10 Best Room Air Conditioner of December 2025

• 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

• FAST COOLING; FRESH MOIST AIR WITH 3 SPEEDS- Our 2020 newly improved 3 in 1 personal space cooler is equipped with air cooler, humidifier and timing function, it also purifies air. You could use it as a fan(3 speeds available) or add ice water to make it a mini air conditioner by giving you moist and fresh cold air. Cool you off in seconds in a hot kitchen, living room, home or office.
• Environmental protection design-Just add pure water, plug in the power supply, it can continuously supply you with moist air, so that you can work and live comfortably in the hot summer, There is no polluted gas like air conditioner. It just disperses water droplets into the air around you and keeps you cool by evaporation of water vapor.
• TIMER FUNCTION & QUIET OPERATION? - Need a cooling system to help you fall asleep but won’t want to keep cooling you all night to catch cold? Don’t worry, our evaporative air cooler is designed with timing function which you can switch between 1H, 3H, 6H timer as needed. Ultra quiet operation offers you a peaceful and comfortable sleep.
• PORTABLE & POWER-SAVING? - This small air conditioner only weighs in 1.98lbs and has a handle to carry it anywhere, great for offices, table top, dens, reading nooks, dorms, home, campers, work spaces, basements and etc! Our misting air cooler has low energy consumption to decrease your electricity bill and it’s completely fit for our low-carbon lifestyle.
• THREE SUPPLY METHOD- You can use this air conditioner in three supply methods.First method, you can use the USB port of mobile devices such as laptops for power supply. Second method, use the charger to supply power by power outlet.Third method, if you go far from you home without any power supply, you can carry with one 10000 mAh mobile power which you can use 12 hours. So please do not worry about power failure.

MiToo

HAYI

• Vertical motion creates constant, powerful airflow and consistent temperature in the room
• QUIET & POWERFUL - Our 12,000 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
• PERFECT FOR SMALL ROOMS - This floor-standing portable AC unit provides steady, fast, effective cooling for rooms up to 300 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! At the end of summer, 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

• AIR COOLER: The Arctic Air Ultra is a portable air conditioner that cools, humidifies & purifies. This personal space cooler features three fan speeds & a multi-directional air vent.
• QUIET & PORTABLE: The lightweight & whisper-quiet fan plus soothing night light make it perfect to use overnight for a comfortable sleep. Arctic Air Ultra is energy efficient & freon-free!
• EFFICIENT COOLING: Hydro-chill technology pulls in hot air through an evaporative air-cooling filter & turns it into cool, refreshing air instantly. Simply add water to the top fill water tank & press the button.
• AS SEEN ON TV: Explore our variety of fun & helpful products for everyday life including: Inkjet Refill Kit, Microfiber Cloths, Dryer Balls, Swivel Sweeper, Iron Gym, Pillow Pets, Arctic Air & Turbo Pump.
• CONSUMER DRIVEN: Ontel offers some of the most innovative consumer products on the market including toys, hand tools, home fitness equipment, health & beauty products, household items & accessories.

Ontel

• FAST COOLING: 5, 000 BTU window-mounted mini-compact air conditioner is perfect for cooling a room up to 150 square feet. Quickly cools down your home, office, or apartment for maximum comfort
• EFFORTLESS OPERATION: 7 temperature settings, 2 cooling/2 fan only speeds and 2-way air direction give you the perfect amount of cooling every time
• EASY INSTALLATION: Install easily with minimal modification to the existing window frame. Suitable for windows 23''-36'' wide and minimum 13'' high. All mounting accessories are included
• ENERGY-EFFICIENT: Combined Energy Efficiency Rate (CEER): 11. 0. Helps reduce the energy costs
• WASHABLE FILTER: The reusable and washable mesh filter reduces bacteria, room odors and other airborne particles for a healthier, more comfortable environment

Midea

• 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 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

• 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

• Award Winning: 1. Good Housekeeping's "2020 Best Overall" and "can cool down a room faster than other portable units" 2. Consumer Report's 2020 Highest Score; UL listed
• Dual hose operation; Cools up to a 500 square feet space(ambient temperature and humidity may influence optimum performance); Dehumidifying capacity: 71 pints per day; Air Flow (at high speed): 430 m3/h / 253 CFM; 3 fan speeds
• Three operational modes: Air conditioner, dehumidifier or fan; Cooling capacity 14000 BTU (ASHRAE-128 Standard) / 9500 BTU (DOE+ 2017 Standard); Maximum power consumption: 1300 W / 11.6 A.Never use harsh chemicals, oil-based products, detergents, chemically treated cloths orother cleaning solutions. These could possibly damage the body of the air conditioner
• Full thermostatic control (61°F - 89°F) with digital readout, 24 hour programmable timer; Eco-friendly CFC free green R-32 refrigerant; Patented auto drain function fully exhausts all condensate automatically in most environments
• Includes complete set window kit, remote control, activated carbon air filter, washable pre-filter, user manual and storage bag; Casters for easy mobility
• Extendable exhaust hose (up to 60″); Window kit dimension: 6.5″ W x 20″ L (minimum), 46″ (maximum); Unit dimensions: 19″ W x 16″ D x 35.5″ H

Whynter