10 Best Ac With Heater Window Unit of 2026

Last updated on 04/05/2026
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Best Choice
1
9.8
Exceptional
Soleus Air 12,000 BTU Window Air Conditioner with 10,000 BTU Heater, Cooling, 115 Volts, 12.5" Extra Thick Wall Compatible, Wi-Fi Enabled, Saddle Mount, and Quiet Operation in White
Soleus Air

Soleus Air 12,000 BTU Window Air Conditioner with 10,000 BTU Heater, Cooling, 115 Volts, 12.5" Extra Thick Wall Compatible, Wi-Fi Enabled, Saddle Mount, and Quiet Operation in White

Why we love it
  • Safe wall-straddling design.
  • Whisper-quiet operation.
  • Unobstructed view and airflow.
Main Highlights
  • [SAFE] Design straddles the wall so makes it virtually impossible to fall out
  • [QUIET] Design moves the noise on outside on the other side of the wall, so noise is similar to a library at 38 dB
  • [Keep Your View] Enjoy the view and use your window- our design does not obstruct your view and lets you open the window for a breeze or yell at your neighbor
  • [Inverter compressor] lets this more run super efficient at variable speeds and saving energy and money
  • [Use Year-round] This model includes heat, so this becomes a 4-season model
9.8
Exceptional
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Best Value
2
9.7
Exceptional
Save 10%
Keystone Energy Star 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat, Quiet High Efficiency Window AC Unit with Remote for Apartment, Medium-Large Rooms up to 550-Sq.Ft.
Keystone

Keystone Energy Star 12,000 BTU Window Mounted Inverter Air Conditioner with Supplemental Heat, Quiet High Efficiency Window AC Unit with Remote for Apartment, Medium-Large Rooms up to 550-Sq.Ft.

10% Off
Why we love it
  • Efficient cooling and heating power.
  • Quieter operation for comfort.
  • Easy installation for convenience.
Main Highlights
  • Cooling and Supplemental Heating Power: This air conditioner has 12,000 BTUs of cooling power, 10,000 BTUs of supplemental heating power, and dehumidifies the air up to 1.73 pints per hour in rooms up to 550 square feet; Supplemental Heating mode is meant to be operated when temperatures outside are between 41 and 75 degrees; Mode is supplemental and NOT meant as primary heat source
  • Inverter Technology: Eliminates wasted operation in the AC by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature
  • Quieter Operation: The inverter technology not only makes the unit more energy efficient, but allows it to operate 22% quieter on low and 5% quieter on high than regular window units
  • Easy to Install: This AC fits in windows 14.5-in. tall with a minimum of 24-in. wide and maximum 38.5-in. wide
  • Washable Filter: A clean filter alert conveniently notifies you to clean the unit's washable filter to ensure it keeps running efficiently
9.7
Exceptional
Save 10%
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3
9.7
Exceptional
ROVSUN 8000 BTU Air Conditioner Window Unit with Heat, 4-in-1 Window AC Unit Cooler, Heater, Dehumidifier & Fan with Timer, Remote Control & Installation Kit for Rooms up to 350 Sq. Ft, 115V/60Hz
ROVSUN

ROVSUN 8000 BTU Air Conditioner Window Unit with Heat, 4-in-1 Window AC Unit Cooler, Heater, Dehumidifier & Fan with Timer, Remote Control & Installation Kit for Rooms up to 350 Sq. Ft, 115V/60Hz

Why we love it
  • Quick cooling and heating feature.
  • Easy operation with remote control.
  • Quiet operation for peaceful moments.
Main Highlights
  • 【Quick Cooling & Heating】The 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
  • 【Easy to Operate】Operating 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
  • 【Easy to Assemble】The 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)
  • 【Energy Saving】This 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
  • 【Quiet Operation】With 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!
9.7
Exceptional
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4
9.5
Superb
Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU
Midea

Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU

Why we love it
  • Multi-season comfort and cooling.
  • Smart controls via app.
  • Low noise for quiet nights.
Main Highlights
  • 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.
  • 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.
  • 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.
  • Ultra Low Noise Performance – This ac window unit operates at a noise level as low as 45 dBA. It’s such a quiet air conditioner that you will barely notice it, even when it’s 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.
  • 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!
9.5
Superb
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5
9.3
Superb
ROVSUN 8000 BTU Window Air Conditioner with Heat, Window AC Unit & Heater Combo with APP & Voice Smart Control, Timer Function & Easy Installation Kit, Work with Alexa/Google Assistant, 115V/60Hz
ROVSUN

ROVSUN 8000 BTU Window Air Conditioner with Heat, Window AC Unit & Heater Combo with APP & Voice Smart Control, Timer Function & Easy Installation Kit, Work with Alexa/Google Assistant, 115V/60Hz

Why we love it
  • Fast cooling and heating efficiency.
  • WIFI-enabled for convenient control.
  • Simple installation saves time.
Main Highlights
  • ✔ 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
  • ✔ 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
  • ✔ 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
  • ✔ 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")
  • ✔ 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
9.3
Superb
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6
9.3
Superb
Save 22%
LG 12,200 BTU Window Air Conditioner with Supplemental Heat, 230/208V, Cools 570 Sq.Ft. (19' x 30' Room Size), Electronic Controls with Remote, 2 Cooling, Heating & Fan Speeds, Slide In-Out Chassis
LG

LG 12,200 BTU Window Air Conditioner with Supplemental Heat, 230/208V, Cools 570 Sq.Ft. (19' x 30' Room Size), Electronic Controls with Remote, 2 Cooling, Heating & Fan Speeds, Slide In-Out Chassis

22% Off
Why we love it
  • Low noise operation for comfort.
  • Provides supplemental warmth when needed.
  • Customizable fan speeds for versatility.
Main Highlights
  • Low Noise Performance: Operates at sound levels as low as 50dB (in low mode) eliminating unnecessary noise
  • Supplemental Heat: For cooler days use the supplemental heat option to add warmth to your space
  • Multiple Fan Speeds: 2 cooling, heating and fan speeds allow you to customize your cooling or heating
  • Auto Restart: After a power failure, Auto Restart will automatically turn the unit back on when power is restored
  • Cools Rooms up to 570 Square Feet: LW1223HR is ideal for cooling medium rooms (19' X 30')
9.3
Superb
Save 22%
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7
9.1
Superb
Save 10%
Keystone 12,000 BTU Window Air Conditioner with 11,000 BTU Supplemental Heating and Dehumidification, 230V, Window AC Unit for Living Room, Apartment, Medium Sized Rooms up to 550 Sq.Ft.
Keystone

Keystone 12,000 BTU Window Air Conditioner with 11,000 BTU Supplemental Heating and Dehumidification, 230V, Window AC Unit for Living Room, Apartment, Medium Sized Rooms up to 550 Sq.Ft.

10% Off
Why we love it
  • Powerful cooling for large spaces.
  • Smart remote with precise monitoring.
  • Energy-efficient operation saves money.
Main Highlights
  • 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.
  • 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
  • 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
  • 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
  • Space Saving Design: Save your floor space with this window ac unit; Window installation kit included
9.1
Superb
Save 10%
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8
9.1
Superb
Bonnlo 8000BTU Window Air Conditioner with Heat & Timer, Wi-Fi Enabled Window AC Unit Compatible with Alexa & Google Assistant & Easy Installation Kit for Rooms up to 350 Sq.Ft, 115V/60Hz
Bonnlo

Bonnlo 8000BTU Window Air Conditioner with Heat & Timer, Wi-Fi Enabled Window AC Unit Compatible with Alexa & Google Assistant & Easy Installation Kit for Rooms up to 350 Sq.Ft, 115V/60Hz

Why we love it
  • Year-round comfort, dual heating.
  • Smart WiFi and voice control.
  • Easy install, no modifications.
Main Highlights
  • [ Rapid Dual Heating & Cooling ] : Experience powerful year-round comfort with 8,000 BTU cooling and 4,000 BTU heating. This 115V unit quickly chills rooms up to 350 sq. ft., making it ideal for bedrooms, home offices, or apartments. Switch modes easily to stay cozy in winter and cool in summer—all from a single window-mounted unit.
  • [ Smart WiFi & Voice Control ] : Stay in command from anywhere with the integrated WiFi feature. Adjust temperatures, set schedules, or change modes using your smartphone app or simple voice commands via Alexa Assistant. This smart window AC unit offers convenience, ensuring your room is always at the comfortable temperature before you even step inside.
  • [ Easy Installation ] : Skip the complicated setups and costly service calls,our portable air conditioner comes with a easy-installation kit. You can have it securely mounted and running in a short time. It is a good choice for those wanting a quick cooling solution without permanent modifications.
  • [ Energy-Saving Function ] : Save on utility bills without sacrificing comfort. The eco-friendly mode optimizes energy use while maintaining stable temperatures with a high-quality compressor. Before the compressor starts,the fan motor automatically cycles to keep comfortable environment without wasting electricity.
  • [ Quiet Operation for Work & Sleep ] : Stay productive or rest peacefully with low noise operation as quiet as 52dB. Whether you're taking calls in your home office or sleeping for a nap, this unit won't distract or disturb. The high-quality compressor and fan design creat a calm, comfortable environment perfect for focused work and sleep.
9.1
Superb
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9
9.0
Superb
Save 6%
ROVSUN 12000 BTU Window Air Conditioner with Heat, Window AC Unit & Heater Combo with APP & Voice Smart Control, Timer Function & Easy Installation Kit, Work with Alexa/Google Assistant, 208/230V
ROVSUN

ROVSUN 12000 BTU Window Air Conditioner with Heat, Window AC Unit & Heater Combo with APP & Voice Smart Control, Timer Function & Easy Installation Kit, Work with Alexa/Google Assistant, 208/230V

6% Off
Why we love it
  • Fast and efficient climate control.
  • User-friendly design and features.
  • Convenient WiFi and voice control.
Main Highlights
  • ✔ Fast Cooling & Heating: Dive into an all-season solution with our window AC and heater system, this 12000BTU unit featuring air conditioning, heating, dehumidifier & fan function for ideal climate control of room up to 550 square feet. Perfect choice for your room like home, office, or apartment
  • ✔ 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
  • ✔ 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
  • ✔ 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")
  • ✔ 100% Satisfaction: We do cover 1 year warranty on this ac unit. We are confident to stand behind our product and would like to guarantee you a best shopping experience with us
9.0
Superb
Save 6%
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10
8.8
Excellent
GE 8,000 BTU Smart Window Air Conditioner with Heat Pump and Inverter for Rooms up to 350 sq ft, Compact AC Window Unit with Heat, WiFi, Alexa/Google, Eco Mode, Remote, Easy Install Kit
GE

GE 8,000 BTU Smart Window Air Conditioner with Heat Pump and Inverter for Rooms up to 350 sq ft, Compact AC Window Unit with Heat, WiFi, Alexa/Google, Eco Mode, Remote, Easy Install Kit

Why we love it
  • Year-round comfort in one unit.
  • Smart WiFi control via app.
  • Energy-saving inverter technology.
Main Highlights
  • 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 2–5x higher efficiency than resistive heaters—ideal for bedrooms, home offices, and living rooms.
  • SMART WIFI & VOICE CONTROL: Control and monitor your smart window air conditioner from anywhere using the Wi‑Fi‑enabled 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.
  • 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.
  • 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.
  • 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 double‑hung windows 24.5" to 36" wide and at least 14" high. Install your window AC unit quickly with the included easy‑install window mounting kit.
8.8
Excellent
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