy installation

9.1
lasts a long time

8.7
worth the money
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6

Loviga
Loviga Portable Air Conditioner Window Kit, Window Vent Kit Seal Kit for Portable Air Conditioner Dryer, 10x40~64 Inch Length Adjustable 2022 Upgraded 100% Sealing Waterproof Easy to Install
Main highlights

Adjustable Universal Fit
The LOVIGA Portable AC Window Seal Kit fits all portable ACs and air dryers, adjustable from 25-162cm for versatile home use.

Perfect for Sliding Windows
Ideal for horizontal or vertical sliding windows, ensuring a snug fit for single-hung and double-hung designs.

Simple Installation Praised
Customers appreciate the easy installation, often completed in minutes without complex tools or instructions.
Key specs
- color:Window-25x162cm 10x64
- material:Polyster
- installation:Sliding/Hung Window
- special features:100 Sealing Effect, Easy Install, Sunlight Reflection, Fast Cooling
- dimensions:Window-25X162cm 10X64
9.3

Excellent

Our Rating

9.3
Easy installation

9.1
worth the money

8.7
lasts a long time
7

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

40% 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
- wattage:840.00
- special features:Portable, Remote control
- noise level:52 dB
- cooling capacity:5100BTU DOE/8500BTU ASHRAE
9.2

Excellent

Our Rating
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
9.1

Excellent

Our Rating
9

JEACENT
JEACENT Portable Air Conditioner Sliding Door AC Vent Kit, Universal Adjustable PVC Balcony Seal Kit Plates Up to 90 Inches, for 5.1" and 5.9" Diameter Portable AC Exhaust Hose
Main highlights

Key Features
Universal fit for 5.1/5.9 inch hoses, easy installation, seamless design for optimal insulation, and sturdy PVC construction for enhanced durability.

Ideal Use Cases
Perfect for sliding doors/windows, enhancing portable AC efficiency, and ideal for renters seeking a non-permanent cooling solution.

Customer Praise
Most reviews highlight the kit`s ease of installation and effectiveness in keeping rooms cool and insulated, leading to energy savings.
Key specs
- color:White
- material:PVC
- installation:Window
- special features:Portable
- dimensions:17.1 x 7.5 x 7.3 inches
8.9

Very Good

Our Rating

8.4
lasts a long time

8.2
Durability

8.0
Easy installation
10

Midea

Midea MAW08V1QWT U-Shaped AC Window Air Conditioner

22% Off
8.7

Very Good

Our Rating

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

Durastar DRCAC101XNA1 10,000 BTU 115V Casement Air Conditioner - White

3

Soleus Air Sliding Window Kit, Reinforced Aluminum Works Exclusive with the Soleus Over The Sill (Saddle) Air Conditioner (Air Conditioner Not Included)

9.9

9.5

9.1

4

GE Window Air Conditioner Unit, 6,000 BTU for Small Rooms up to 250 sq ft. with Adjustable Fan and Cooling Settings, Perfect for Small Bedroom or Living Room, Easy Install Kit Included, White

5

Portable Air conditioner Window Kit, Adjustable Vertical/Horizontal Sliding Window Kit Plate for Unit, AC Window Vent Seal Suitable for 5.9” AC Exhaust Hose

9.1

9.1

8.7

6

Loviga Portable Air Conditioner Window Kit, Window Vent Kit Seal Kit for Portable Air Conditioner Dryer, 10x40~64 Inch Length Adjustable 2022 Upgraded 100% Sealing Waterproof Easy to Install

9.3

9.1

8.7

7

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

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

JEACENT Portable Air Conditioner Sliding Door AC Vent Kit, Universal Adjustable PVC Balcony Seal Kit Plates Up to 90 Inches, for 5.1" and 5.9" Diameter Portable AC Exhaust Hose

8.4

8.2

8.0

10

Midea MAW08V1QWT U-Shaped AC Window Air Conditioner

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