10 Best Air Conditioner Heater Combo Window Unit of 2026

Why We Love It

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  Exceptional Cooling: This powerful 8,000 BTU window air conditioner with 4000 BTU supplemental heat (not meant to be used as a primary heat source in the coldest months) is best for spaces up to 350-sq. ft.
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  Easy Functionality: Electronic control panel with digital display and 3 cooling speeds, supplemental heating, eco mode, sleep mode, and programmable 24 hour on/off timer with 8-way directional air louvers to give multiple options for comfort
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  Easy to Install: Comes with a quick and effective window mounting kit that allows for easy installation in windows with minimum window height of 19.5 inches
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  Reusable Filter: The filter on this window air conditioner with heat helps keep the air free of dust, debris, and contaminants, and the filter can easily be removed and washed to help keep your ac heater window unit running at its highest level
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  Remote Control Included: Adjust your heat and air window unit's settings from across the room with the touch of a button

Main Highlights

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  Quick Cooling & HeatingThe 8,000 BTU window air conditioner & 4,000 BTU heater is ideal for cooling compact rooms up to 350 square feet. Quickly cool your room such as home, office or apartment
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  Easy to OperateOperating this air conditioner & heater combo is an easy-to-understand and enjoyable cooling experience (61°F - 88°F). We can set all functions (fan speed selection, 24-hour timer, ECO mode, automatic mode and fan mode) on the LED digital display or remote control
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  Easy to AssembleThe included side panels and other mounting parts can save you a lot of assembly time. Detailed instruction manual makes assembly easy in a short time (please confirm window size before purchasing)
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  Energy SavingThis 115V/60Hz energy-saving air conditioner uses a high-quality compressor for more efficient cooling and longer working life; environmentally friendly design, allowing you to save money
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  Quiet OperationWith noise levels as low as 52 dB, this window air conditioner lets the fan cool your space at a gentle volume without disturbing your surroundings. Whether you're watching your favorite TV series, reading a good book, or sleeping, this air conditioner will help you relax better!

Main Highlights

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  Multi-Season Comfort This Midea 12000 BTU air conditioner is more versatile than standard AC units, offering powerful cooling and dehumidification in the summer and reliable supplemental heat in the fall. Best for large rooms up to 550 square feet. Note: Heat pump function will not operate if outside temperature is below 41°F.
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  Easy To Use This air conditioner and heat unit is well-equipped with a digital LED display, 5 Modes, 3 speed settings, 24-hr Timer, and ECO energy saver. The Swing button adjusts the louvers up/down to direct the airflow. Wireless enabled, control your comfort from your smartphone and your smartwatch using the Midea SmartHome app or your voice via Alexa and Google Assistant. All functions can be set via the control panel, remote control, and app or voice assistant.
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  Save on Energy Without Sacrificing Comfort This UL Listed, Energy Star certified air conditioner uses inverter technology to quickly cool your bedroom or apartment while providing up to 35% energy savings compared to the Energy Conservation Standard. With 12,000 BTUs, a CEER of 13.3, and 115V operation, this ac unit is loaded with features like auto shutoff, defrost control, and a washable front filter to maintain peak performance.
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  Ultra Low Noise Performance This ac window unit operates at a noise level as low as 45 dBA. Its such a quiet air conditioner that you will barely notice it, even when its on high. Enjoy your Zoom call, watch your favorite TV show, have a conversation. This ac unit for bedroom also creates just the right amount of white noise so you can get some rest.
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  Install Specs This window air conditioner is designed to fit double hung windows with opening widths of 24 to 38.5 inches. Lower sash must open sufficiently to allow a clear vertical opening of 14.5 inches. AC window unit measures 19.41"W x 22.17"D x 13.9"H. Included components: 12000 btu window air conditioner, remote control, installation kit. This ac heater combo window unit is as a close as you can get to a mini split a/c. You may like it so much you just might buy two!

Main Highlights

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  Multi-Season Comfort - Midea 8000 BTU window air conditioner with heat is better than standard ac units. It will beat the heat in summer with powerful cooling and dehumidification and keep you warm through the fall with supplemental heat. Best for large rooms up to 350 square feet. NOTE: heat pump function works when outside temp> 41°F.
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  Easy To Use This air conditioner and heat unit comes with an LED display, 5 Modes (Heat, Auto, Cool, Dry, Fan), 3 speed settings (Auto/H/M/L), 24-hr Timer, and ECO energy saver. The Swing button adjusts the louvers up/down to direct the airflow. Wireless control enabled window ac with heat unit from anywhere with the SmartHome App, or with your voice via Alexa and Google Assistant. All functions can be set via the control panel, remote control, and app or voice assistant.
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  Save Energy Being Cool Save on energy costs and enjoy ultimate comfort with this energy star certified unit. This energy efficient air conditioner unit is engineered with variable-speed inverter technology that will quickly cool your bedroom or apartment space while using considerably less electricity; up to 35% energy savings compared to the Energy Conservation Standard. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance.
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  Ultra Low Noise Performance This ac window unit operates at a noise level as low as 45 dBA. Its such a quiet air conditioner that you will barely notice it, even when its on high. Enjoy your Zoom call, watch your favorite TV show, have a conversation. This ac unit for bedroom also creates just the right amount of white noise so you can get some rest.
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  Install Specs This window air conditioner is designed to fit double hung windows with opening widths of 24 to 38.5 inches. Lower sash must open sufficiently to allow a clear vertical opening of 14.5 inches. AC window unit measures 19.41"W x 22.17"D x 13.9"H. Included components: 8000 btu window air conditioner, remote control, installation kit. This ac heater combo window unit is as a close as you can get to a mini split a/c. You may like it so much you just might buy two!

Main Highlights

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  Fast Cooling & Heating: Dive into an all-season solution with our window AC and heater system, this 8000BTU unit featuring air conditioning, 4000BTU heating, dehumidifier & fan function for ideal climate control of room up to 350 square feet. Perfect choice for your room like home, office, or apartment
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  Considerate Designs: This air conditioner & heater unit comes with an LED display, 5 modes (Heat, Auto, Cool, Dry, Fan), 3 speeds (Auto/H/M/L), 24H Timer and ECO energy-saver. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance. The swing button adjusts the louvers to direct the airflow. Easily create the perfect environment for multi-seasons
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  WIFI-Enabled & Voice Control: Beside of the panel & remote control, seamlessly integrate with phone APP or voice control (works with Alexa/Google Assistant); Set routines for optimal temperature changes allows you to adjust your window air conditioner from anywhere so that you can enjoy endless comfort immediately once arriving home
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  Simple Installation: Included with side panels and other installation parts save you a lot of assembly time. A detailed instruction manual makes assembly easily done in a short period (windows width: 26" - 36"; window height: 16")
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  100% Satisfaction: We do cover 1 year warranty on this ac unit, any questions about it, please don't hesitate to contact us at any time for getting a satisfied service. We are confident to stand behind our product and would like to guarantee you a best shopping experience with us

Main Highlights

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  High-end Technology: Our portable ac air conditioner can cool/warm up to 400 square feet of floor space, or a medium-sized room; Efficient compressor lowers noise down to 52 dB and there is less need to empty water trays thanks to Self-Evaporating System
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  4-in-1 Multi-Functional Portable A/CEnjoy a quality air conditioner, heater, dehumidifier & fan; Cooling(12,000 BTU) function can quick cool down your room & stay cool and comfortable in the hot summer; Heating(12,000 BTU) function can quick warm up your room & keep you warm and cozy in winter
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  Easy to Control with LED Display Panel or Remote ControlAutomatic on/off with programable 24-hours timer, 3 fan speeds allow you to precisely control the air temperature and energy costs, automatic Air Swing functions to adjust the wind direction; Air flow is rated at 360 m³/hr; moisture removal/dehumidifier at 91 pint/day
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  Easy to Install & Clean - This portable heater and air conditioner combo measures 17.4 x 13.4 x 32.7 inches, Simply attach the hose and the window slide adapter, Ideal to use in spaces that cannot support traditional window-mounted AC units; Washable dust filters trap dirt and debris, improving indoor air quality and unit life span
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  Easy to move - This portable ac heater combo unit has wheels and handles so it can be easily moved to any room that has a window accessible; It's perfect for dorms, apartments, cabins, campers, offices, garages, living roomskitchenbedroom or children's room
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  It is well known that machines with refrigerants are not intended to be used near open flames or heat sources

Main Highlights

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  Low Noise Performance: Operates at sound levels as low as 50dB (in low mode) eliminating unnecessary noise
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  Supplemental Heat: For cooler days use the supplemental heat option to add warmth to your space
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  Multiple Fan Speeds: 2 cooling, heating and fan speeds allow you to customize your cooling or heating
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  Auto Restart: After a power failure, Auto Restart will automatically turn the unit back on when power is restored
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  Cools Rooms up to 570 Square Feet: LW1223HR is ideal for cooling medium rooms (19' X 30')

Main Highlights

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  VERSATILE YEAR-ROUND COMFORT: 8,000 BTU window air conditioner with heat pump cools and heats rooms up to 350 sq ft, providing supplemental heat down to 47°F (auto shut-off at 5°F) and 25x higher efficiency than resistive heatersideal for bedrooms, home offices, and living rooms.
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  SMART WIFI & VOICE CONTROL: Control and monitor your smart window air conditioner from anywhere using the WiFienabled SmartHQ app on iOS or Android, or use voice control with Alexa or Google Assistant. Adjust temperature, modes, and schedules so your room is comfortable the moment you walk in.
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  EASY, QUIET FUNCTIONALITY: This unit has 4 modes (Cool, Heat, Fan, Eco) and multiple fan speeds with an electronic thermostat with digital display for precise temperature control. Quiet operation makes this GE window air conditioner with heat a practical choice for bedrooms and living spaces.
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  ENERGY SAVING TECHNOLOGY: This smart window AC uses advanced inverter technology to adjust compressor speed to your set temperature, and Eco Mode automatically cycles the fan off when the room is comfortable, reducing wasted operation and helping lower energy use and utility costs.
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  COMPACT SIZE & EASY INSTALLATION: This compact AC window unit with heat measures 18.19"D x 18.98"W x 13.31"H and is designed to fit single or doublehung windows 24.5" to 36" wide and at least 14" high. Install your window AC unit quickly with the included easyinstall window mounting kit.

Main Highlights

Main Highlights

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  Reliable Window Unit Air Conditioners: Our powerful 12,000 BTU cooling capacity / 11,000 BTU supplemental heating capacity window air conditioner with remote control can efficiently provide comfort all year long for any large space up to 550 Sq.Ft.
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  All in One Window Air Conditioner: Enjoy powerful cooling, supplemental heating, dehumidification, and fan circulation; Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees; Mode is supplemental and NOT meant as primary heat source
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  Smart Remote: The I Sense remote takes the temperature of the room you are in, displays it on the remote's LCD screen and sends a signal to your air conditioner window unit every 3 minutes for accurate cooling
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  Powerful Cooling on a Budget: Our High Efficiency air conditioner for windows will give your electric bill a break by using the 'Energy Saver' or 'Sleep' mode
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  Space Saving Design: Save your floor space with this window ac unit; Window installation kit included