10 Best Window Air Conditioners With Heat in 2026 for Year-Round Comfort

A window air conditioner with heat can provide practical year-round comfort without requiring a separate cooling unit and space heater. The right model depends on room size, electrical requirements, heating output, noise, and the features you will actually use.

We compared 10 options ranging from compact 115V units for bedrooms to high-capacity 230V models for large living areas, including smart controls, dehumidification, timers, and supplemental heating.

Best 10 Window Air Conditioner with Heat Picks for 2026

Best Quiet Smart Pick – Midea 8,000 BTU Window AC with Heat

If you want a window air conditioner with heat for a bedroom, apartment, or larger room, this Midea model combines cooling, supplemental heating, dehumidification, and smart controls. Its inverter compressor and low 45 dBA noise rating make it particularly appealing for spaces where energy use and quiet operation matter.

Best For: Large rooms up to 350 square feet, especially bedrooms and apartments where quiet, efficient operation is a priority.

Pros:

• Inverter technology is designed to use less electricity, with up to 35% energy savings compared with the stated standard.
• Offers cooling, supplemental heat, dry, fan, and auto modes.
• Works with the SmartHome app, Alexa, and Google Assistant.
• Operates as quietly as 45 dBA and includes a washable filter.

Cons:

• The heat-pump function works only when the outdoor temperature is above 41°F.
• It requires a double-hung window with a 24- to 38.5-inch opening and 14.5 inches of vertical clearance.

Choose this model when smart-home integration, quiet performance, and energy-conscious cooling are more important than the lowest upfront price. Its heating is supplemental rather than a replacement for a dedicated heating system in colder weather.

Best Value All-Season Option – ROVSUN 8,000 BTU Window AC with Heat

This ROVSUN window air conditioner with heat is a practical all-season unit for rooms up to 350 square feet. It provides 8,000 BTU cooling, 4,000 BTU heating, dehumidification, fan operation, Wi-Fi control, and a timer without requiring separate appliances.

Best For: Home offices, apartments, and residential rooms needing straightforward cooling and supplemental heat with app or voice control.

Pros:

• Combines 8,000 BTU cooling with 4,000 BTU heating and dehumidification.
• Includes five modes, three fan speeds, ECO mode, and a 24-hour timer.
• Supports phone-app control and Alexa or Google Assistant voice commands.
• Comes with side panels and installation parts for windows 26 to 36 inches wide.

Cons:

• Its 57 dB noise rating is higher than the quietest models in this roundup.
• It uses a non-inverter compressor and has a lower stated SEER of 10.9.
• The window opening requires at least 16 inches of height according to the product description.

The ROVSUN is a versatile choice if you want multiple operating modes and smart control at a moderate capacity. Consider a quieter or inverter-based model if noise and long-term energy efficiency are your main concerns.

Best for Large Rooms – LG 18,000 BTU Window AC with Heat

For a large living room or apartment, this LG window air conditioner with heat delivers 18,000 BTU of cooling and supplemental heating for spaces up to 1,000 square feet. Wi-Fi, remote, voice control, auto restart, and a programmable timer add convenience to its high-capacity design.

Best For: Large rooms or open living areas up to 1,000 square feet with a compatible 230-volt electrical connection.

Pros:

• High 18,000 BTU cooling capacity is designed for rooms up to 1,000 square feet.
• LG ThinQ enables control from anywhere, with Alexa and Hey Google compatibility.
• Includes two cooling, heating, and fan speeds plus a 24-hour timer.
• Auto restart resumes operation after a power failure.

Cons:

• Requires a 230-volt outlet and is substantially heavier and larger than smaller units.
• Its 61 dB noise rating may be noticeable in quiet rooms.
• The unit weighs 132 pounds, so installation may require additional help.

This LG is the capacity-focused option for buyers who need to cool a broad area rather than a bedroom or small office. Verify the 230-volt power supply, window dimensions, and installation support before ordering.

Best Compact LG Pick – LG 7,600 BTU Window AC with Heat

This LG window air conditioner with heat is sized for medium rooms up to about 330 square feet, such as bedrooms, offices, and smaller living rooms. It offers supplemental heat, two speeds, a remote, a 24-hour timer, auto restart, and a slide-in/out chassis for installation flexibility.

Best For: Bedrooms, offices, and apartments up to 330 square feet that need a 115-volt window unit with basic heating.

Pros:

• Provides cooling for rooms up to 330 square feet with supplemental heat for cooler days.
• Uses a standard 115-volt connection and includes a remote control.
• Operates as quietly as 52 dB in low mode.
• Includes auto restart, a washable filter, two speeds, and a 24-hour timer.

Cons:

• It has fewer speeds and smart features than the connected models in this roundup.
• Heating is supplemental, so it is not intended to replace a dedicated heating system.
• The product details list a 7,500 BTU cooling rating, while the title states 7,600 BTU.

This LG offers a sensible balance for medium spaces when you want heating and cooling without Wi-Fi features or a high-capacity chassis. Measure the window opening and confirm the unit’s size before installation.

Best Large-Room Pick – Keystone 23,200 BTU Window AC with Heat

For large spaces, this window air conditioner with heat combines 23,200 BTU cooling with 16,000 BTU of supplemental heating. It also adds dehumidification, fan circulation, a smart remote, and energy-saving modes, but its 230V power requirement and large size make installation planning important.

Best For: Large rooms and open spaces up to 1,500 square feet where powerful cooling and supplemental heat are priorities.

Pros:

• High-capacity cooling for spaces up to 1,500 square feet
• Includes supplemental heat, dehumidification, and fan circulation
• Smart remote measures room temperature and supports Energy Saver and Sleep modes
• Washable filter and included window installation kit

Cons:

• Requires a 230V electrical connection
• Supplemental heat is not intended to be a primary heat source
• At 121 pounds, it is heavier than many window units

The Keystone is a strong choice when cooling capacity matters most. Confirm the 230V outlet and window dimensions before purchase, and treat the heating function as supplemental rather than a replacement for central heat.

Best Mid-Size Room Option – LG 12,200 BTU Window AC with Heat

This LG window air conditioner with heat is designed for medium rooms up to 570 square feet. Its supplemental heat setting, two cooling and heating speeds, remote control, low-mode noise rating as low as 50 dB, and auto-restart feature provide practical everyday control.

Best For: Medium bedrooms and living spaces that need cooling plus occasional supplemental warmth.

Pros:

• Rated to cool rooms up to 570 square feet
• Offers supplemental heat with two heating speeds
• Two cooling and fan speeds allow flexible operation
• Includes remote control, washable filter, and auto restart after power failure

Cons:

• Requires a 230/208V electrical connection
• Heating is supplemental rather than a stated primary heat source
• It is a non-inverter unit

The LG balances room-size coverage with straightforward controls and useful restart functionality. Check your electrical supply and window measurements before ordering, especially since this model is intended for 230/208V installations.

Best Compact-Room Value – ROVSUN 8,000 BTU Window AC with Heat

For smaller spaces, the ROVSUN window air conditioner with heat provides 8,000 BTU of cooling and 4,000 BTU of heating for rooms up to 350 square feet. Its four-in-one design adds dehumidifying and fan functions, while a timer, ECO mode, remote, and included mounting parts simplify daily use.

Best For: Compact bedrooms, apartments, offices, and other rooms up to 350 square feet.

Pros:

• Combines cooling, supplemental heat, dehumidifying, and fan operation
• Uses a standard 115V power supply
• Includes a 24-hour timer, ECO mode, automatic mode, and remote control
• Mounting parts and side panels are included

Cons:

• Designed for rooms no larger than 350 square feet
• Provides only 4,000 BTU of heating capacity
• Window dimensions should be confirmed before purchase

The ROVSUN is a practical fit when you want an all-season unit without stepping up to a larger electrical requirement. Its capacity is best matched to compact rooms, and the included installation components can make setup more straightforward.

Best Budget All-Season Pick – Keystone 8,000 BTU Window AC with Heat

If you need a window air conditioner with heat for a bedroom, living room, or other space up to 350 square feet, the Keystone KSTHW08B combines 8,000 BTU cooling with 3,500 BTU supplemental heating. It also includes dehumidification, fan circulation, a washable filter, and a remote with room-temperature sensing.

Best For: Small- to medium-size rooms where efficient cooling and supplemental seasonal heat are more important than a primary heating system.

Pros:

• Cooling capacity is rated for rooms up to 350 square feet.
• Includes cooling, supplemental heating, dehumidifying, and fan modes.
• Energy Saver and Sleep modes can help limit unnecessary operation.
• Includes a window installation kit and a smart temperature-sensing remote.

Cons:

• The 3,500 BTU heater is supplemental and is not intended to be a primary heat source.
• Heating mode is specified for outdoor temperatures between 23 and 76 degrees.
• At 60.6 pounds, installation may require careful handling.

The Keystone is a practical choice when you want one window unit for everyday cooling and occasional supplemental heat. Confirm the required window opening and remember that the heating function is designed to assist, not replace, a dedicated heating system.

Best for Larger Rooms – ROVSUN 12,000 BTU Window AC with Heat

The ROVSUN RS-Window AC Heat-12K is a high-capacity window air conditioner with heat for spaces up to 550 square feet. Its 12,000 BTU cooling system is paired with 9,000/11,000 BTU heating capacity, plus dehumidifying, fan, ECO, automatic, and timer functions.

Best For: Larger rooms, apartments, offices, or multipurpose spaces that need more cooling capacity than an 8,000 BTU window unit provides.

Pros:

• Rated for cooling spaces up to 550 square feet.
• Offers substantial 9,000/11,000 BTU heating capacity.
• Includes a 24-hour timer, ECO mode, automatic mode, fan mode, and remote control.
• Mounting parts and side panels are included for installation.

Cons:

• Requires a 208/230V power supply, so it is not suitable for standard 115V outlets.
• At 82.6 pounds, it is relatively heavy to position and install.
• Its listed noise figures range from 59 dB in the product description to 63 dB in the specifications.

The ROVSUN stands out for room coverage and stronger heating than the other options here. Before buying, verify both your window dimensions and electrical setup, since the 208/230V requirement is a key installation consideration.

Best Smart-Home Pick – Garvee 8,000 BTU Window AC with Heat

The Garvee 8,000 BTU window air conditioner with heat is designed for rooms up to 350 square feet and adds app, remote, touch, and Alexa-compatible voice control. Along with cooling and supplemental heat, it provides dehumidifying, fan circulation, five operating modes, a timer, ECO mode, and sleep mode.

Best For: Bedrooms, apartments, and living spaces where convenient app or voice control and quieter operation are priorities.

Pros:

• Supports app, remote, touch, and compatible Alexa voice control.
• Combines cooling, heating, dehumidifying, fan, and auto modes.
• Rated at as low as 52 dB, with Sleep mode for quieter use.
• Includes a washable filter, clean-filter alert, and 24-hour timer.

Cons:

• Its 8,000 BTU cooling capacity is intended for rooms up to 350 square feet.
• The unit weighs 81.4 pounds, which can make window installation more demanding.
• It requires a window at least 16 inches tall and 26 to 36 inches wide.

The Garvee is a strong fit for users who want smart controls without giving up core window-unit functions. Its 115V setup and included mounting kit suit many residential installations, but confirm the window measurements and allow for the unit’s substantial weight.

How We Picked the Best Window Air Conditioner with Heat

We evaluated these units by matching cooling and heating capacity to realistic room sizes, then considered installation requirements, voltage, controls, noise-related features, energy efficiency, dehumidification, and overall practicality. Because “heat” can mean supplemental heating rather than a replacement for central heating, we also looked closely at each model’s stated heat output and intended use.

Room-size claims are useful starting points, but insulation, ceiling height, sunlight, climate, and window placement can significantly affect performance. Always verify the manufacturer’s installation specifications before purchasing.

Quick Comparison

• Small bedrooms and apartments: 7,600- to 8,000-BTU models are generally the easiest fit for compact spaces and standard 115V outlets.
• Medium rooms: Around 12,000 BTUs can suit larger bedrooms, open living areas, or rooms near 570 square feet, depending on conditions.
• Large rooms: 18,000- to 23,200-BTU units require more careful sizing and commonly use 230V power.
• Smart-home control: The Midea and LG smart options are worth considering if app, voice, or remote operation matters.
• Flexible operation: Several ROVSUN and other models combine cooling, supplemental heat, fan operation, dehumidification, and timers.

Key Buying Factors for a Window Air Conditioner with Heat

Cooling and Heating Capacity

Choose capacity based on the room, not simply the highest BTU number available. An oversized unit may cool quickly without removing humidity effectively, while an undersized model can run continuously. Supplemental heat is designed to take the chill off and support comfort; it may not be adequate as a primary heat source in very cold weather.

Voltage and Installation

Many compact models use a standard 115V outlet, while high-capacity units often require 230V or 230/208V service. Do not use an adapter or extension cord to bypass electrical requirements. Confirm window dimensions, mounting hardware, support brackets, and whether professional installation is recommended.

Efficiency, Noise, and Controls

Energy Star certification, inverter technology, programmable timers, sleep modes, and multiple fan speeds can reduce operating costs and improve comfort. Remote controls are convenient, while Wi-Fi and voice control are most valuable when the unit is difficult to reach or you want to adjust it before entering the room.

Dehumidification and Seasonal Use

A built-in dehumidifier can make humid rooms feel cooler, particularly during mild weather when full cooling is unnecessary. Check whether the unit supports separate fan, dry, or heat modes and whether condensate management requires drainage.

Who Should Buy Which Window Air Conditioner with Heat?

Choose a compact 115V model for a bedroom, studio, or apartment where simple installation and modest power demands are priorities. Choose a smart inverter model if quieter operation, efficiency, and app-based control matter most. Choose a 12,000-BTU unit for a medium-size living area, provided your electrical service supports it. Choose an 18,000- or 23,200-BTU model for a large room only after confirming both the sizing and 230V installation requirements.

Before ordering, measure the window, check outlet voltage, compare the manufacturer’s room-size guidance with your space, and confirm that supplemental heat meets your seasonal needs.