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

A window air conditioner with heat can provide practical year-round comfort without requiring a full central HVAC installation. The right model can cool a bedroom or living area in summer while adding supplemental warmth during chilly seasons.

These 10 options span compact 115V units, powerful 230V models, inverter technology, smart controls, dehumidification, and coverage for rooms from small bedrooms to large living spaces.

Best 10 Window Air Conditioner with Heat Picks for 2026

Best Smart Pick – 8000 BTU WiFi Window AC with Heat

This 8,000 BTU window air conditioner with heat is designed for rooms up to 350 square feet and adds convenient app and voice control. Its four functions, inverter technology, and quieter 52 dB operation make it a flexible choice for bedrooms, offices, apartments, and dorms.

Best For: Smaller rooms where smart controls, quieter operation, and year-round flexibility matter.

Pros:

• Offers cooling, heating, dehumidifying, fan, and auto modes.
• Works with a mobile app, Alexa, Google Assistant, remote, and onboard controls.
• Inverter technology, ECO mode, Sleep mode, and a 24-hour timer support efficient operation.
• Fits windows 26–36 inches wide with a minimum 16-inch height.

Cons:

• Its 350-square-foot coverage is intended for smaller spaces.
• At 81.4 pounds, installation may require assistance.
• Window dimensions should be measured carefully before purchase.

Choose this model if connected control and low-noise operation are priorities. Its compact-room capacity and included mounting kit make it a practical all-season option, provided your window meets the stated requirements.

Best for Large Rooms – Keystone 18,800 BTU AC with Supplemental Heat

With 18,800 BTU cooling and 16,000 BTU supplemental heating, this Keystone window air conditioner with heat is built for spaces up to 1,000 square feet. It also provides dehumidification, fan circulation, Energy Saver and Sleep modes, plus a temperature-sensing remote.

Best For: Large living rooms, apartments, and other spaces up to 1,000 square feet that need strong cooling and supplemental heat.

Pros:

• High-capacity cooling is rated for areas up to 1,000 square feet.
• Includes cooling, supplemental heating, dehumidifying, and fan modes.
• The I Sense remote measures room temperature and reports it to the unit.
• Includes a washable filter and window installation kit.

Cons:

• Supplemental heat is not intended as a primary heat source.
• Heating mode is specified for outdoor temperatures from 23 to 76 degrees.
• Requires a 230-volt electrical connection and weighs 117.3 pounds.

This is a substantial window unit for buyers who need capacity beyond a typical bedroom model. Confirm the 230-volt requirement, window fit, and supplemental-heating limitations before ordering.

Best Value Smart Option – ROVSUN 8000 BTU Window AC with Heat

The ROVSUN 8,000 BTU window air conditioner with heat combines cooling, 4,000 BTU heating, dehumidifying, and fan functions for rooms up to 350 square feet. WiFi, voice control, a 24-hour timer, ECO mode, and a washable front-access filter add everyday convenience.

Best For: Bedrooms, offices, and apartments where app control and basic all-season operation are useful.

Pros:

• Provides five modes: Heat, Auto, Cool, Dry, and Fan.
• Supports app control and Alexa or Google Assistant voice control.
• Includes a 24-hour timer, ECO energy-saving mode, and adjustable louvers.
• Designed for rooms up to 350 square feet and includes installation parts.

Cons:

• It is a non-inverter model with a listed noise level of 57 dB.
• The heating capacity is 4,000 BTU, so it is intended for supplemental room comfort rather than large-space heating.
• Coverage is limited to smaller rooms.

This model is a practical choice when smart features and straightforward controls are more important than inverter operation. Check the manufacturer’s window-fit guidance and allow room for its 24.02-inch depth during installation.

Best High-Capacity Choice – Keystone 23,200 BTU AC with Supplemental Heat

This 23,200 BTU Keystone window air conditioner with heat is rated for spaces up to 1,500 square feet. It combines high-capacity cooling with 16,000 BTU supplemental heat, dehumidification, fan circulation, four-way airflow, and a temperature-sensing remote.

Best For: Very large living rooms and apartments that need powerful window cooling with supplemental heating.

Pros:

• Highest cooling capacity in this roundup, with coverage up to 1,500 square feet.
• Includes supplemental heat, dehumidifier, fan circulation, and four-way swing.
• The remote senses room temperature and sends updates to the unit.
• Energy Saver and Sleep modes can help manage operation.

Cons:

• Supplemental heat is not designed to serve as a primary heat source.
• Heating mode is specified for outdoor temperatures between 23 and 76 degrees.
• Requires 230 volts, weighs 121 pounds, and needs a window at least 19.5 inches high and 31 inches wide.

This is the better fit when room size demands maximum cooling capacity from a window-mounted unit. Its electrical and window requirements are substantial, so verify both before purchase and plan for help with installation.

Quiet Bedroom Comfort – LG 7,600 BTU Window AC with Heat

If you need a window air conditioner with heat for a bedroom, office, or other medium-size room, this LG model combines 7,600 BTU cooling with supplemental heat. It covers up to 330 square feet and adds practical conveniences such as a remote, timer, washable filter, and auto restart.

Best For: Bedrooms, offices, and living rooms up to about 330 square feet where quieter operation and supplemental heat are priorities.

Pros:

• Cooling coverage for rooms up to 330 square feet.
• Supplemental heat, two fan speeds, and two cooling and heating speeds.
• Low-mode sound levels as low as 52 dB, plus a remote and 24-hour timer.
• Auto restart resumes operation after a power failure.

Cons:

• Heating is supplemental rather than a primary whole-home heating solution.
• Requires a 115V outlet and a window opening at least 22 inches wide and 14 inches high.
• At 69 pounds, installation may require some assistance.

With its manageable capacity and relatively quiet low setting, this LG is a practical window air conditioner with heat for everyday comfort in a medium room. Confirm the window dimensions and electrical requirements before ordering.

Large-Room Powerhouse – LG 23,000 BTU Window AC with Heat

For a large living room, den, bedroom, or office, this LG window air conditioner with heat delivers 23,000 BTU cooling coverage for spaces up to 1,400 square feet. It also provides 9,200/11,200 BTU supplemental heat, remote and button controls, auto restart, and two speed settings.

Best For: Large rooms or open spaces up to about 1,400 square feet that have a compatible 230V electrical circuit.

Pros:

• Designed to cool spaces up to 1,400 square feet.
• Offers 9,200/11,200 BTU supplemental heating.
• Remote and button controls, auto restart, and a washable filter add convenience.
• Low-mode sound levels are listed at 62 dB.

Cons:

• Requires 230V power rather than a standard 115V outlet.
• The 145-pound unit is substantial and may be difficult to install alone.
• Its large window requirements should be checked carefully before purchase.

This high-capacity LG is aimed at buyers who need serious cooling power plus supplemental heat, not a compact room unit. Verify the 230V circuit, window opening, and installation support before choosing it.

Flexible Four-Mode Value – ROVSUN 12,000 BTU Window AC with Heat

This ROVSUN window air conditioner with heat combines cooling, heating, dehumidifying, and fan operation for rooms up to 550 square feet. Its remote and LED controls support a 24-hour timer, ECO mode, automatic mode, and fan mode, while the included installation parts simplify setup.

Best For: Apartments, offices, and multipurpose rooms up to 550 square feet where multiple operating modes and included installation components are useful.

Pros:

• Four functions: cooler, heater, dehumidifier, and fan.
• Designed for rooms up to 550 square feet, with 9,000/11,000 BTU heating capacity.
• Remote and LED controls include a 24-hour timer and ECO mode.
• Side panels and mounting parts are included for assembly.

Cons:

• Requires 208/230V power, so it is not suitable for every window outlet.
• Noise is listed as low as 59 dB in the product description but 63 dB in the specifications.
• At 82.6 pounds, installation may be easier with assistance.

The ROVSUN stands out as a flexible window air conditioner with heat for buyers who want more than basic cooling. Check the required voltage and window dimensions carefully, and note the product’s differing noise figures when setting expectations.

Best Budget-Friendly 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 of supplemental heat. It also adds dehumidification, fan circulation, a washable filter, and remote control convenience.

Best For: Small- to medium-size rooms where affordable cooling and supplemental seasonal heat are the priorities.

Pros:

• Supports cooling, supplemental heating, dehumidification, and fan circulation in one window unit.
• Smart I Sense remote measures the temperature where you are and sends updates to the AC.
• Energy Saver and Sleep modes can help reduce electricity use.
• Includes a window installation kit and washable filter.

Cons:

• The supplemental heat is not intended to replace a primary heating system.
• At 60.6 pounds, installation may require some assistance.
• Its 55 dB operating noise may be noticeable in quiet rooms.

The Keystone is a practical all-season option for modestly sized rooms, especially if you value the temperature-sensing remote and multiple operating modes. Keep in mind that its heating function is supplemental and is designed for outdoor temperatures from 23 to 76 degrees.

Best for Larger Rooms – LG 12,200 BTU Window AC With Supplemental Heat

The LG LW1223HR is a window air conditioner with heat built for larger spaces, providing 12,200 BTU cooling coverage for rooms up to 570 square feet. Its supplemental heat setting, remote control, multiple speeds, and slide-in/out chassis make it a capable choice for medium rooms.

Best For: Medium-size rooms up to 570 square feet, particularly when stronger cooling capacity is more important than compact size.

Pros:

• Cools spaces up to 570 square feet with 12,200 BTU capacity.
• Offers two cooling, heating, and fan speeds for more control.
• Low mode operates at sound levels as low as 50 dB.
• Auto Restart restores operation after a power failure.

Cons:

• Requires a 230/208V electrical supply rather than a standard 115V outlet.
• At 93 pounds, it is substantially heavier than the other listed units.
• Supplemental heat adds warmth but is not described as a primary heating system.

The LG stands out when you need more cooling capacity for a room measuring roughly 19 by 30 feet. Confirm the required 230/208V power and window measurements before purchase, and plan for a careful installation because of the unit’s size and weight.

Best Quiet Comfort Pick – Frigidaire 8,000 BTU Window AC With Heat

For bedrooms and small living rooms, the Frigidaire FHWH084WB1 is a window air conditioner with heat that delivers 8,000 BTU cooling for spaces up to 350 square feet. It pairs supplemental heat with quiet operation, Eco and Sleep modes, Dry mode, and a 24-hour timer.

Best For: Bedrooms and small living rooms where quiet operation, scheduling, and straightforward remote control matter.

Pros:

• Designed for rooms up to 350 square feet with three fan speeds.
• Operates at 53 dBA and includes a Sleep mode for quieter use.
• Eco mode, Dry mode, and a 24-hour timer add everyday flexibility.
• Auto Restart restores previous settings after power is restored.

Cons:

• The heat function is supplemental and intended to support, not replace, primary heating.
• Its pre-filter requires regular cleaning when the filter alert appears.
• It does not offer inverter operation.

The Frigidaire is a well-rounded choice for smaller rooms if you want convenient scheduling and moisture removal alongside cooling. Its 53 dBA operation and Sleep mode make it particularly suitable for bedrooms, while the supplemental heat helps during cooler periods.

How We Picked the Best Window Air Conditioner with Heat

We compared these units by cooling and heating output, electrical requirements, estimated room coverage, control options, operating modes, and practical installation considerations. Because heating performance varies, we paid particular attention to whether a model provides supplemental heat rather than treating it as a replacement for a dedicated furnace or heat pump.

We also considered useful everyday features such as remote controls, timers, Wi-Fi connectivity, inverter operation, dehumidification, energy-saving modes, and fan-speed settings. The best choice depends on matching capacity and voltage to your room and electrical setup—not simply choosing the highest BTU rating.

Quick Comparison

• Small rooms: 7,600–8,000 BTU models are generally suited to bedrooms, offices, and apartments with modest cooling needs.
• Medium rooms: Around 12,000 BTU can suit larger bedrooms, living areas, or open spaces when insulation and sun exposure are moderate.
• Large rooms: 18,800–23,200 BTU units are designed for substantially larger spaces, but typically require a 230V outlet.
• Smartest controls: The Wi-Fi-enabled inverter model offers app control and potentially steadier operation.
• Most flexible: Four-in-one models combine cooling, supplemental heat, dehumidifying, and fan modes.

Key Buying Factors for a Window Air Conditioner with Heat

Room Size and BTU Capacity

Choose capacity based on the room’s square footage, ceiling height, insulation, sunlight, and number of occupants. An undersized unit may run continuously, while an oversized model can cool too quickly without removing enough humidity.

Voltage and Installation

Check the outlet before ordering. Many compact units use standard 115V power, while higher-capacity models require 230V or 208V service and may need a dedicated circuit. Confirm window width, minimum and maximum opening dimensions, unit weight, and support requirements as well.

Heating Expectations

Most window AC units in this roundup provide supplemental heat. They are useful for taking the chill off during mild weather, but they may not replace a primary heating system in freezing conditions. Review the heating BTU rating separately from the cooling rating.

Noise, Controls, and Efficiency

For bedrooms, look for quiet operation, sleep settings, timers, and adjustable fan speeds. Inverter technology can reduce temperature swings and cycling noise. Remote or app controls are especially useful when the unit is installed high in the window.

Who Should Buy Which Window Air Conditioner with Heat?

Choose an 8,000 BTU 115V model for a bedroom, office, or smaller apartment where simple installation matters. These units balance everyday cooling with supplemental heat and are usually the easiest to power.

Choose a 12,000 BTU model for a medium-size living room or open area that needs more capacity without moving to the largest class of window units.

Choose an 18,800–23,200 BTU unit for a large living space, but verify the 230V electrical requirement and installation support first.

Choose an inverter or Wi-Fi model if steadier temperature control, app access, and potentially quieter operation are more important than the lowest upfront price. Before purchasing, confirm the manufacturer’s room-size guidance, warranty, dimensions, and local electrical requirements.