A window air conditioner with heat can provide practical year-round climate control without the cost or installation work of a full central HVAC system. These units combine cooling, supplemental heating, fan modes, and often dehumidification in one window-mounted appliance.
Our roundup includes compact 8,000 BTU models for bedrooms and apartments, connected options with Wi-Fi, and high-capacity units designed for large rooms. Use the guide below to match cooling capacity, electrical requirements, features, and installation needs to your space.
Best 10 Window Air Conditioner with Heat Picks for 2026
Quiet Smart Pick
Midea 8,000 BTU Window AC with Heat
- Inverter and Energy Star rated
- Smartphone and voice control
- 45 dBA operation; 350 sq. ft. coverage
Best For: Quiet, connected comfort in rooms up to 350 square feet
All-Season Value
ROVSUN 8,000 BTU Window AC with Heat
- Cooling, 4,000-BTU heat, and dehumidification
- Wi-Fi, app, and voice control
- Designed for rooms up to 350 sq. ft.
Best For: Connected all-season climate control on a practical budget
Large-Room Powerhouse
LG 18,000 BTU Window AC with Heat
- Covers rooms up to 1,000 sq. ft.
- ThinQ, Alexa, and Google voice control
- Requires 230V power; weighs 132 lb.
Best For: Large rooms and apartments needing high-capacity cooling
Efficient Mid-Size Choice
Midea 12,000 BTU Window AC with Heat
- Cools spaces up to 550 sq. ft.
- Inverter, Energy Star, and 45 dBA operation
- Smart controls with supplemental heat
Best For: Efficient, quiet comfort in medium-size rooms
Best Compact-Room Value
ROVSUN 8,000 BTU Window AC with Heat
- Cools rooms up to 350 sq. ft.
- Four operating functions with remote control
- 115V design with timer and ECO mode
Best For: Compact bedrooms, offices, and apartments
Best for Medium Rooms
LG 12,200 BTU Window AC with Supplemental Heat
- Cools up to 570 sq. ft.
- Two speeds for cooling, heating, and fan modes
- Auto restart and remote control included
Best For: Medium rooms with compatible 230/208V power
Best High-Capacity 4-in-1
ROVSUN 12,000 BTU Window AC with Heat
- Cools rooms up to 550 sq. ft.
- Cooling, heating, dehumidifying, and fan modes
- 208/230V unit with remote and installation kit
Best For: Larger multipurpose rooms with compatible voltage
Quiet Small-Room Comfort
Frigidaire 8,000 BTU Window AC with Heat
- Cools and provides supplemental heat for up to 350 sq. ft.
- Runs at a stated 53 dBA with Sleep and Eco modes.
- Includes remote, timer, washable filter, and Auto Restart.
Best For: Bedrooms and small living rooms
Smart All-Season Flexibility
Garvee 8,000 BTU Window AC with Heat
- Combines cooling, supplemental heat, dehumidifying, and fan modes.
- Supports app, remote, touch, and Alexa-compatible voice control.
- Fits rooms up to 350 sq. ft. and operates as low as 52 dB.
Best For: Connected apartment bedrooms and living spaces
Large-Space Power
Keystone 23,200 BTU Window AC with Heat
- Cools up to 1,500 sq. ft. with 23,200 BTU capacity.
- Adds 16,000 BTU of supplemental heating and dehumidification.
- Requires 230V power and larger window dimensions.
Best For: Large rooms needing high-capacity cooling
Quiet Smart Pick – Midea 8,000 BTU Window AC with Heat
For bedrooms, apartments, and other spaces up to 350 square feet, this Midea window air conditioner with heat combines cooling, dehumidification, and supplemental heating in one 115V unit. Its inverter compressor, smart controls, and low 45 dBA noise rating make it a feature-rich option for year-round comfort. Note that the heat-pump function works only when the outdoor temperature is above 41°F.
Best For: Quiet, connected comfort in rooms up to 350 square feet.
Pros:
- Inverter technology and Energy Star certification may help reduce energy use.
- App, remote, panel, Alexa, and Google Assistant control options.
- Five modes, including heat, cool, dry, auto, and fan.
- Quiet operation rated as low as 45 dBA.
Cons:
- Heat-pump operation is unavailable below 41°F outdoors.
- Fits double-hung windows with a 24- to 38.5-inch opening and 14.5-inch vertical clearance.
This is a strong choice if quiet operation, energy-conscious cooling, and smart-home integration matter as much as supplemental heat. Verify the window dimensions and seasonal heating limitations before buying.
All-Season Value – ROVSUN 8,000 BTU Window AC with Heat
This ROVSUN window air conditioner with heat provides 8,000 BTUs of cooling and 4,000 BTUs of heating for rooms up to 350 square feet. It also includes dehumidifying, fan, Wi-Fi, and voice-control functions, making it a practical all-season unit for a home office, apartment, or bedroom.
Best For: Buyers seeking Wi-Fi-enabled cooling and supplemental heat at a straightforward price point.
Pros:
- Combines cooling, 4,000-BTU heating, dehumidifying, and fan modes.
- Wi-Fi app control and compatibility with Alexa and Google Assistant.
- Includes a 24-hour timer, ECO mode, washable filter, and adjustable louvers.
- Installation parts and side panels are included.
Cons:
- Its 57 dB noise rating is higher than the quieter Midea models in this roundup.
- Non-inverter design and listed annual energy consumption of 550 kWh may be less energy-conscious.
- Window requirements should be checked carefully; the listed dimensions include a 26- to 36-inch width range.
ROVSUN packs useful seasonal and smart features into a compact-capacity unit. It is worth considering when app control and included installation components are priorities, provided the noise level and window fit work for your space.
Large-Room Powerhouse – LG 18,000 BTU Window AC with Heat
With 18,000 BTUs of cooling, this LG window air conditioner with heat is designed for substantially larger spaces, covering rooms up to 1,000 square feet. Wi-Fi through LG ThinQ, voice control, a remote, and auto restart add convenience, while the supplemental heating function extends its usefulness beyond summer.
Best For: Large living rooms, apartments, and open spaces up to 1,000 square feet.
Pros:
- High cooling capacity for medium and large rooms.
- LG ThinQ, Alexa, Hey Google, remote, and electronic-control options.
- Auto restart resumes operation after a power failure.
- Includes a 24-hour timer, energy-saver mode, and washable filter.
Cons:
- Requires a 230V connection rather than a standard 115V outlet.
- Large and heavy at 132 pounds, with a 25.5-inch width and 30.5-inch depth.
- Its listed 61 dB noise level is higher than the 45 dBA Midea units.
This LG is the capacity-focused option for shoppers who need to cool a large area and want smart controls. Confirm the dedicated electrical setup, window dimensions, and installation support before purchasing this heavy unit.
Efficient Mid-Size Choice – Midea 12,000 BTU Window AC with Heat
This 12,000-BTU Midea window air conditioner with heat is sized for rooms up to 550 square feet and adds dehumidification, smart controls, and inverter efficiency. It operates on 115V power and is rated at 45 dBA, making it a compelling middle ground for bedrooms and living rooms that need more capacity than an 8,000-BTU unit.
Best For: Efficient cooling and supplemental heat in rooms up to 550 square feet.
Pros:
- 12,000 BTUs of cooling for larger bedrooms and living spaces.
- Inverter technology, Energy Star certification, and a listed CEER of 13.3.
- SmartHome app, smartwatch, Alexa, Google Assistant, remote, and panel controls.
- Quiet 45 dBA operation with five modes and a washable front filter.
Cons:
- Heat-pump operation does not work when the outdoor temperature is below 41°F.
- Installation is limited to compatible double-hung windows with the specified clearances.
The 12,000-BTU Midea offers a useful balance of coverage, efficiency, low noise, and connected features. It is a strong fit for moderate-size rooms, but buyers should treat its heat function as supplemental and confirm the window measurements first.
Best Compact-Room Value – ROVSUN 8,000 BTU Window AC with Heat
If you need a window air conditioner with heat for a bedroom, office, or apartment up to 350 square feet, this ROVSUN unit combines cooling, heating, dehumidifying, and fan modes in one compact appliance. Its remote, timer, ECO mode, and included installation hardware make it practical for everyday use.
Best For: Compact rooms where year-round temperature control and straightforward operation matter.
Pros:
- 8,000 BTU cooling and 4,000 BTU heating for spaces up to 350 square feet
- Four functions: cooling, heating, dehumidifying, and fan operation
- Remote control, 24-hour timer, ECO mode, and LED display
- Washable filter and included mounting components
Cons:
- Requires a 115V outlet and a compatible window opening
- At 80.2 pounds, installation may be easier with two people
- Heating capacity is more limited than the cooling capacity
With its compact-room rating and broad set of controls, this model is a sensible choice for buyers prioritizing versatility. Confirm the window dimensions before purchase, especially the 26- to 36-inch width requirement and 16-inch height.
Best for Medium Rooms – LG 12,200 BTU Window AC with Supplemental Heat
This LG window air conditioner with heat is designed for medium rooms up to 570 square feet. It offers supplemental heat for cooler days, two cooling, heating, and fan speeds, plus electronic controls and a remote for convenient adjustment.
Best For: Medium-size rooms needing higher cooling capacity and supplemental heat from a 230/208V window unit.
Pros:
- 12,200 BTU cooling capacity for rooms up to 570 square feet
- Supplemental heat with two heating speeds
- Low-mode sound level listed as low as 50 dB
- Auto restart restores operation after a power failure
Cons:
- Requires a 230/208V electrical supply
- At 93 pounds, installation is relatively demanding
- Heat is described as supplemental rather than a primary heating system
The LG stands out for medium-room coverage and useful convenience features such as auto restart and a filter reminder. Its higher-voltage requirement is the key compatibility check, so verify the electrical setup before ordering.
Best High-Capacity 4-in-1 – ROVSUN 12,000 BTU Window AC with Heat
For larger spaces up to 550 square feet, this ROVSUN window air conditioner with heat delivers 12,000 BTU cooling and combines cooling, heating, dehumidifying, and fan functions. The remote, timer, ECO mode, and included installation kit add flexibility for home, office, or multipurpose rooms.
Best For: Larger rooms that need strong cooling and multiple operating modes from a 208/230V unit.
Pros:
- 12,000 BTU cooling capacity for spaces up to 550 square feet
- Four-in-one operation includes cooling, heating, dehumidifying, and fan modes
- Remote control, 24-hour timer, ECO mode, and automatic mode
- Slide-out filter and included installation components
Cons:
- Requires a 208/230V supply
- Listed noise levels reach 63 dB
- Its 82.6-pound weight can make window installation challenging
This model offers a useful balance of capacity and versatility for larger rooms, while its 11,000/9,000 BTU heating figures provide additional flexibility in cooler weather. Check both voltage and window dimensions before purchase.
Quiet Small-Room Comfort – Frigidaire 8,000 BTU Window AC with Heat
If you need a window air conditioner with heat for a bedroom or small living room, this Frigidaire model covers up to 350 square feet. It combines 8,000 BTU cooling with supplemental heat, remote control, Eco, Sleep, and Dry modes, plus operation rated at 53 dBA.
Best For: Bedrooms and small living rooms needing quiet, seasonal cooling and supplemental heat.
Pros:
- Supports cooling, supplemental heating, dehumidifying, and fan-speed adjustments.
- Remote control, 24-hour timer, Auto Restart, and Clean Filter alerts add convenience.
- Eco and Sleep modes help reduce energy use and operating noise.
- Six-way airflow and three fan speeds make comfort easier to fine-tune.
Cons:
- The heat function is supplemental rather than a replacement for a primary heating system.
- Its stated coverage is limited to rooms up to 350 square feet.
- It is not an inverter model.
With its washable filter, quiet 53 dBA operation, and practical scheduling features, this is a straightforward choice for smaller spaces. Check the stated window dimensions and available 115-volt power before purchase.
Smart All-Season Flexibility – Garvee 8,000 BTU Window AC with Heat
This Garvee window air conditioner with heat is a versatile 4-in-1 unit for rooms up to 350 square feet. It provides cooling, supplemental heating, dehumidification, and fan circulation, with app, remote, and Alexa-compatible voice controls for convenient operation.
Best For: Apartment bedrooms or living spaces where app and voice control are useful.
Pros:
- Offers cool, heat, dehumidify, fan, and auto modes in one unit.
- App, remote, touch, and Alexa-compatible voice controls provide flexible access.
- Includes Eco and Sleep modes, a 24-hour timer, and three fan speeds.
- Stated noise level is as low as 52 dB, with four-way swing airflow adjustment.
Cons:
- The supplemental heater is designed for spaces up to 350 square feet.
- Installation requires windows 16 inches tall and 26 to 36 inches wide.
- The unit weighs 81.4 pounds, which may make installation more demanding.
The Garvee stands out for connected controls and broad operating modes rather than simple cooling alone. Confirm the window measurements and 115-volt electrical supply before ordering, and plan for a two-person installation if needed.
Large-Space Power – Keystone 23,200 BTU Window AC with Heat
For a large room, this Keystone window air conditioner with heat delivers 23,200 BTU cooling and 16,000 BTU supplemental heating for spaces up to 1,500 square feet. It also provides dehumidification, fan circulation, four-way swing airflow, and a smart remote that measures the temperature where you are.
Best For: Large rooms requiring high-capacity cooling with supplemental heat.
Pros:
- Designed to cool spaces up to 1,500 square feet with 23,200 BTU capacity.
- Provides 16,000 BTU supplemental heat plus cooling, dehumidifying, and fan modes.
- Smart remote displays room temperature and sends readings to the unit every three minutes.
- Energy Saver and Sleep modes can help reduce unnecessary operation.
Cons:
- Requires a 230-volt connection and weighs 121 pounds.
- Its large installation footprint requires windows at least 19.5 inches high and 31 inches wide.
- Supplemental heating is intended for outdoor temperatures between 23 and 76 degrees and is not a primary heat source.
This Keystone is the capacity-focused option for substantially larger spaces, but its electrical and installation requirements are significant. Verify window dimensions, structural support, and 230-volt compatibility before choosing it.
How We Picked the Best Window Air Conditioner with Heat
We compared these models by cooling capacity, supplemental heat output, stated room coverage, operating modes, controls, noise-related features, energy efficiency, and installation requirements. We also considered practical extras such as remote controls, timers, Wi-Fi connectivity, dehumidification, and fan-only operation.
BTU ratings are useful starting points, but actual performance depends on ceiling height, sunlight, insulation, occupancy, and local climate. Heating performance is generally supplemental rather than a replacement for a whole-home furnace or heat pump.
Quick Comparison
| Best For | Typical Capacity | Features to Look For |
|---|---|---|
| Bedrooms and small apartments | 8,000 BTU | Quiet operation, dehumidifier, timer |
| Medium living rooms | 12,000–12,200 BTU | Remote control, multiple modes, efficient operation |
| Large open rooms | 18,000–23,200 BTU | High-capacity cooling, supplemental heat, 230V power |
| Smart-home users | Varies | Wi-Fi, app control, voice compatibility |
Key Buying Factors for a Window Air Conditioner with Heat
Match BTUs to the Room
An 8,000 BTU unit is commonly suited to smaller rooms, while 12,000 BTUs can cover a larger bedroom, living room, or apartment area. Large-capacity models may serve open spaces up to roughly 1,500 square feet, but verify the manufacturer’s coverage guidance and account for direct sun or poor insulation.
Check Voltage and Installation
Many compact units use standard 115V outlets. Larger models often require 230V or 230/208V service and may need a dedicated circuit. Confirm the outlet, breaker, window dimensions, mounting hardware, and unit weight before purchasing. A qualified electrician should handle any required electrical changes.
Understand the Heat Function
“Supplemental heat” usually means the unit can warm a room during mild or transitional weather. Check the listed heat output, recommended temperature range, and whether the model uses electric resistance heat. Do not assume every unit is designed for severe winter conditions.
Prioritize Comfort and Efficiency
Inverter compressors can adjust output more smoothly, potentially reducing temperature swings and energy use. Energy Star certification, sleep modes, timers, eco settings, and dehumidification can further improve comfort. Noise ratings and user reviews are especially important for bedrooms, offices, and light sleepers.
Who Should Buy Which Window Air Conditioner with Heat?
Choose an 8,000 BTU model for a compact bedroom, studio, or apartment where standard voltage and a smaller footprint matter most. Step up to 12,000 BTUs for medium rooms or open living areas. Select an 18,000 BTU or larger model for broad spaces, but verify electrical compatibility and window support first.
Smart models are a strong fit for buyers who want app scheduling or voice control. If quiet operation is the priority, focus on inverter technology, sleep settings, and published noise information. For occasional off-season warmth, a model with supplemental heat can reduce the need for a separate space heater; for primary winter heating, compare it with a dedicated heat pump or furnace.