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10 Best Window Ac Unit For Sliding Window 2025 in the United States
#1
Winner
Midea MAW08V1QWT U-Shaped AC Window Air Conditioner
The Midea MAW08V1QWT is an 8,000 BTU window air conditioner designed for single or double-hung windows between 22 to 36 inches wide and at least 13.75 inches high, making it suitable for many sliding windows. Its standout feature is the unique U-shaped design that allows the window to stay partially open, so you can enjoy fresh air and maintain your view. This model runs very quietly at just 32 decibels, thanks to its inverter technology, making it one of the quietest window AC units available.
Rating
9.8
Chosen by1,185
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Window Compatibility
Most important from
357 reviews
#2
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
The Midea Duo 14,000 BTU Portable Air Conditioner offers impressive cooling capacity, making it suitable for rooms up to 550 sq. ft. The innovative hose-in-hose design enhances air circulation and prevents hot air from entering, which is a significant advantage for maintaining cool temperatures indoors. Additionally, the unit boasts an inverter technology that ensures high energy efficiency, saving up to 40% more energy compared to standard portable units, making it a cost-effective option for long-term use.
Rating
9.6
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Window Compatibility
Most important from
6299 reviews
#3
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
The GE 5100 BTU Window Air Conditioner is a solid choice for cooling small rooms up to 150 square feet, such as bedrooms, studios, or small offices. Its capacity is well suited for these spaces, providing efficient cooling without excessive power. Installation is straightforward with the included EZ Mount kit, designed for double-hung windows that fit within the specified size range.
Rating
9.4
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Window Compatibility
Most important from
11276 reviews
Top 10 Best Window Ac Unit For Sliding Window 2025 in the United States
#1
Winner
Midea MAW08V1QWT U-Shaped AC Window Air Conditioner
Midea MAW08V1QWT U-Shaped AC Window Air Conditioner
Cooling Capacity (BTUs): 8000 BTUs
Window Compatibility: Fits 22-36 inch wide windows
Noise Level: 32 dB
Additional Features: Remote, Dust Filter, Dehumidifier
Chosen by 1185 this week
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
Cooling Capacity (BTUs): 14000
Window Compatibility: may require modifications for sliding windows
Noise Level: 42 dB
Additional Features: Heating, Dust Filter, Wi-Fi, inverter
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
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
Cooling Capacity (BTUs): 5100 BTUs
Window Compatibility: double-hung windows
Noise Level: 56 dB
Additional Features: Washable filter, EZ Mount, 2 modes
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
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
Cooling Capacity (BTUs): 5000
Energy Efficiency Ratio (EER): 11.0
Window Compatibility: 23” to 36” wide, 13” high
Noise Level: 57 dB
Additional Features: Dust Filter, Fast Cooling
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
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
Cooling Capacity (BTUs): 5000
Energy Efficiency Ratio (EER): 11
Window Compatibility: Sliding windows with adjustable panels
Noise Level: 52 dB
Additional Features: Dust filter, adjustable panels, auto-restart
Related Products
Up to 19% off
LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White
LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White
Cooling Capacity (BTUs): 8000
Noise Level: 53 dB
Additional Features: remote_control, Auto Cool, digital control
LG 10,000 BTU Smart Window Air Conditioner, 115V, Cools 450 Sq. Ft. for Bedroom, Living Room, Apartment, Dual Inverter, Quiet Operation, Energy Star, works with LG ThinQ, Amazon Alexa and Hey Google
LG 10,000 BTU Smart Window Air Conditioner, 115V, Cools 450 Sq. Ft. for Bedroom, Living Room, Apartment, Dual Inverter, Quiet Operation, Energy Star, works with LG ThinQ, Amazon Alexa and Hey Google
Cooling Capacity (BTUs): 10000 British Thermal Units
Window Compatibility: fits most sliding windows
Noise Level: 58 dB
Additional Features: Remote, Filter Light, Inverter, WiFi, Dehumidifier
#10
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Buying Guide for the Best Window Ac Unit For Sliding Window
Choosing the right window air conditioning unit for a sliding window can make a significant difference in your comfort during hot weather. The key is to find a unit that fits your window dimensions, cools your space efficiently, and meets your specific needs. Here are some important specifications to consider when selecting a window AC unit for a sliding window.Cooling Capacity (BTUs)Cooling capacity, measured in British Thermal Units (BTUs), indicates how much heat the unit can remove from a room per hour. This is crucial because it determines how effectively the unit can cool your space. Units with lower BTUs (5,000-8,000) are suitable for small rooms (100-350 sq. ft.), medium BTUs (8,000-12,000) for medium rooms (350-550 sq. ft.), and higher BTUs (12,000-18,000) for larger rooms (550-1,000 sq. ft.). To pick the right one, measure your room size and choose a unit with the appropriate BTU rating to ensure efficient cooling.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently the air conditioner uses energy to cool a room. A higher EER means better energy efficiency, which can lead to lower electricity bills. EER values typically range from 8 to 12. For the best energy savings, look for units with an EER of 10 or higher. If you plan to use the AC frequently, investing in a higher EER unit can be more cost-effective in the long run.
Window CompatibilityWindow compatibility refers to whether the AC unit can fit and be securely installed in your sliding window. Sliding window AC units are designed to fit vertically, so it's important to measure your window's height and width to ensure the unit will fit. Check the product specifications for the minimum and maximum window dimensions the unit can accommodate. Choosing a unit that fits well will ensure proper installation and efficient operation.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the unit will be when operating. This is important for maintaining a comfortable environment, especially if the unit will be used in a bedroom or living area. Noise levels typically range from 50 to 70 dB. For a quieter experience, look for units with noise levels below 60 dB. Consider your tolerance for noise and where the unit will be placed when making your choice.
Additional FeaturesAdditional features can enhance the convenience and functionality of your AC unit. Common features include remote control, programmable timer, sleep mode, and energy-saving mode. These features can make it easier to operate the unit and improve energy efficiency. Think about which features are important to you and how they will fit into your lifestyle. For example, a programmable timer can help you save energy by automatically turning the unit off when it's not needed.