10 Best Quiet Air Conditioner of December 2025

• More than 35% Energy Savings: With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units, and it's the first window AC to obtain the ENERGY STAR Most Efficient 2020 Certification. You may also get exclusive benefits from your local energy distributor
• Extreme Quiet: 9 times quieter than some traditional units. The U-shape blocks the noise from the cooling system using your window. This design allows for extremely quiet operation as low as 42 dBA - almost as quiet as a library – so you can get a restful night’s sleep or binge your favorite shows undisturbed
• Flexible window open: Midea U-shaped design allows your window to open, bringing fresh air into your home anytime allowing you to maintain more of your view
• Smart Control: The Midea U is Wi-Fi- enabled, it can be controlled from anywhere through the cloud using the MideaAir app on iOS or Android. You can also use voice commands with Alexa or Google Assistant if you prefer
• Robust Installation: Support bracket is included for a more robust installation that supports the unit with the window open or closed.Available for single-hung or double hung window with size: 22 - 36 inches, minimal height at 13.75 inches.

Midea

• EXCLUSIVE 1-2-5 : Your Emerson Quiet Kool Wi-fi enabled air conditioner comes with an industry-exclusive 1-2-5 that covers 1 year of labor, 2 years of parts, and 5 years on the compressor. Buy and use with confidence.
• QUIET COOLING FOR SMALL ROOMS: This 8, 000 BTU (ASHRAE) / 4, 900 BTU (DOE) portable air conditioner efficiently cools up to 300 sq. ft. At 50dB, this unit is among the quietest in the industry, making it ideal for bedrooms, nurseries, home offices, and other small sized rooms. Included window kit and hose fit windows from 26. 6 to 50. 7 inches in width.
• BUCKETLESS DESIGN: The auto-evaporation system efficiently removes water created by the natural dehumidification process, allowing for a bucketless design that doesn’t routinely need draining (except on the most humid days of the year).
• FLEXIBLE FUNCTIONALITY: Three modes (fan, cool, dry, and heat) give you ultimate flexibility for year-round use. Three fan speeds give you control over your comfort. Powerful dehumidification (up to 2. 5 pints per hour) dries your space quickly.
• PROGRAMMABLE TIMER AND SLEEP MODE: Integrated 24-hour timer can be set via on-board controls or remote control. Intelligent sleep mode takes it one step further by slowly adjusting the temperature and fan speed to keep you comfortable overnight while saving you energy and money.

Emerson Quiet Kool

• 6, 050 BTU air conditioner for window-mounted installation uses standard 115V electrical outlet (Easy window mounting kit included)
• Super quiet operation at only 43 dBA. driven by unique compressor blanket and dual-fan design.
• Digital controls, 3 cool speeds, 3 fan speeds, and 2-way air direction.
• Easy installation. fits windows 26 1/16 in - 39 1/4 in wide, minimum height 13 3/8 in
• High Energy Efficiency Ratio (EER): 11. 2. Helps reduce energy costs. Easy to clean air filter included.

Haier

• QUIET & POWERFUL - Our 14,000 BTU compact air conditioner (17.1 x 13.8 x 28.1 in,) will keep you cool and comfortable all summer. An adjustable fan speed cools the air to 65°F at the coolest setting. Sleep mode makes it extra quiet while you rest
• COOLS ROOMS FAST - This floor-standing portable AC unit provides steady, effective cooling for rooms up to 350 sq. ft. It’s the perfect small air conditioner for dorms, apartments, cabins, campers, offices, bedrooms, or living rooms
• SIMPLE & QUICK TO INSTALL – Just roll this portable air conditioner with wheels into any room with a double hung or sliding window. Attach the included hose & window adapter, & plug it in to an outlet! At the end of the season, just unhook & store
• EASY TO USE & CLEAN – The simple remote control & top-mounted LED display with 24-hour timer allow you to precisely control the air temperature. To clean the filter, just slide it out twice a month, rinse it thoroughly under running water, & put it back
• 3-in-1 FUNCTIONALITY - Combines 3 energy efficient functions for all of your cooling & ventilation needs with cool, fan, & dehumidifying modes all in one machine. Bucket-less, self-evaporating operation makes your living space cool, clean and dry

BLACK+DECKER

• Install it at the window to maintain a steady temperature in your bedroom or office
• With 2344.57 W cooling power, enjoy a blast of cool air throughout your room
• Effectively cools area of up to 350 Sq. ft., this air conditioner is perfect for bedrooms
• Have more control over air flow with 3 fan speeds
• Adjust the air flow to suit your needs with 4-way directional air control
• Voltage: 120.0 volts_of_alternating_current

FRIGIDAIRE

• Powerful Cooling: Cool spaces up to 300 square feet with an ASHRAE-rated 8,000 BTUs of cool air (5,000 BTU 2017 DOE Standard) perfect for your home office, bedroom, or living room.
• 1 Product, 3 Uses: This is not only a Portable AC but also a fan and dehumidifier capable of removing 2.3 pints(1.1L/hour) of water per hour. Drier air feels much cooler than humid air and allows your AC to work more efficiently.
• Super Quiet: Sleep through the night with a peak noise level of 49 decibels on the low fan speed. You can also use the sleep function to adjust your optimal sleeping temperature while you are busy counting sheep, or activate the night mode to shut off all lights on the control panel.
• Easy Install: Both horizontal and vertical sliding windows can be used to install this machine while the detailed instructions in our user manual can have you set up in 15 minutes or less.
• New X-Fan Technology: When activated, the X-Fan will keep the fan spinning at a slow, silent speed to dry residual water in the machine and the air exhaust hose to prevent the growth of mold.

TOSOT

• Powerful Cooling: Cool spaces up to 400 square feet with an ASHRAE-rated 10,000 BTUs of cool air (6,000 BTU 2017 DOE Standard) perfect for your home office, bedroom, or living room.
• 1 Product, 3 Uses: This is not only a Portable AC but also a fan and dehumidifier capable of removing 2.5 pints(1.2L/hour) of water per hour. Drier air feels much cooler than humid air and allows your AC to work more efficiently.
• Super Quiet: Sleep through the night with a peak noise level of 49 decibels on the low fan speed. You can also use the sleep function to adjust your optimal sleeping temperature while you are busy counting sheep, or activate the night mode to shut off all lights on the control panel.
• Easy Install: Both horizontal and vertical sliding windows can be used to install this machine while the detailed instructions in our user manual can have you set up in 15 minutes or less.
• New X-Fan Technology: When activated, the X-Fan will keep the fan spinning at a slow, silent speed to dry residual water in the machine and the air exhaust hose to prevent the growth of mold.

TOSOT

• QUIET & POWERFUL - Our 10,000 BTU compact air conditioner (16.5 x 11.5 x 26 in,) will keep you cool and comfortable all summer. An adjustable fan speed cools the air to 65°F at the coolest setting. Sleep mode makes it extra quiet while you rest.
• PERFECT FOR SMALL ROOMS - This floor-standing portable AC unit provides steady, fast, effective cooling for rooms 150 - 250 sq. ft. It’s the ideal small air conditioner for dorms, apartments, cabins, campers, offices, bedrooms, or living rooms.
• SIMPLE & QUICK TO INSTALL – Just roll this portable air conditioner with wheels into any room with a double hung or sliding window. Attach the included hose (4’ 11”) & window adapter, & plug it in to an outlet! When not in use, just unhook & store.
• EASY TO USE & CLEAN – The simple remote control & top-mounted LED display with 24-hour timer allow you to precisely control the air temperature. To clean the filter, just slide it out twice a month, rinse it thoroughly under running water, & put it back.
• 3-in-1 FUNCTIONALITY - Combines 3 energy efficient functions for all of your cooling & ventilation needs with cool, fan, & dehumidifying modes all in one machine. Bucket-less, self-evaporating operation makes your living space cool, clean and dry.

BLACK+DECKER

• 3-IN-1 FUNCTIONALITY - Midea's 3-in-1 technology combines air conditioning, dehumidification, and fan-only modes that work together to increase the comfort of your home
• FAST COOLING - This 8, 000 BTU model provides fast and efficient cooling and dehumidification ideal for rooms up to 350 square feet. Cools down your home, office or apartment for maximum comfort.
• INNOVATIVE FEATURES – An intuitive design remote control and a LED digital display panel will make it easy to change all the settings from across the room.
• EASY INSTALLATION - This window unit installs easily without significant modification to the existing window frame (23-36" x 15. 5"). All mounting accessories (23-36" x 14 ") are included. A screwdriver is required (but not included) for installation. For some window frames, pilot holes are recommended before installing screws. Please see included instruction manual for further detail
• WORLDWIDE - Midea is the world’s largest provider of air conditioning products. As a testament to our dedication to quality, we offer a one year parts and labor on this product

Midea

• QUIET & POWERFUL - Our 8,000 BTU compact air conditioner (16.5 x 11.5 x 26 in,) will keep you cool and comfortable all summer. An adjustable fan speed cools the air to 65°F at the coolest setting. Sleep mode makes it extra quiet while you rest
• PERFECT FOR SMALL ROOMS - This floor-standing portable AC unit provides steady, fast, effective cooling for rooms up to 200 sq. ft. It’s the ideal small air conditioner for dorms, apartments, cabins, campers, offices, bedrooms, or living rooms
• SIMPLE & QUICK TO INSTALL – Just wheel this portable air conditioner into any room with a double hung or sliding window. Attach the included hose (4’ 11”) & window adapter, & plug it in to an outlet! At the end of the season, just unhook & store
• EASY TO USE & CLEAN – The simple remote control & top-mounted LED display with 24-hour timer allow you to precisely control the air temperature. To clean the filter, just slide it out twice a month, rinse it thoroughly under running water, & put it back
• 3-in-1 FUNCTIONALITY - Combines 3 energy efficient functions for all of your cooling & ventilation needs with cool, fan, & dehumidifying modes all in one machine. Bucket-less, self-evaporating operation makes your living space cool, clean and dry

BLACK+DECKER