10 Best 12000 Btu Air Conditioner of December 2025

• 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

• [POWERFUL, SAFE & DEPENDABLE] Cools rooms up to 400-550 sq. ft. Thermal Overload protection for added safety & peace of mind.
• [QUICK INSTALLATION] Easy-to-install window venting kit included with adjustable window bracket from 19.9". to 47.25"
• [EASY MAINTENANCE] Washable Filter designed to protect from dust & hair to extend product life & performance. Filter cleans easily under a faucet for easy maintenance.
• [DESIGNED FOR COMFORT] Enjoy simple digital control with 3 fan speeds, 24 hour energy saving timer & remote control included
• [3-IN-1 APPLIANCE] Powerful cooling in the summer, Dehumidifier for humid days (removes up to 66 pints/ 24 hours with continuous drain option for long unattended operation), Fan circulates air for everyday comfort. Exhaust Hose Length: 12" to 47".
• [COOLING CAPACITY] 12000 BTU (ASHRAE-128 Standard) / 6500 BTU (DOE+ 2017 Standard)

Honeywell Home

• 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

• * Three operational modes: air conditioner, fan or dehumidifier. This unit can cool up to a 400 square feet space (ambient temperature and humidity may influence optimum performance)
• * Remote control, activated carbon air filter, washable pre-filter, and product manual packaged inside exhaust hose; Noise level (dBA): <52
• Compatible with 5.9" and 5.0" diameter hoses
• * AWARD WINNING : 1. Good Housekeeping's "Best Portable Air Conditioners to Buy in 2019" 2. The New York Times Wirecutter named "the most efficient and fastest cooling portable AC"
• * Full thermostatic control (61°F - 89°F) with digital readout, 24 hour programmable timer; Eco-friendly CFC free Green R-410A refrigerant; Patented auto drain function fully exhausts all condensate automatically in most environments
• * Full installation set includes extendable exhaust and intake hose (up to 60") and window kit (up to 46") Max. window kit length = 46" , Min. window kit length = 20".
• * Maximum power consumption: 1000W / 9.0A. Power supply: 115 V / 60Hz / 1 Phase; Dehumidifying capacity of 76 pints per day; 3 fan speeds; Air Flow (at high speed): 264m3/h / 155CFM

Whynter

• Your purchase includes One Frigidaire FFRE103WAE Window Air Conditioner of 12,000 BTU
• Air conditioner dimensions: 19” W x 14” H x 21” D | Cabinet – 14” H x 21” D (with front) | Weight – 70 lbs. | Window – 15” H x 23”-36” W | EER – 12 | Noise level – Low: 57, Med: 58, High: 59 | Pints per hour – 3
• Features three different fan speeds for more cooling flexibility
• The built-in timer allows you to preset the unit to turn on and off in half-hour increments
• Certifications & Approvals – ENERGY STAR Certified | Safety Certification: UL/CUL | ETL Listed – No | ADA Compliant - All Brands – No | NSF Certified – No

FRIGIDAIRE

• Powerful 12,000 BTU rating for quiet, fast, and effective cooling for rooms up to 550 sq. ft.
• Easy to install and use, sets up in minutes with the included window mounting bracket, while the front-mounted, electronic controls are intuitive and easy to operate
• Convenience features such as LED display with remote control, 24hr. sleep timer, and multiple cooling and fan speed modes provide 24-7 conditioning
• Washable and reusable filter reduces bacteria, room odors, and other airborne particles for a healthier more comfortable environment
• Auto Restart lets the unit turn back on if power is lost and maintain the same settings you had previously set.

TCL

• PORTABLE A/C HEATER COMBO UNIT - Our 12,000 BTU dual compact air conditioner & heater will keep you cool & comfortable during the summer, & toasty warm in the winter. An adjustable fan speed cools the air up to 55 °F, and heats up to 81 °F.
• HEATS & COOLS SMALL ROOMS - This portable heat & AC unit provides steady & fast cooling and heating for rooms up to 250 sq. ft. It’s the perfect air conditioner & heater for dorms, apartments, cabins, campers, offices, bedrooms, garages, or living rooms. Ideal to use in spaces that cannot support traditional window-mounted AC units
• SIMPLE & QUICK TO INSTALL – Since it’s easy to move around with handles & castor wheels, just roll it into any room with an accessible double hung or sliding window. Attach the included hose (4’ 11” long) & window adapter, & plug it in to an outlet.
• 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.
• 4-in-1 FUNCTIONALITY – Combining 4 energy efficient modes in one small unit (17.1 x 13.8 x 28.1 in.), the COOL, FAN, HEAT & DEHUMIDIFY settings meet all of your home cooling, heating, & ventilation needs. SLEEP, MAX & AIR SWING functions control airflow.

BLACK+DECKER

• Beat the heat while remaining cool and happy on hot summer days
• Stay comfortable, even when it's hot outside with 3516.85 W cooling power
• Stay comfortable with this air conditioner, which effectively cools rooms up to 550 Sq. ft.
• With 3 fan speeds adjust the air flow to suit your needs
• 4-way air deflection: By adjusting the deflection, air is directed up, down, left or right to move the air where it is needed most
• Wattage: 990.0 watts

LG

• Remote controlled air conditioning unit cools and dehumidifies rooms up to 550 square feet with standard 9 foot ceiling (12.0 CEER)
• Built-in filter keeps air clean; can be removed, washed, and reused
• Includes 24 hour on/off timer, auto restart, auto shutoff, clean filter alert, sleep mode, adjustable air direction, and 3 fan speed settings
• Fits standard windows with a minimum window height/width of 14 x 23 inches and max height/width of 36 x 36 inches
• Includes a window-mounting kit with adjustable side panels that expand to fit standard windows
• 6.5 foot, 3-prong, 115V power cord

AmazonBasics

• Mini Split Ductless Air Conditioner and Heater - 19 SEER
• 4-in-1 Design - With air conditioning, heating, dehumidifier and fan.
• Low Ambient Kit - Cool and heat your room even in temperatures as low as 5F
• Includes Easy Installation Kit with 16 Ft. Copper Line Set
• Whisper Technology for Quiet Operation, Great for Bedrooms, Additions, Living Rooms and Commercial Applications. Self Service did not work, need to make manual changes to product bullet features.

Senville