Best 12000 Btu Air Conditioners in 2026

ULTRA QUIET - The U-shape design of Midea U Smart Inverter AC uses your window to block noise outside. The highly-efficient inverter system warrants ultra-low noise and vibration, 9x quieter than traditional units with operation as low as 32 dBA.

MORE THAN 35% ENERGY SAVINGS - With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units. It is the first window AC to obtain the ENERGY STAR Most Efficient Certification.

SMART CONTROL - Midea U Smart Inverter AC is Wi-Fi enabled and can be controlled from anywhere using the MSmartHome app on iOS or Android. You can also use voice commands throughout your house, office, or apartment using Alexa or Google Assistant devices.

LOW NOISE PERFORMANCE - operates at sound levels as low as 53dB (in low mode) eliminating unnecessary noise.

ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate into electricity savings.

MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling. Air Filter: Washable

HANDY AND PORTABLE: the serene life 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.Controller type:Remote Control

3 OPERATING MODES: The compact floor AC Indoor Cooler conditioning unit features a simple electric plug in operation and has 3 modes cooling, dehumidifier and fan; Also features automatic swing mode W/ moving wind vent for maximum air circulation

BUILT-IN DEHUMIDIFIER: you don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, a huge financial and space saving!

QUIET & POWERFUL - Our 6,500 DOE DOE (12,000 BTU ASHRAE) 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, Auto Water Evaporation.Controller type:Remote Control

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 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

High Efficiency Diamante Ductless Mini Split Inverter Heat Pump System

Use for both cooling and heating: 12000 BTU/hour with 20 SEER and 10 HSPF efficiency

Diamante series carries a full line of low-ambient wall-mounted mini splits with capacities ranging from 9,000 BTU/hour to 36,000 BTU/hour for various residential and light commercial applications

ALEXA ENABLED: Use voice or app control to control your air conditioner from anywhere. Use routines to adjust temperature settings while you are away and enjoy energy savings of up to 40%.

4-IN-1 MINI SPLIT SYSTEM: With air conditioning, built-in heat pump (up to 5F/-15C), dehumidifier, fan and turbo function. DC Inverter, UL Listed, AHRI Certified, Works with Alexa

DESIGNED FOR HOME & BUSINESS: Powerful performance and dependable durability with high quality design for an attractive appearance. Great for bedrooms, additions, living rooms, and even commercial applications like stores, restaurants and warehouses.

POWERFUL COOLING CAPACITY: The 12,000 BTU window air conditioner is powerful enough to cool rooms up to 550 sq. ft. and features multiple fan speeds that allow you to choose your level of comfort.*

COMFORTABLY QUIET: Thoughtfully designed to not disturb you, this ac unit noise level is as low as 55 decibels so you can enjoy serene cooling in peace.

ENERGY SAVINGS: TCL’s line of Energy Star Certified window AC units help you save on your energy bill when compared to similar models.

Save money all year-round with a highly efficient ductless mini split inverter+ heat pump system

Ultra-silent and beautifully built: perfect for home or light commercial use

Use for both cooling and heating 12000 BTU/hour with 20.5 SEER and 10 HSPF efficiency

【EASY-COOL】- Compact 12,000 BTU Portable Air Conditioner Unit, Delivers Fast, Cooling for Spaces Up to 400 Sq.Ft in Home, Bedroom, dorms, apartments, cabins, campers, offices, bedrooms, or living rooms. When the room is cool, switch to the first speed level, this air conditioner will become quiet(Noise ≤52dB) and maintain the temperature while you are sleeping.

【3-in-1 FUNCTIONALITY】- It has 3 modes to choose from - cooling, dehumidification and fan. The 3-speeds fan can satisfy your needs and cool your room. With 43.2L/day dehumidifying capacity and bucket-less, self-evaporating operation, this air conditioner makes your living space cool, clean and dry. Perfect for your idea room cooling system.

【EASY-TO-USE】- LED display and simple selections panel,full-featured remote, 24-hr timer, plus a quiet ＜52dB output on Low-speed mode for disturbance-free nights. Four castors wheels make it easy to move from place to place, You can place it in your bedroom, study, living room, kitchen, small office, RV, party and etc.

Energy Star Rated: With a 10.5 energy efficiency ratio (EER), this 12,000 BTU through the wall air conditioner can effectively cool rooms up to 550 sq. ft and dehumidify up to 2.5 pints per hour. Perfect for medium to large bedrooms, living rooms, basements, bathrooms, or family rooms. (Product is not suitable for window installation).

Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed. The 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Front Access Filter: Let’s face it. Filters collect dust. With our front-access design, cleaning that dusty filter is a piece of cake. Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean. An easy clean washable and reusable mesh filter makes maintenance hassle free. The unit will alert you through the Check Filter signal when it is time to clean.

INNOVATIVE DUO HOSE DESIGN - Midea's industry-first dual hose-in-hose design enables the unit to intake and exhaust air outdoors. The dual hose-in-hose design forms balanced air circulation indoors and prevents hot outside air from seeping in through gaps.Refrigerant : R-32, Cooling Watts : 1,300.

INVERTER TECHNOLOGY - Engineered with the variable-speed inverter technology, Midea Duo Inverter portable AC cools more with considerably less electricity than traditional portable units. It saves more than 40% energy compared to U.S. federal standard

MORE THAN 2X FASTER AND STRONGER COOLING - Empowerd by the Duo hose design and an optimized air duct system, Midea Duo can lock and maximize cooling indoors. Now you can enjoy a 2X faster and stronger whole-room cooling experience like never before

ENERGY EFFICIENT R-32 REFRIGERANT: With an energy efficiency ratio (EER) of 10.6, this Energy Star-rated air conditioner employs the most efficient refrigerant currently used in the industry. R-32 has a 67% lower score on the Global Warming Potential scale than industry-standard R410a, which is kinder to the planet while keeping you cool.

THROUGH THE WALL INSTALLATION: This 11,800 BTU air conditioner is suited for a through the wall installation. It is not properly vented for a standard window installation. Unit has dimension of 24” W x 20.1” D x 14.4” H and requires a wall sleeve of 24.5” to 27” in width (recommended – AXSVA1 or AXSVA4, sold separately).

CONFIDENT COOLING: This air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 sq. ft using a turbo fan. Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached. Dry mode removes up to 3.9 pints of moisture per hour. 4-way air deflection gives you ultimate flexibility.

THIS ITEM IS NOT FOR SALE IN CALIFORNIA

[ENERGY EFFICIENT COOLING] This 12000 BTU/h, 19 SEER, 115V, 8 HSPF, AHRI Certified pre-charged air conditioner and heater unit features a ductless mini split inverter plus system with a heat pump and dehumidification.

[AUTOMATIC SYSTEM] This air conditioner is designed with several smart settings that make it easy to use: auto defrost, self-diagnosis/cleaning, I feel mode, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds and intelligent compressor pre-heating.

ENERGY STAR Certified: Use less energy than standard air conditioners reducing your energy usage, and ultimately lowering your utility bills

Multi-Speed Fan: Features three different fan speeds, for more cooling flexibility

Sleep Mode: Maximum comfort throughout the evening hours with the added benefit of energy savings. With Sleep Mode, the temperature gradually increases a few degrees over the evening

Save money by purchasing two of Koldfront's most popular products together versus individually!

12000 BTU through the wall heat/cool air conditioner (WTC12001W) & wall sleeve (WTCSLV)

The wall sleeve is designed to securely fit Koldfront's line of through the wall air conditioners. PLEASE NOTE: Products will ship separately

Powerful Cooling Capacity: The 12,000 BTU window air conditioner is powerful enough to cool rooms up to 550 sq. ft. with 2.6 pints per hour of dehumidification including your apartment, bedroom, living room or any environment!

Functionality: Electronic control panel with digital display and 3 cooling speeds, eco mode, sleep mode, and programmable 24 hour on/off timer with 8-way directional air louvers to give consumers multiple options for comfort. Remote control included.

Energy Star Rated Cooling: Energy Star efficiency saves you money on your electric bill (12.1 EER).

Ultra high efficiency inverter++ ductless mini split heat pump system

Product size – 13.2” D x 31.5” W x 21.7” H | Weight – 88 lb. | Cover area – 350-450 Sq. Ft. | BTUs Cooling & Heating – 12,000 BTU/h | Power supply – 110-120V, 60Hz | Noise level – 52.5 dB

Both left and right sides of the indoor unit are possible for outstretch of connective piping and drainage hose for easy installation

High quality powder coated design for a weather resistant finish. Great for all climates.

Protect your mini split from snow, grass clippings, and the elements.

Compatible with most mini split air conditioners. Supports up to 180lbs of weight

✔【WIFI CONTROL FROM ANYWHERE】 You can start or stop cooling, change the mode, or set the temperature anytime, from anywhere with DuraComfort App.

✔【3-in-1 OPERATION】Combines 3 energy efficient functions for all of your needs with cool, fan, & dehumidifying modes all in one machine. Bucket-less, self-evaporating operation makes your living space cool, clean and dry. SLEEP, MAX & AUTO AIR SWING functions control airflow.

✔【UP TO 450 SQ. FT】 Our 8,150 BTU SACC/CEC (12,000 BTU ASHRAE) compact air conditioner will keep you cool in the summer.

✔【3-in-1 OPERATION】Combines 3 energy efficient functions for all of your needs with cool, fan, & dehumidifying modes all in one machine. Bucket-less, self-evaporating operation makes your living space cool, clean and dry. SLEEP, MAX & AUTO AIR SWING functions control airflow.

✔【WIFI CONTROL FROM ANYWHERE】 You can start or stop cooling, change the mode, or set the temperature anytime, from anywhere with DuraComfort App. It also works with Amazon Alexa and Hey Google so you can change settings with simple voice commands.

✔【UP TO 450 SQ. FT】 Our 8,150 BTU SACC/CEC (12,000 BTU ASHRAE) compact air conditioner will keep you cool in the summer.

Energy efficiency Ratio (EER): 11.3 (cooling)

Special 230V electrical outlet required (unit will not work with a standard 115V outlet)

12,000 BTU cooling for rooms up to 550 sq. Ft

Width: 19" x Height: 14.5" x Depth: 19.81"

Cooling Capacity (BTU): 12000 - Number of Cooling Speeds: 3

Energy Star - UL Certification

Dual Hose, Double Effect: The hose-in-hose innovation promotes efficient air circulation by keeping the cold in and pushing the heat out. 12,000 BTU cooling capacity blows massive cold that reaches as far as 28 feet. Ideal for your garage, bedroom, living room, workplace or larger rooms up to 450 sq ft.

Customize Your Comfort: With 5 powerful modes (Cool/Fan/Humidify/Auto/Sleep), 60-86°F temperature control, memory, I Sense and more functions, you can easily maximize your comfort with the touch of a button.

Hear Less, Feel More: Enjoy the cool comfort quietly as you do in a library. Dreo's ingenious airflow and inverter technology minimize the noise down to 42 dB, ensuring your peace of mind day and night.

GE ENERGY STAR 12000 BTU SMART WINDOW AIR CONDITIONER - Designed to efficiently cool rooms up to 550 sq ft; easy install kit included so you can start cooling right away

MAXIMUM COMFORT FOR LARGE ROOMS: This AC unit is the right size for delivering quiet, 12000 BTU cooling capacity to large areas like living rooms and family rooms; Energy Star-certified for lower energy use and utility bills

SMART, EASY OPERATION: Integration with the SmartHQ app allows you to monitor, schedule, and control your smart AC unit from anywhere, while compatibility with your favorite devices like Amazon Alexa and Google Assistant makes everyday use easier and more versatile than ever; or you can use the included remote control

Powerful & Efficient Air Conditioner - Keep your room, home, bedroom, apartment, or office cool during the hottest summer days with Airo Comfort's portable AC unit, a small yet powerful solution for stuffy, hot, and humid weather; Our 12,000 BTU Unit is ideal for cooling approx. 400 sq. ft., making it great for small apartments or large rooms

Simple and Easy to Use - Our innovative Air Conditioning Unit's many functions are intuitive and easy to use; Its clear and elegant LED display can be turned on or off for sleeping, and it features a digital touch button that allows you to easily control the timer, model, speed, and power functions without any hassle

Great Air Circulation - Keep air constantly moving and cooling your home or office with Airo Comfort's technology which includes oscillating vents that help direct airflow to where you want it to be or to keep air moving constantly, as well as a powerful internal system that purifies air as it passes through

QUIET & POWERFUL: Our 8,000 BTU SACC/CEC (12,000 BTU ASHRAE) dual compact portable air conditioner & heater (17.32 x 13.2 x 27.2 inches and 64.5 lbs) will keep you cool & comfortable during the summer, & toasty warm in the winter. An adjustable fan speed, with up and down auto air swing, this portable AC cools the air to 61 degrees Fahrenheit at the coolest setting and heats up to 88 degrees Fahrenheit. Sleep mode makes it extra quiet while you rest, 54dB on highest setting.

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 small air conditioner & heater for dorms, apartments, cabins, campers, offices, bedrooms, garages, or living rooms. This superior portable air conditioner and heater works for you and your space, no matter how modest.

SIMPLE & QUICK TO INSTALL: Since it’s easy to move around with handles & castor wheels, just roll this portable ac air conditioner and heater into any room with an accessible double hung or sliding window. Attach the included hose (4’ 11”) & window adapter, & plug it in to an outlet using the 70.8 inch long power cord. When not in use, just unhook & store. Window kit includes foam seal, slider bracket, 5.9 inch diameter air exhaust hose, hose inlet and outlet, 2 locking screws and drain hose.

❄️【Energy Efficient Cooling & Heating:】This split air conditioning unit is equipped with a high-power compressor and a 1-ton heat pump. It uses innovative inverter technology to change the power frequency without frequent opening and closing of the compressor, thereby improving energy efficiency. In addition, it also has an automatic defrost function, which can prevent damage and further improve energy efficiency.

❄️【Multiple Working Modes to Choose From:】The 12000 BTU air conditioning unit offers 5 working modes (auto, cooling, dehumidifying, heating, and fan mode) to meet different seasonal and environmental needs. Additionally, it has 4 fan speeds, sleep mode, ECO mode, iFEEL, and turbo function, providing a more comfortable user experience.

❄️【Easy-to-Use Remote Control and Timer:】 This spilt mini AC comes with a remote control, allowing for easy control of various functions. Additionally, it has a 0.5-24 hour timer that can be set to turn the unit on and off according to your needs. When the remote control is not in use, its display screen will automatically turn off, ensuring it won't disturb your sleep.

12,000 BTU One-Sec Coolness: VAGKRI high power air conditioner adopts compact and multi-functional humanized design, the maximum airflow of 350 m³/hour makes it capable of cooling down your room up to 400 square feet in an instant, stable and efficient way to make you feel cool all the time in the hot summer.

3-in-1 Portable Air Conditioner & Eco Mode: Meet your needs of coolness, dehumidification and ventilation with 3 personalized functions: Cool, Dehumidifier and Fan Mode; With built-in internal temp-sensor, Smart Eco Mode and Auto Mode both are money-saving and let you have a suitable temperature for relaxation and all night sleep in the wonderful summer.

Auto-swing & 3 Fan Speeds: The 80-degree wide-angle airflow with auto-swing function cools down your room in all directions, angle can be freely adjusted and the air is flowing evenly in the whole room to ease you and your families; Personalize your dream cool temp with 3 fan speeds and a wide temperature range from 59 to 88°F in 1°F increments.

Small portable air conditioner: this rolling, self contained, compact, portable ac unit cools small network closets and back offices where other cooling solutions don’t fit; this room air conditioner can also be used as a personal air conditioner for residential applications

12,000 btu of cooling power: this AC unit delivers 12,000 betas (3.5kW) of air conditioning capacity to protect vital equipment against overheating; this unit uses environmentally friendly R410a refrigerant to comply with worldwide standards

Self contained design with simple installation: this air conditioning unit has no plumbing or special circuits, and a built in evaporator means there is no need to empty water collection tanks; the unit also dehumidifies and filters the air, and 100 percent duty cycle keeps your environment constantly cool with no downtime

( Inverter Technology)Energy Efficient - 12000 BTU, 16.5 SEER, 115V/60Hz, 9.4 HSPF, Cooling and Heating up to 550 sq ft , AHRI Certified & UL Certified (Includes about 11 FT Line Set), Low Noise – operating on a 27.5 dB noise level

5 Modes for Your Comfort – You can choose among Auto, Cool, Dry, Heat, and Fan modes. All these modes are easily controllable via the backlit LCD remote!

Pre-Charged R-410A, Cooling to 62℉、Heating to 86℉, Indoor working temperature (cooling 62～90℉/ heating 32～86℉)， Outdoor working temperature(cooling 5～122℉/ heating 5～86℉)