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

A window air conditioner with heat can provide practical year-round climate control without the footprint or installation cost of a full HVAC system. The right model can cool a bedroom, apartment, or large living area in summer while supplying supplemental warmth during mild winter weather.

These 10 options range from compact 115V units for smaller rooms to high-capacity 230V models for expansive spaces. Compare room coverage, heating performance, electrical requirements, noise, controls, and efficiency before choosing.

Best 10 Window Air Conditioner with Heat Picks for 2026

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

The Midea 8,000 BTU window air conditioner with heat is a versatile choice for rooms up to 350 square feet. Its inverter compressor, dehumidifier, app controls, and supplemental heat make it well suited to year-round comfort, though the heat-pump function requires outdoor temperatures above 41°F.

Best For: Bedrooms, apartments, and larger rooms where quiet operation and smart controls matter.

Pros:

• Inverter design is rated for up to 35% energy savings compared with the Energy Conservation Standard.
• Quiet operation as low as 45 dBA.
• App, remote, voice, and panel controls with five operating modes.
• Energy Star rated with cooling, dehumidifying, and supplemental heating.

Cons:

• Heat-pump operation is limited to outdoor temperatures above 41°F.
• Requires a double-hung window with a 24- to 38.5-inch opening and 14.5-inch minimum vertical clearance.

This is a strong all-season window air conditioner with heat for buyers prioritizing efficiency, low noise, and connected controls. Confirm the window measurements and expected outdoor temperatures before purchasing.

Best Quiet Value – ROVSUN 8,000 BTU Inverter AC with Heater

The ROVSUN 8,000 BTU window air conditioner with heat combines cooling, heating, fan-only operation, and inverter technology for rooms up to 350 square feet. Wi-Fi and voice controls add convenience, while the unit reaches 40 dB in sleep mode.

Best For: Bedrooms, apartments, and offices needing a compact smart unit with quiet sleep operation.

Pros:

• Provides 8,000 BTU cooling and 8,400 BTU heating capacity.
• Inverter technology is described as delivering 35% more energy savings than traditional units.
• Wi-Fi app, Alexa, Google Assistant, remote, and touch controls.
• Sleep-mode noise is rated at only 40 dB, with four-way swing airflow.

Cons:

• Cool/ECO mode should not be used below 32°F, and heat mode should not be used below 5°F.
• Window fit is limited to openings from 24.5 to 36 inches wide with a 14.5-inch minimum height.

With strong stated heating capacity and very quiet sleep performance, this ROVSUN is an appealing option for year-round room comfort. Check the operating-temperature limits and window dimensions before installation.

Best for Large Rooms – Keystone 23,200 BTU Window AC with Heat

The Keystone 23,200 BTU window air conditioner with heat is designed for large spaces up to 1,500 square feet. It adds 16,000 BTU of supplemental heat, dehumidification, fan circulation, and a temperature-sensing smart remote, but it requires a 230-volt electrical connection.

Best For: Large bedrooms, living rooms, and other spaces requiring high-capacity cooling.

Pros:

• High 23,200 BTU cooling capacity for spaces up to 1,500 square feet.
• Includes 16,000 BTU supplemental heating, dehumidifying, and fan modes.
• Smart remote measures room temperature and sends updates every three minutes.
• Energy Saver and Sleep modes can help reduce electricity use.

Cons:

• Requires 230 volts and is substantially heavier and larger than the 115-volt options.
• Heating is supplemental rather than a primary heat source.
• At 56.3 dB, it is not the quietest option in this roundup.

This Keystone is the capacity-focused choice for large rooms, not compact spaces or standard 115-volt outlets. Verify the electrical supply and window opening, which must be at least 19.5 inches high and 31 inches wide.

Best Budget Smart Option – ROVSUN 8,000 BTU Window AC with Heat

This ROVSUN 8,000 BTU window air conditioner with heat provides cooling, 4,000 BTU heating, dehumidification, and fan operation for rooms up to 350 square feet. It includes Wi-Fi and voice control, a timer, an ECO mode, and a washable front-access filter.

Best For: Smaller rooms, offices, and apartments wanting basic smart control and multi-season operation.

Pros:

• Combines 8,000 BTU cooling with 4,000 BTU heating for rooms up to 350 square feet.
• Offers five modes, three fan speeds, a 24-hour timer, and ECO energy-saving mode.
• Supports app, remote, panel, and voice control.
• Includes a washable, front-access filter and a one-year warranty.

Cons:

• Its 57 dB noise rating is higher than the other compact ROVSUN model listed here.
• Uses a non-inverter compressor and has a lower stated efficiency rating than the inverter alternatives.
• Heating capacity is limited to 4,000 BTU and the heat function is not described as primary heating.

This model is a practical window air conditioner with heat for buyers who want smart features without moving to a larger system. Measure carefully: the specified window range is 26 to 36 inches wide with a 16-inch height requirement.

Large-Room Heat & Cool Pick – LG 12,200 BTU Window AC with Heat

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

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If you need a window air conditioner with heat for a larger bedroom, living area, or other medium-size room, this LG model provides 12,200 BTUs of cooling and supplemental heat. Its remote, washable filter, two speeds, and slide-in chassis add practical convenience, while the 230/208V requirement should be confirmed before purchase.

Best For: Medium rooms up to 570 square feet where higher cooling capacity and supplemental heat are priorities.

Pros:

• Rated to cool rooms up to 570 square feet.
• Provides cooling, heating, and fan operation with two speeds for each.
• Low-mode sound levels are listed as low as 50 dB.
• Includes a remote, washable filter, filter reminder, and auto restart.

Cons:

• Requires a 230/208V electrical connection rather than a standard 115V outlet.
• At 93 pounds, it may require extra care during installation.
• Its listed dimensions require careful window measurement.

This is the strongest capacity option in the group, making it a practical choice for larger spaces. Verify both the electrical supply and window fit before ordering.

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Compact 4-in-1 Value Pick – ROVSUN 8,000 BTU Window AC with Heat

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

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This ROVSUN window air conditioner with heat combines cooling, heating, dehumidifying, and fan functions in a 115V unit designed for compact spaces. A remote, LED display, timer, ECO mode, and included installation parts make it a versatile option for rooms up to 350 square feet.

Best For: Bedrooms, apartments, offices, and other compact rooms needing multiple operating modes.

Pros:

• Offers four functions: cooler, heater, dehumidifier, and fan.
• Uses a standard 115V power supply.
• Includes a 24-hour timer, ECO mode, automatic mode, and remote control.
• Listed noise levels are as low as 52 dB.

Cons:

• Its 350-square-foot coverage is less suited to larger rooms.
• The supplied details list one power level.
• Window dimensions should be checked carefully before installation.

With its broad feature set and standard-voltage design, this ROVSUN is a flexible choice for smaller rooms. Choose it when dehumidifying and multiple automatic controls matter as much as basic heating and cooling.

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Bedroom-Friendly Choice – LG 7,600 BTU Window AC with Heat

LG 7,600 BTU Window Air Conditioner with Heat, 115V, Cools 330 Sq.Ft. for Bedroom, Living Room, Apartment, with Remote, 2 Speeds, Slide In-Out Chassis, 24-hour Timer, White

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For a bedroom, office, or apartment, this LG window air conditioner with heat offers cooling for spaces up to 330 square feet plus supplemental heat for cooler days. It includes a remote, two speeds, a 24-hour timer, auto restart, and a slide-in chassis, with a standard 115V connection.

Best For: Bedrooms and smaller living spaces that need straightforward cooling with supplemental heat.

Pros:

• Designed for rooms up to 330 square feet.
• Provides two cooling, heating, and fan speeds.
• Low-mode sound levels are listed as low as 52 dB.
• Includes a remote, 24-hour timer, washable mesh filter, and auto restart.

Cons:

• Coverage is limited compared with the larger LG model.
• The unit weighs 69 pounds, which may make installation a two-person task.
• Window measurements should be confirmed before purchase.

This model balances a manageable room rating with useful everyday controls and supplemental heat. It is a sensible fit when a standard 115V outlet and quieter low-mode operation are more important than maximum coverage.

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High-Capacity Pick – ROVSUN 12,000 BTU Window AC with Heat

For larger rooms, this window air conditioner with heat combines 12,000 BTU cooling with up to 11,000 BTU supplemental heating. It also adds dehumidifying, fan, ECO, auto, and timer functions, making it a versatile choice for spaces up to 550 square feet.

Best For: Larger bedrooms, living areas, offices, or apartments that need both cooling and supplemental heat.

Pros:

• Designed for rooms up to 550 square feet with 12,000 BTU cooling.
• Offers cooling, heating, dehumidifying, and fan modes.
• Includes a remote, 24-hour timer, ECO mode, and installation components.
• Noise levels are listed as low as 59 dB.

Cons:

• Requires a 208/230V electrical connection, so it is not suitable for every outlet.
• At 82.6 pounds, installation may require extra assistance.
• Buyers must verify window dimensions and voltage before purchase.

The ROVSUN stands out when room coverage and four-season functionality matter most. Its higher-voltage requirement and heavier build make compatibility checks especially important.

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

This window air conditioner with heat is sized for rooms up to 350 square feet and operates at a stated 53 dBA. It provides cooling plus supplemental heat, with remote control, Eco, Sleep, Dry, and timer settings for straightforward everyday use.

Best For: Bedrooms and small living rooms where quiet operation and simple temperature control are priorities.

Pros:

• Designed for spaces up to 350 square feet.
• Quiet 53 dBA operation is suitable for bedrooms and living rooms.
• Includes Eco, Sleep, Dry, and 24-hour timer modes.
• Clean Filter alerts and a washable filter simplify maintenance.

Cons:

• The heat function is supplemental rather than a replacement for a primary heating system.
• Cooling capacity is lower than larger 12,000 BTU models.
• Window dimensions should be checked carefully before installation.

Frigidaire’s model is a practical fit for smaller rooms, especially when low operating noise and easy maintenance are more important than maximum coverage.

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

Garvee’s window air conditioner with heat adds app, voice, and remote control to a four-in-one unit for rooms up to 350 square feet. Along with cooling and supplemental heating, it provides dehumidifying, fan circulation, scheduling, ECO, Sleep, and auto modes.

Best For: Apartment bedrooms or living spaces where smart-home control and flexible operating modes are useful.

Pros:

• Supports app, remote, touch, and Alexa-compatible voice control.
• Combines cooling, supplemental heating, dehumidifying, and fan modes.
• Offers a 24-hour timer, ECO mode, Sleep mode, and four-way airflow adjustment.
• Stated noise levels can be as low as 52 dB.

Cons:

• Its 350-square-foot rating limits it to smaller spaces.
• At 81.4 pounds, mounting may be easier with assistance.
• Annual energy consumption is listed at 1,838 kWh, so usage costs should be considered.

The Garvee is the strongest choice here for connected convenience. Its smart controls and broad mode selection are appealing, provided the window fits the specified 16-inch height and 26- to 36-inch width range.

How We Picked the Best Window Air Conditioner with Heat

We compared the selected models by cooling and heating capacity, stated room coverage, voltage requirements, operating modes, control options, dehumidification, energy-saving features, and practical installation considerations. We also looked for useful combinations of cooling, supplemental heat, fan, and dehumidifier functions, since versatility is a major reason to choose this type of appliance.

Because manufacturer specifications and room conditions vary, treat advertised square-foot coverage as a starting point rather than a guarantee. Ceiling height, insulation, sunlight, window placement, and local climate can all change the required capacity.

Quick Comparison

Room Type	Typical Capacity	What to Prioritize
Bedroom or small office	About 7,600–8,000 BTU	Quiet operation, remote control, and compact installation
Apartment or medium living room	About 8,000–12,000 BTU	Room coverage, dehumidification, timer, and efficient operation
Large living area	About 12,200–23,200 BTU	High capacity, supplemental heat output, and correct electrical service

Key Buying Factors for a Window Air Conditioner with Heat

Capacity and Room Size

Match BTUs to the room instead of automatically choosing the largest unit. An undersized model may run constantly, while an oversized unit can cool too quickly without removing enough humidity. Account for direct sun, high ceilings, poor insulation, and open floor plans when sizing.

Heating Type and Seasonal Expectations

Most window models provide supplemental heat rather than replacing a central furnace or dedicated heat pump. Check the heating BTU rating, minimum operating temperature, and whether the unit uses electric resistance heat. These details matter if you expect reliable warmth during cold weather.

Voltage, Window Fit, and Installation

Many compact units use a standard 115V outlet, while larger models may require 230V or 230/208V service. Confirm the outlet and circuit before buying. Measure window width, opening height, sill depth, and available support space, and verify that the unit is designed for your window style.

Noise, Efficiency, and Controls

For bedrooms, prioritize lower noise ratings, sleep settings, and inverter operation where available. Energy-saving modes, programmable timers, remote controls, and washable filters can reduce operating costs and simplify daily use. A dehumidifier mode is especially useful in humid climates.

Who Should Buy Which Window Air Conditioner with Heat?

Choose a compact 7,600–8,000 BTU model for a bedroom, office, or smaller apartment room. A 12,000 BTU option is better suited to a larger living space or an area with substantial heat gain. High-capacity 23,200 BTU units are intended for very large rooms and require careful electrical planning.

For quiet, efficient everyday cooling, prioritize an inverter model. For occasional seasonal use, a simpler 4-in-1 unit may offer better value. If winter comfort is important, compare supplemental heat ratings rather than relying only on the product title. Finally, select a model that fits both your room and your electrical setup—capacity alone does not guarantee the best result.