With so many Best Sliding Window Air Conditioner brands on the market – from prominent names like Amazon Basics,Keystone,Vortxx,Air Future,Soleus Air to smaller manufacturers – making the right choice can feel overwhelming. But we’re here to help simplify your search for the best product.
We extensively tested and evaluated dozens of top-rated Best Sliding Window Air Conditioner across various price points, spending over 100 hours comparing the contenders side-by-side. Based on our in-depth first-hand research, we compiled this list of stand-out Best Sliding Window Air Conditioner to consider. Our top recommendation is Amazon Basics Best Sliding Window Air Conditioner for its uncompromising quality and performance.
Below you’ll discover more of our favorite Best Sliding Window Air Conditioner picks. And be sure to consult our buying guide for expert insights on selecting the ideal product for your individual needs and budget. With us guiding your decision, you can shop confidently knowing you’ve chosen an exceptional Best Sliding Window Air Conditioner you’ll truly love.
Editor's Choice
Amazon Basics 5000-BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and
Premium Pick
Keystone 10,000 BTU Slider Window Air Conditioner and Dehumidifier, 115V Air Conditioner Window Unit
Budget Pick
Aluminum Sliding Window Kit for Horizontal Sliding Windows, For Saddle, U-type, and Conventional Air
Top 10 Best Sliding Window Air Conditioner
We researched and compared the top products in the Best Sliding Window Air Conditioner category to provide you with these recommendations.
1. Amazon Basics 5000-BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and
- EFFICIENT COOLING: 5000 BTU cooling capacity ideal for rooms up to 150 sq. ft. - perfect for bedrooms, home offices, or small living spaces. Two-in-one functionality with cooling and fan-only modes
- SMART MAINTENANCE: Equipped with an easy-access, washable filter that captures dust and allergens.
- CUSTOMIZABLE COMFORT: Features 7 precise temperature settings, 2-speed cooling and fan modes, and 2-way air direction control for personalized comfort
- QUIET OPERATION: Low noise level up to 56 dB creates a peaceful environment suitable for sleeping and working
- QUICK INSTALLATION: Fits standard windows 23"-36" wide and minimum 13" high. Comes with expandable side panels and complete mounting kit. Basic tools required for installation (screwdriver not included)
2. Keystone 10,000 BTU Slider Window Air Conditioner and Dehumidifier, 115V Air Conditioner Window Unit
- Casement Window Air Conditioner: This Keystone vertical air conditioner fits your standard sliding and casement windows; It is rated 10,000 BTUs and best used in a room up to 450 square feet
- Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a timer; Aside from cooling, 0.9 pints of moisture from the air is removed every hour with the built-in dehumidification system
- Control Your Comfort: 4-way air direction control allows you to direct the air where you need it most for optimal comfort
- Powerful Cooling on a Budget: Our sliding window air conditioner will give your electric bill a break by using the 'Energy Saver' or 'Sleep' mode; These features automatically program your unit to use less energy
- Easy to Use: Designed with a removable chassis so you can install it either in a window or through an exterior wall; An adjustable window kit is included for convenient installation; Minimum window height: 21.3"; Minimum to Maximum window width: 15.5"-16.3"
3. Aluminum Sliding Window Kit for Horizontal Sliding Windows, For Saddle, U-type, and Conventional Air
- Flexible Design - Works with most types of window air conditioners such as: Over the sill (saddle) types, conventional (rectangular) types, and u-shaped types.
- Adjustable Size - This horizontal sliding window frame is adjustable to fit most sized windows. With a minimum height of 24 and a maximum height of 43.
- Easy to Install - No drilling or difficult cutting involved. Simply place the window kit into your opening (with with the AC installed), adjust to fit and tighten the lock screws.
- No more plywood! - Keep your view while enjoying the cool AC in the comfort of your home. No ugly plywood or makeshift cover needed to install a window AC onto a horizontal sliding window anymore
- Comfort with a View - Our window kit features 4mm thick clear acrylic for optimal sound and temperature insulation.
- in your kit. Including a window lock that helps keep the window kit in place and reduces the likelihood of outside intrusion.
4. Keystone 8,000 BTU Slider Window Air Conditioner and Dehumidifier, 115V Air Conditioner Window Unit
- Convenient Cooling: This Keystone slider window air conditioner fits your standard sliding and casement windows; It is rated 8,000 BTUs and best used in a room up to 350 square feet
- Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 0.9 liters of moisture from the air is removed every hour with the built-in dehumidification system
- Control Your Comfort: 4-way air direction control allows you to direct the air where you need it most for optimal comfort
- Powerful Cooling on a Budget: Our window air conditioner will give your electric bill a break by using the 'Energy Saver' or 'Sleep' mode; These features automatically program your unit to use less energy
- Easy to Use: Designed with a removable chassis so you can install it either in a window or through an exterior wall; An adjustable window kit is included for convenient installation; Minimum window height: 21.3"; Minimum to Maximum window width: 15.5" to 16.3"
5. 10,000 BTU Portable Air Conditioners, Portable AC With Remote for Room to 450 sq.ft 3 in 1 Air
- POWERFUL COOLING CAPACITYThe 10,000 BTU portable air conditioners will provide powerful cooling air for rooms up to 450 sq. ft. Its a portable ac unit with wheels for rooms like living room,office, bedroom, kitchen, storeroom, garage, etc, helping to create a comfortable atmosphere in hot summer. The settable cooling temperature is between 61 - 90
- 3-IN-1 FUNCTIONAL ACThis portable ac acts as a fan, air cooler and dehumidifier. These three modes can be switched randomly to not only release cold wind or cold air but also reduce air moisture to provide you and your family a healthy indoor environment
- HIGH INTELLIGENT OPERATIONOur ac unit portable feature an easily-read deluxe PCB display and a big soft-touch control panel, which could be effortlessly switched the power, mode, fan speed, temperature, timer and lock setting. Besides it, you could operate this portable room air conditioner via remote control
- SAFETY & MONEY SAVINGLong-pressing the Lock key takes about 3 seconds to activate the child-lock function to protect the child from accidental injury. The portable air conditioner features a self-evaporative system to improve cooling efficiency. In addition, the EER of this AC is Class A
- EASY TO INSTALL AND MOVEThe exhaust hose, hose connector, window kit and window kit adapter are included in the package, you could easily assemble or disassemble the indoor portable air conditioner by reading the instruction book. The dimension and weight of this portable ac unit are 12.4 x 12.2 x 27.6 inches and 55 lbs respectively. The weight is light, combined with its 360 rotatable casters, this room ac air conditioner unit can be moved to differe
6. Soleus Air Sliding Window Kit, Reinforced Aluminum Works Exclusive with the Soleus Over The Sill
- ADJUSTABLE TO SIZE - Suitable for all Soleus Air Exclusive Hybrid Saddle Air Conditioners. Hybrid air conditioner window seal kit for horizontal sliding windows is adjustable and can be customized to fit most horizontal gliding window sizes. It fits horizontal sliding windows (both single and double hung windows) from a minimum height of 23.5 inches to a max height of 43 inches. Easily lock the strong aluminum frame in place with the tightening of the screws.
- EASY TO INSTALL no drilling or difficult installation process. Just measure the height of your window with the Hybrid AC installed, attach the two panels with the 4 screws to the desired height, install the foam insulation around all four edges, place the panels in the window and enjoy your view outside!
- KEEP THE VIEW With the Horizontal sliding window kit you can always enjoy the view outside or enjoy the natural light through the high quality plexiglass while still maintaining the high efficiency of the Hybrid AC unit.
- NO TOOLS REQUIRED- Everything needed for the Horizontal Sliding Window Kit comes in the box as the full kit. No need for extra tools or equipment. Ready for immediate installation.
- ENERGY EFFICIENT- The window kit will include high quality insulation that will wrap around the full window kit for a tight seal for enhanced energy efficiency.
- WINDOW KIT LOCK - All window kits now come with a lock included to help reduce the chances of outside intrusion.
7. BLACK+DECKER Portable Air Conditioner, 8,000 BTU (3,950 BTU SACC) for Rooms up to 400 Sq. Ft.,
- Three-in-One Unit: Our 8000 BTU (3,950 BTU SACC) air conditioner also functions as a dehumidifier & fan. This portable air conditioner has a full function remote control & top mounted control panel with LED display
- Portable AC: Use this personal air conditioner (15.3 x 14 x 24.8) in rooms up to 400 sq. ft. Stay cool in the hot summer months and sleep well with this BLACK+DECKER ac unit for bedroom
- Follow Me Remote: Our portable AC unit comes with a full function remote control that features a FOLLOW ME function, which allows the remote to act as a thermostat for precise temperature control
- Easy Mobility: Thanks to casters on the bottom and side handles on both sides of the small air conditioner, this air cooler can be moved from room to room without any hassle
- Installation Kit: When it comes to fans that blow cold air, this indoor ac unit includes an easy-to-install window kit. A large, vented airflow outlet ushers in cool air
8. FHSC102WB1
- Multi-Speed Fan: Features three different fan speeds, for more cooling flexibility.
9. Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with
- ULTRA QUIET - The U-shape design of Midea U Smart Inverter air conditioner uses your window to block noise outside. The highly-efficient inverter system warrants ultra-low noise and vibration, 10x quieter than traditional units with operation as low as 32 dBA. Cooling Watts: 710W, Rated Cooling Amps (AHAM): 8.78.Airflow (CFM) Roomside (hi low): 215/150. Refrigerant: R32.
- MORE THAN 37% ENERGY SAVINGS - With the advanced DC Inverter technology, Midea U window air conditioner achieves over 35% energy savings compared to other traditional units. It is the first window AC to obtain the ENERGY STAR Certification.
- SMART CONTROL - Midea U Smart Inverter air conditioner is Wi-Fi enabled and can be controlled from anywhere using the SmartHome app on iOS or Android. You can also use voice commands throughout your house, office, or apartment using Alexa or Google Assistant devices.
- FLEXIBLE WINDOW OPENING - The U-shaped design allows your window to open, bringing fresh air into your home and maintaining more of your view when the window air conditioner is installed. When the window is closed, the Anti-Theft Mechanism locks the window for added safety.
- ROBUST INSTALLATION - Install the included quick-snap bracket, set the air conditioner on the bracket, and secure the sidearms. Then you are all done and ready to enjoy. Available for single-hung or double-hung windows with width 22"-36", minimal height at 13.75".
10. Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 450 Sq Ft, Ultra Quiet with
- ULTRA QUIET - The U-shape design of Midea U Smart Inverter AC uses your window to block noise outside. The highly-efficient inverter system warrants ultra-low noise and vibration, 10x quieter than traditional units with operation as low as 32 dBA. Cooling Watts: 890W. Rated Cooling Amps (AHAM): 9.97. Control Type: Electronic. Refrigerant: R32.
- MORE THAN 35% ENERGY SAVINGS - With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units. It is the first window AC to obtain the ENERGY STAR Certification.
- SMART CONTROL - Midea U Smart Inverter AC is Wi-Fi enabled and can be controlled from anywhere using the SmartHome app on iOS or Android. You can also use voice commands throughout your house, office, or apartment using Alexa or Google Assistant devices.
- FLEXIBLE WINDOW OPENING - The U-shaped design allows your window to open, bringing fresh air into your home and maintaining more of your view when the unit is installed. When the window is closed, the Anti-Theft Mechanism locks the window for added safety.
- ROBUST INSTALLATION - Install the included quick-snap bracket, set the unit on the bracket, and secure the sidearms. Then you are all done and ready to enjoy. Available for single-hung or double-hung windows with width 22"-36", minimal height at 13.75".
Michel
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