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

Written by: Editor In Chief
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A window air conditioner with heat can provide practical year-round comfort without the cost or installation demands of a full HVAC system. The right model can cool efficiently in summer, add supplemental warmth during shoulder seasons, and reduce humidity in bedrooms, apartments, offices, and living spaces.

These 10 options span compact 8,000-BTU units, high-capacity models for large rooms, inverter technology, smart controls, dehumidification, and heat-pump or supplemental-heat configurations. Use the room-size guidance, electrical requirements, and feature comparisons below to narrow the list.

Best 10 Window Air Conditioner with Heat Picks for 2026

Quiet Smart Pick

Midea 8,000 BTU Window AC with Heat

Midea 8,000 BTU Window AC with Heat
  • Inverter design with up to 35% stated energy savings
  • 45 dBA operation and washable filter
  • App, voice, remote, and panel controls

Best For: Quiet smart comfort in rooms up to 350 square feet

Connected Value

ROVSUN 8,000 BTU Window AC with Heat

ROVSUN 8,000 BTU Window AC with Heat
  • Cooling, 4,000 BTU heat, dry, and fan modes
  • Wi-Fi, Alexa, and Google Assistant support
  • Includes installation parts and one-year warranty

Best For: App-controlled comfort in rooms up to 350 square feet

Large-Room Powerhouse

LG 18,000 BTU Window AC with Heat

LG 18,000 BTU Window AC with Heat
  • Designed for rooms up to 1,000 square feet
  • LG ThinQ, Alexa, and Hey Google control
  • Requires 230V power and weighs 132 pounds

Best For: Large living rooms and apartments with compatible 230V power

Efficient Inverter Option

ROVSUN 11,000 BTU Window AC with Heat

ROVSUN 11,000 BTU Window AC with Heat
  • Inverter design with advertised 35% energy savings
  • 11,000 BTU cooling and 11,100 BTU heating
  • 40 dBA sleep-mode noise rating

Best For: Energy-conscious users seeking quiet, powerful seasonal comfort

Smart All-Season Pick

Garvee 8000 BTU Window AC with Heat

Garvee 8000 BTU Window AC with Heat
  • Four-in-one cooling, heat, dehumidifier, and fan operation
  • App, Alexa-compatible voice, remote, and touch controls
  • Designed for rooms up to 350 square feet

Best For: Smaller rooms needing smart controls and seasonal flexibility

Large-Room Supplemental Heat

LG 12,200 BTU Window AC

LG 12,200 BTU Window AC
  • Cools rooms up to 570 square feet
  • Cooling, supplemental heat, and fan speeds
  • Requires 230/208V power

Best For: Medium rooms needing higher capacity and supplemental heating

High-Capacity Value Option

ROVSUN 12000 BTU Window AC with Heat

ROVSUN 12000 BTU Window AC with Heat
  • Designed for rooms up to 550 square feet
  • Four-in-one cooling, heating, dehumidifying, and fan operation
  • Includes timer, ECO mode, remote, and installation parts

Best For: Larger rooms with compatible 208/230V electrical service

Quiet Small-Room Pick

Frigidaire 8,000 BTU Window AC with Supplemental Heat

Frigidaire 8,000 BTU Window AC with Supplemental Heat
  • Cools and supplements heat for rooms up to 350 sq. ft.
  • Quiet 53 dBA operation with Sleep and Eco modes.
  • Remote, timer, washable filter, and auto restart included.

Best For: Bedrooms and small living rooms

Large-Space Powerhouse

Keystone 23,200 BTU Window AC with Heat

Keystone 23,200 BTU Window AC with Heat
  • Cools up to 1,500 sq. ft. with 23,200 BTU capacity.
  • Adds 16,000 BTU supplemental heat and dehumidification.
  • Smart temperature-sensing remote and Energy Saver mode.

Best For: Large rooms and open spaces

Best Simple Pick

Keystone 8,000 BTU Window AC with Heat

Keystone 8,000 BTU Window AC with Heat
  • Inverter design rated 17% more efficient than average units.
  • Quieter operation for rooms up to 350 sq. ft.
  • Cooling, supplemental heat, dehumidification, and remote control.

Best For: Medium rooms prioritizing efficiency and lower noise

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

The Midea 8,000 BTU is a strong window air conditioner with heat for rooms up to 350 square feet. Its inverter compressor, dehumidifier mode, app control, and low 45 dBA noise rating make it especially practical for bedrooms, apartments, and other spaces where quiet operation matters. Note that its heat-pump function works when outdoor temperatures are above 41°F.

Best For: Bedrooms and apartments up to 350 square feet where quiet, connected operation and energy efficiency are priorities.

Pros:

  • Inverter technology is rated for up to 35% energy savings compared with the Energy Conservation Standard.
  • Offers cooling, supplemental heat, dehumidification, fan, and automatic modes.
  • Very quiet operation, with noise as low as 45 dBA.
  • Supports app, remote, control-panel, Alexa, and Google Assistant control.

Cons:

  • Heat-pump operation is limited when outdoor temperatures fall to 41°F or below.
  • Requires a double-hung window with a 24- to 38.5-inch opening and 14.5 inches of vertical clearance.

Choose this model if quiet performance and smart-home convenience are more important than maximum heating in cold weather. Its inverter design and washable front-access filter also make it a well-rounded year-round option for appropriately sized rooms.

Connected Value – ROVSUN 8,000 BTU Window AC with Heat

The ROVSUN 8,000 BTU is a practical window air conditioner with heat for spaces up to 350 square feet. It combines 8,000 BTU cooling with 4,000 BTU heating, dehumidification, fan operation, Wi-Fi control, and a 24-hour timer. Its included installation parts are designed for windows 26 to 36 inches wide and about 16 inches high.

Best For: Homes, offices, and apartments seeking app-enabled seasonal climate control at a straightforward feature set.

Pros:

  • Provides cooling, 4,000 BTU heating, dry, fan, and automatic modes.
  • Wi-Fi, Alexa, Google Assistant, remote, and panel controls offer flexible operation.
  • Includes an ECO mode, washable front-access filter, swing louvers, and 24-hour timer.
  • Comes with side panels and installation parts, plus a one-year warranty.

Cons:

  • Its 57 dB noise rating is higher than the quieter models in this roundup.
  • It uses a non-inverter design and lists 550 kWh annual energy consumption.
  • Window fit requirements should be checked carefully before purchase.

This ROVSUN is a sensible choice when smart controls and multi-season functionality matter more than ultra-quiet operation or inverter efficiency. Confirm the window dimensions and available 115V outlet before ordering.

Large-Room Powerhouse – LG 18,000 BTU Window AC with Heat

The LG 18,000 BTU is a high-capacity window air conditioner with heat designed for medium and large rooms up to 1,000 square feet. It provides Wi-Fi and voice control through LG ThinQ, two cooling, heating, and fan speeds, a 24-hour timer, and auto restart after a power failure. This is a substantial 230V unit, so verify electrical and window requirements before buying.

Best For: Large living rooms, apartments, and open spaces up to 1,000 square feet with a compatible 230V electrical supply.

Pros:

  • 18,000 BTU cooling capacity is designed for spaces up to 1,000 square feet.
  • LG ThinQ enables remote operation and works with Alexa and Hey Google.
  • Includes supplemental heating, energy-saver mode, auto restart, and a washable filter.
  • Four-way swing and electronic controls help direct and manage airflow.

Cons:

  • Requires 230V power, which is less widely available than standard 115V power.
  • At 132 pounds, this unit may require extra care during installation.
  • Its 61 dB noise rating and non-inverter design may not suit buyers prioritizing quiet efficiency.

For large rooms, the LG offers considerably more capacity than compact window heat-pump models. Its size, weight, 230V requirement, and window opening specifications make installation planning especially important.

Efficient Inverter Option – ROVSUN 11,000 BTU Window AC with Heat

The ROVSUN 11,000 BTU is a window air conditioner with heat that adds inverter operation, dehumidification, fan-only mode, ECO settings, and a 4-way swing. It lists 11,000 BTU cooling and 11,100 BTU heating capacity, although the supplied specifications also identify a 350-square-foot coverage rating. It operates on 115V power and fits windows approximately 24.5 to 36 inches wide with 15.5 inches of height.

Best For: Buyers wanting inverter efficiency, strong heating and cooling output, and quieter sleep-mode operation in a properly sized room.

Pros:

  • Inverter technology is advertised as providing 35% more energy savings than traditional units.
  • Offers 11,000 BTU cooling, 11,100 BTU heating, dehumidifying, and fan-only operation.
  • Sleep-mode noise is rated as low as 40 dBA.
  • Includes ECO mode, a 24-hour timer, remote control, and 4-way airflow.

Cons:

  • The supplied notes give both a 350-square-foot coverage description and a 550-square-foot reference, so sizing should be confirmed carefully.
  • Heat mode should not be operated below 5°F, while Cool/ECO mode should not be used below 32°F.
  • Side panels require attachment during installation.

This model stands out for combining inverter efficiency with a comparatively quiet sleep mode and substantial heating output. Check the manufacturer’s room-sizing guidance and your local temperature conditions to ensure the operating limits fit your needs.

Smart All-Season Pick – Garvee 8000 BTU Window AC with Heat

The Garvee 8000 BTU window air conditioner with heat is designed for smaller spaces up to 350 square feet. It combines cooling, supplemental heating, dehumidifying, and fan operation with app, voice, remote, and panel controls.

Best For: Bedrooms, apartments, and living spaces up to 350 square feet where smart controls and multi-season flexibility matter.

Pros:

  • Four-in-one operation provides cooling, supplemental heat, dehumidifying, and fan modes.
  • App, Alexa-compatible voice, remote, and touch controls offer flexible operation.
  • Includes ECO, sleep, timer, and four-way airflow settings.
  • Low noise rating of up to 52 dB and a washable filter with cleaning alert.

Cons:

  • Its 350-square-foot coverage is more limited than larger units in this roundup.
  • Requires a 115V outlet and windows 16 inches tall and 26 to 36 inches wide.
  • Heating is supplemental rather than a replacement for a dedicated heating system.

Choose the Garvee if convenient smart-home control and versatile seasonal operation are priorities. Confirm the window dimensions and electrical requirements before ordering.

Large-Room Supplemental Heat – LG 12,200 BTU Window AC

The LG 12,200 BTU window air conditioner with heat is built for medium-sized rooms up to 570 square feet. It offers cooling, supplemental heating, and fan speeds with electronic controls and a remote.

Best For: Medium rooms such as bedrooms or 19-by-30-foot spaces that need higher cooling capacity and supplemental heat.

Pros:

  • Rated to cool spaces up to 570 square feet.
  • Provides supplemental heat plus two cooling, heating, and fan speeds.
  • Low-mode sound level is listed as low as 50 dB.
  • Includes auto restart, washable filter, filter reminder, and remote control.

Cons:

  • Requires a 230/208V electrical supply rather than a standard 115V outlet.
  • It is a larger, heavier unit at 93 pounds.
  • Heating is supplemental, so it may not replace primary heating.

The LG is a strong fit when room coverage and established-brand features are more important than portability. Check the required voltage and window fit carefully before installation.

High-Capacity Value Option – ROVSUN 12000 BTU Window AC with Heat

The ROVSUN 12,000 BTU window air conditioner with heat is intended for rooms up to 550 square feet. Its four-in-one design combines cooling, heating, dehumidifying, and fan functions, with timer, ECO, automatic, and remote-control features.

Best For: Apartments, offices, and multi-purpose rooms needing broad coverage from a 208/230V window unit.

Pros:

  • Designed for spaces up to 550 square feet.
  • Combines cooling, heating, dehumidifying, and fan operation.
  • Includes a 24-hour timer, ECO mode, automatic mode, LED display, and remote.
  • Comes with mounting parts and an installation manual.

Cons:

  • Requires 208/230V power.
  • Its supplied noise details vary, listing operation as low as 59 dB and a 63 dB specification.
  • Window compatibility and voltage should be confirmed before purchase.

The ROVSUN makes sense for shoppers seeking broad room coverage and multiple operating modes in one unit. Its 208/230V requirement is the key installation consideration.

Quiet Small-Room Pick – Frigidaire 8,000 BTU Window AC with Supplemental Heat

If you need a window air conditioner with heat for a bedroom or small living room, this Frigidaire model covers spaces up to 350 square feet. It combines 8,000 BTU cooling with supplemental heat, remote control convenience, and quiet 53 dBA operation.

Best For: Bedrooms and small living rooms needing straightforward year-round comfort.

Pros:

  • Supports cooling and supplemental heating for up to 350 square feet.
  • Quiet 53 dBA operation, plus Sleep and Eco modes.
  • Remote control, 24-hour timer, auto restart, and clean-filter alerts.
  • Six-way airflow and three fan speeds allow flexible comfort control.

Cons:

  • Supplemental heat is not intended to replace a primary heating system.
  • It uses a non-inverter compressor.
  • Installation requires a 19-inch minimum window width and height.

This is a practical choice when low noise and convenient controls matter more than advanced inverter efficiency. Its washable filter, dry mode, and auto restart add useful everyday convenience.

Large-Space Powerhouse – Keystone 23,200 BTU Window AC with Heat

For a large room, this window air conditioner with heat delivers 23,200 BTU of cooling and 16,000 BTU of supplemental heating for spaces up to 1,500 square feet. It also adds dehumidification, fan circulation, and a smart remote that measures the temperature near you.

Best For: Large rooms and open spaces that need high-capacity cooling with supplemental heat.

Pros:

  • High cooling capacity covers spaces up to 1,500 square feet.
  • Includes 16,000 BTU supplemental heat, dehumidification, and fan circulation.
  • Smart remote displays room temperature and sends updates every three minutes.
  • Energy Saver and Sleep modes can help reduce unnecessary operation.

Cons:

  • Requires a 230-volt connection.
  • Large and heavy at 121 pounds, so installation may require extra planning.
  • Supplemental heating is intended for outdoor temperatures from 23 to 76 degrees and is not a primary heat source.

The Keystone is the capacity-focused option in this lineup, but its electrical and window requirements are substantial. Confirm the 230V supply, minimum 19.5-inch window height, and wide opening requirements before buying.

Best Simple Pick – Keystone 8,000 BTU Window AC with Heat

This Keystone window air conditioner with heat is designed for medium rooms up to 350 square feet. Its inverter technology adjusts motor speed to match demand, while the unit provides cooling, supplemental heat, and dehumidification through a 115-volt window installation.

Best For: Medium rooms where quieter, more efficient operation is a priority.

Pros:

  • Inverter operation is rated 17% more energy efficient than average window units.
  • Operates 24% quieter on low and 6% quieter on high than regular room air conditioners.
  • Provides cooling, supplemental heat, and dehumidification for up to 350 square feet.
  • Includes remote control, washable filter, and clean-filter alert.

Cons:

  • Supplemental heat is intended for outdoor temperatures between 41 and 75 degrees and is not primary heat.
  • Requires a window at least 24 inches wide and 14.5 inches tall.
  • Has a one-year limited warranty.

With inverter efficiency and quieter operation, this model is a strong fit for apartments, bedrooms, or multipurpose rooms. Its supplemental heat is useful in mild conditions, but buyers should still plan on a separate primary heating source.

How We Picked the Best Window Air Conditioner with Heat

We compared these units by cooling capacity, stated room coverage, heating capability, efficiency, controls, noise-related features, and everyday convenience. We also considered whether each model includes a remote, timer, dehumidifier, fan settings, Wi-Fi, or inverter technology. Because installation requirements vary, voltage and window compatibility were treated as essential—not optional—buying criteria.

Capacity claims are useful starting points, but insulation, ceiling height, sunlight, climate, and room layout can change real-world performance. A properly sized unit generally runs more efficiently and maintains steadier comfort than one that is significantly oversized or undersized.

Quick Comparison

Best For Typical Choice What to Look For
Small bedrooms or offices 8,000 BTU models Coverage near 350 square feet, quiet operation, and simple controls
Medium living areas 11,000–12,000 BTU models Coverage around 550–570 square feet, timer, remote, and dehumidification
Large rooms or open spaces 18,000–23,200 BTU models High capacity, 230V power, reinforced installation, and adequate clearance
Lower energy use Inverter models Variable-speed operation and an Energy Star rating
Connected convenience Smart Wi-Fi models App scheduling, voice control, and dependable manual controls

Key Buying Factors for a Window Air Conditioner with Heat

Cooling and Heating Capacity

Match BTUs to the room rather than choosing the largest number available. Most compact models in this roundup target rooms up to about 350 square feet, while higher-capacity units are intended for larger spaces. Supplemental heat is usually best for taking the chill off; it may not replace a primary heating system in severe winter conditions.

Voltage and Installation

Check the outlet and circuit before ordering. Many compact units use standard 115V power, while larger models commonly require 230V or 208V service. Confirm the minimum and maximum window dimensions, included side panels, unit weight, and whether a support bracket or professional installation is recommended.

Efficiency, Noise, and Controls

Inverter compressors can adjust output instead of repeatedly cycling on and off, potentially improving efficiency and comfort. Energy Star certification is another useful screening factor. For bedrooms, prioritize quiet operation, sleep mode, and a timer. Wi-Fi and voice controls are convenient, but physical controls and a remote remain valuable if the network is unavailable.

Humidity and Airflow Features

A built-in dehumidifier can make damp rooms feel more comfortable, while multiple fan speeds help distribute conditioned air. Consider airflow direction and whether the unit can reach the far side of the room without creating an uncomfortable draft.

Who Should Buy Which Window Air Conditioner with Heat?

Choose an 8,000-BTU unit for a modest bedroom, office, studio, or apartment room when standard voltage and compact coverage are priorities. Select an inverter model if you expect frequent use and want steadier temperatures with potentially lower energy consumption. A smart model suits households that value app scheduling or voice control.

For medium rooms, 11,000- to 12,000-BTU options offer a useful balance of capacity and versatility. Large open rooms should be matched with high-BTU models, but verify the electrical circuit and installation requirements first. Finally, choose a unit with supplemental heat when you need transitional-season warmth—not necessarily as the sole heater for a cold-weather climate.