10 Best 12000 Btu Portable 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

• PORTABLE A/C HEATER COMBO UNIT - Our 14,000 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 MOST ROOMS - This portable heat & AC unit provides steady & fast cooling and heating for rooms up to 350 sq. ft. It’s the perfect air conditioner & heater for dorms, apartments, cabins, campers, offices, bedrooms, garages, or living rooms
• 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

• Dimensions: 17.4’’ L x 13.4’’ W x 32.1’’ H | Weight: 70.2 lbs
• Your purchase includes: Portable Air Conditioner, Window Mount Kit, Quick Setup Guide, Remote Control (batteries not included).
• Handy and portable: the SereneLife portable air conditioner system features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability
• 4 operating modes: The compact floor AC indoor cooler conditioning unit features a simple electric Plug in operation and introduces 4 modes - cooling, heating, dehumidifier, and fan. The default mode is cooling, It is automatically activated after power on
• Built in dehumidifier: You don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, acts as purifier which makes your home less hospitable to allergens such as dust mites, mildew by selecting dehumidifier mode
• Remote control: features a digital touch button control panel which includes the power, mode, timer, temperature and fan speed settings. Other functions such as unit selector (Celsius/ Fahrenheit ), Sleep key can be adjusted using the included remote control

SereneLife

• PORTABLE, QUIET ENERGY-EFFICIENT AIR CONDITIONER - Experience a cool and relaxing day at home with the hOmelabs portable air conditioner. With an ASHRAE Rating of 12,000 BTU (7,400 BTU 2017 SACC Standard) it cools quietly and is perfect for 300 to 450 square feet room with horizontal window opening.
• EASY TO INSTALL, NO HEAVY WINDOW UNIT TO LIFT - Our portable AC measures 17.9 x 15 x 30.7 inches and has wheels so it can be easily moved to any room that has a window accessible. Simply attach the hose and the window slide adapter, plug in the power supply and you’re good to go. Most customers are able to install in 8 minutes or less. At the end of a season or when you don’t need it, simply unhook the unit and store in your closet, basement or garage.
• WASHABLE AIR FILTER AND REMOTE CONTROL - Keep your portable AC running efficiently with the included washable filter. The filter indicator light will illuminate to remind you when to clean the air filter. We recommend you clean the filter approximately once every two weeks. The unit also comes with a remote control to quickly set your desired temperature, fan speed, change cooling modes or activate the sleep feature.
• YOUR SATISFACTION IS OUR PRIORITY - hOmelabs offers a 2-year warranty and free return or exchange within 30 days of order receipt. We want you to be completely satisfied with your purchase. If you experience any issues, please contact us or any of our authorized sellers directly, and we will do everything we can to make things right!

hOmeLabs

• POWERFUL PORTABLE AIR CONDITIONER - Beat the heat without having a central ac at home or office with Vremi Portable Air Conditioner. ASHRAE rated at 12,000 BTU (6,500 BTU 2017 SACC Standard) this machine is suited to cool a 350 to 500 square feet room. This unit is designed to be installed in standard windows with a horizontal opening.
• PROGRAMMABLE CONTROL PANEL - Our high-quality air conditioning machine is designed for comfort. It features an easy-to-read LED display and includes a compact remote control to easily set the time, temperature speed, and mode from across the room. Its 24-hour adjustable timer can cool a room to a temperature between 18°C-32°C (64°F-90°F) and has 4 modes to choose from - Cool, Fan, Dry, and Sleep.
• HASSLE-FREE INSTALLATION - This 17.3 x 28.2 x 14 inches portable aircon is equipped with built-in rolling wheels for you to easily move the unit to any room with an accessible window. All accessories are included and no need to use special tools or lift the unit to install. Simply roll the AC to your preferred cooling area, attach the 5.6 ft hose and the window slide adapter, turn the unit on and viola! You’re good to go!
• WASHABLE DUAL-LAYER AIR FILTER - To provide you clean cool air, we designed this air conditioner with a removable and washable double-layered filter. To extend the life and performance of this unit, we recommend you to clean the filter every week of operation

Vremi

• 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

• Dimensions: 17.4’’ L x 13.4’’ W x 32.1’’ H | Weight: 70.2 lbs
• Your purchase includes: Portable Air Conditioner, Window Mount Kit, Quick Setup Guide, Remote Control (batteries not included).
• Handy and portable: the SereneLife portable air conditioner system features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability
• 3 operating modes: The compact floor AC indoor cooler conditioning unit features a simple electric Plug in operation and introduces 3 modes Cooling, dehumidifier and fan. The default mode is cooling, It is automatically activated after power on
• Built in dehumidifier: You don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, acts as purifier which makes your home less hospitable to allergens such as dust mites, mildew by selecting dehumidifier mode
• Remote control: features a digital touch button control panel which includes the power, mode, timer, temperature and fan speed settings. Other functions such as unit selector (Celsius/ Fahrenheit ), Sleep key can be adjusted using the included remote control
• 12000 BTU Cooling Power: With 1150W rated Power and 12000 BTU cooling power, the cold air can cover a room up to 450+ square feet; Air flow is rated at 290 M3/hr, moisture removal/dehumidifier at 1.8 liters/hour W/ an operating noise level of only 56 dB

SereneLife

• * 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

• 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

• Powerful 12,000 BTU rating for quiet, fast, and effective cooling for rooms up to 300 sq. ft.
• Portable and easy to use, sets up in minutes in any room with horizontal window opening, while the top-mounted electronic controls are intuitive and easy to operate
• 3-in-1 functionality keeps your living space cool, clean, and dry by combining cooling, fan, & dehumidifying modes, all with bucket-less, self-evaporating operation
• Convenience features such as LED display with remote control, 24hr. sleep timer, and multiple cooling and fan speed modes provide 24-7 conditioning, plus auto restart mode ensures immediate comfort after a power outage
• Washable and reusable filter reduces bacteria, room odors, and other airborne particles for a healthier more comfortable environment

TCL