10 Best Window Air Conditioners With Heat for 2026: Quiet, Smart, and Room-Sized Picks

If you want year-round comfort without installing separate units, a window air conditioner with heat can be a practical all-in-one solution. These models cool in summer and add supplemental warmth when the temperature drops.

Below, we’ve narrowed the field to 10 standout picks based on size, efficiency, controls, noise, and room coverage so you can find the right fit faster.

Best 10 Window Air Conditioner with Heat Picks for 2026

All-Season Pick – Midea 12,000 BTU Window AC with Heat

If you want a window air conditioner with heat for a larger room, this Midea unit is built to handle both summer cooling and fall warmth in one package. It’s sized for spaces up to 550 square feet and adds dehumidification, smart controls, and a quiet operating profile that makes it easier to use every day.

Best For: Large bedrooms, living rooms, or apartments that need efficient cooling plus supplemental heat.

Pros:

• 12,000 BTU cooling capacity covers rooms up to 550 sq. ft.
• Heat pump function adds supplemental warmth when outdoor temperatures stay above 41°F.
• Energy Star certified inverter design is rated for up to 35% energy savings.
• SmartHome app, Alexa, and Google Assistant support add flexible control options.

Cons:

• Heat pump will not operate below 41°F outside temperature.
• Requires a compatible double-hung window setup with a specific opening range.

This is the most balanced pick if you want strong cooling, useful supplemental heat, and modern controls in a single window unit. Its quiet 45 dBA operation and energy-focused design make it a practical fit for everyday comfort.

Large Room Smart Pick – LG 18,000 BTU Window AC with Heat

This window air conditioner with heat is aimed at bigger spaces that need serious cooling power and convenient remote control. With 18,000 BTUs, Wi-Fi-enabled ThinQ support, and voice control compatibility, it’s designed for living rooms and apartments where easy day-to-day management matters.

Best For: Large living rooms or apartments that need high-capacity cooling and supplemental heat.

Pros:

• 18,000 BTU capacity is rated for rooms up to 1,000 square feet.
• LG ThinQ app support works with Alexa and Hey Google for remote control.
• Includes 2 cooling, heating, and fan speeds plus a 24-hour programmable timer.
• Auto Restart brings the unit back after a power failure.

Cons:

• Runs on 230V, so it won’t suit every household setup.
• At 61 dB, it is louder than some smaller units.

For buyers prioritizing capacity and connected features, this LG unit stands out as a strong large-room solution. It’s less about compact convenience and more about delivering dependable whole-room comfort with heat.

Mid-Size Comfort Pick – LG 12,200 BTU Window AC with Supplemental Heat

If you’re shopping for a window air conditioner with heat for a medium-sized room, this LG model delivers a straightforward mix of cooling and supplemental warmth. It’s built for spaces up to 570 square feet and keeps the focus on low-noise operation, simple controls, and reliable everyday performance.

Best For: Bedrooms and medium rooms that need quiet supplemental heat and solid cooling.

Pros:

• 12,200 BTU cooling capacity covers up to 570 square feet.
• Low-noise performance is rated as low as 50 dB in low mode.
• Supplemental heat mode adds warmth on cooler days.
• Auto Restart and remote control make it easy to manage.

Cons:

• Requires 230/208V power.
• No inverter design, so it lacks the efficiency features of some premium units.

This is a practical choice if you want a larger-capacity window unit without extra complexity. Its low-noise profile and supplemental heat function make it especially appealing for bedrooms or shared spaces.

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

This window air conditioner with heat is a compact all-in-one option for smaller rooms that still need year-round comfort. It combines cooling, dehumidifying, fan modes, and 4,000 BTU heating support, while adding app and voice control for more flexible daily use.

Best For: Small rooms, home offices, or apartments that need affordable cooling plus supplemental heat.

Pros:

• 8,000 BTU cooling capacity is sized for rooms up to 350 square feet.
• Includes 4,000 BTU heating, plus dehumidifier and fan functions.
• Works with an app, Alexa, and Google Assistant for voice control.
• Easy installation kit and front-access washable filter add convenience.

Cons:

• Higher noise level at 57 dB.
• Less powerful than larger window units for bigger rooms.

For smaller spaces, this ROVSUN unit offers a useful mix of features without pushing into large-unit pricing or complexity. It’s best viewed as a practical comfort solution rather than a heavy-duty room cooler.

Compact Supplemental Heat for Bedrooms – Frigidaire 8,000 BTU Window AC

If you want a window air conditioner with heat for a small room, this Frigidaire model is built for practical everyday use. It cools spaces up to 350 sq. ft. and adds supplemental heat for cooler months, while Eco, Sleep, and Dry modes help you fine-tune comfort without a lot of fuss.

Best For: Bedrooms and small living rooms that need quiet cooling with occasional supplemental heat.

Pros:

• 8000 BTU cooling covers rooms up to 350 sq. ft.
• Supplemental heat adds warmth when your main system falls short.
• Quiet 53 dBA operation suits bedrooms.
• Remote control, 24-hour timer, and Auto Restart add convenience.

Cons:

• Heat is supplemental, not a primary heating solution.
• No inverter technology for extra efficiency.
• Best suited to smaller spaces rather than large rooms.

This is a straightforward pick if you want reliable seasonal comfort in a compact footprint. It is especially appealing for users who value quiet performance, washable-filter maintenance, and simple remote-driven controls.

Quiet Smart Inverter Pick – ROVSUN 8,000 BTU Heat Pump

This window air conditioner with heat is a strong fit if you want smart controls and lower operating noise. The ROVSUN unit cools or warms rooms up to 350 sq. ft., adds WiFi and voice control, and uses inverter technology to help cut energy use compared with traditional units.

Best For: People who want app, remote, and voice control in a quiet window AC with heating.

Pros:

• 8000 BTU cooling and 8400 BTU heating for year-round use.
• WiFi, app, remote, and voice control with Alexa/Google Assistant support.
• Inverter technology and 13.2 CEER rating aim to improve efficiency.
• Very quiet at 40 dB in sleep mode.

Cons:

• Heat mode should not be used below 5°F.
• Cool/ECO mode should not be used below 32°F.
• Best for medium-small spaces rather than larger rooms.

For buyers who prioritize convenience, this model stands out with connected controls and low-noise operation. It makes the most sense in bedrooms, apartments, or offices where easy scheduling and efficient performance matter.

High-Capacity Large Room Option – Keystone 23,200 BTU Heat AC

If you need a window air conditioner with heat for a much larger space, this Keystone model is designed to handle it. It delivers strong cooling for up to 1,500 sq. ft. and includes supplemental heat, dehumidification, and fan circulation for broader year-round comfort.

Best For: Large rooms that need powerful cooling plus supplemental heating support.

Pros:

• 23,200 BTU cooling supports spaces up to 1,500 sq. ft.
• 16,000 BTU supplemental heat adds off-season flexibility.
• Includes dehumidifier and fan circulation modes.
• Smart remote reads room temperature for more accurate control.

Cons:

• Supplemental heat is not meant to be the primary heat source.
• Requires 230V power, which limits compatibility.
• Large, heavy unit takes more effort to install.

This is the strongest choice in the group if coverage area is your top concern. It is built for big rooms and offers useful extras like Energy Saver and Sleep modes, but it is less convenient than smaller 115V models.

Editor’s Pick – 8,000 BTU Smart Inverter Window AC with Heat

If you want a window air conditioner with heat that can handle more than one season, this 8,000 BTU model offers cooling, heating, dehumidifying, and fan modes in a compact window-mounted design. It’s sized for rooms up to 350 sq. ft., and the inverter technology plus quiet operation make it a strong fit for everyday use in bedrooms, apartments, and home offices.

Best For: Shoppers who want smart control, quiet performance, and year-round comfort in a single window unit.

Pros:

• 4-in-1 design covers cool, heat, dehumidify, and fan functions.
• Built-in WiFi works with app control, Alexa, and Google Assistant.
• Inverter technology helps maintain comfort efficiently and runs as low as 52 dB.
• Sleep mode, ECO mode, and a 24-hour timer add convenient control.

Cons:

• Requires a compatible window size, so measuring first is important.
• At 81.4 pounds, installation may be more demanding than lighter units.
• Heating is best suited to supplemental comfort rather than whole-home use.

This is a well-rounded option if you want a window air conditioner with heat that emphasizes convenience and efficiency. The smart features and inverter technology make it especially practical for people who like to fine-tune comfort from across the room or from their phone.

Budget-Friendly Choice – 8,000 BTU Window AC/Heater Combo

This window air conditioner with heat is designed for compact spaces up to 350 sq. ft., combining 8,000 BTU cooling with a 4,000 BTU heater. It adds dehumidifier and fan modes too, giving you a straightforward all-season setup for a home office, apartment, or bedroom.

Best For: Buyers who want a simple, feature-packed window unit with heat and easy manual or remote operation.

Pros:

• 4-in-1 functionality includes cooling, heating, dehumidifying, and fan modes.
• LED display, remote control, and timer make daily operation easy.
• Runs as low as 52 dB for quieter everyday use.
• Included side panels and installation parts help simplify setup.

Cons:

• No inverter technology, so it lacks variable-speed efficiency features.
• One-year warranty is shorter than some competing options.
• Heating output is listed separately as 4,000 BTU, so it’s best viewed as supplemental heat.

If you want a practical window air conditioner with heat and don’t need advanced smart-home features, this model keeps things simple. The combination of easy controls, quiet operation, and included installation hardware makes it a solid everyday choice.

Smart Control Pick – 8,000 BTU App-Controlled AC with Heat

For shoppers comparing a window air conditioner with heat that also offers modern controls, this Garvee unit covers the basics well. It delivers 8,000 BTU cooling for rooms up to 350 sq. ft. and adds heat, dehumidify, fan, and auto modes, making it a versatile fit for bedrooms, apartments, and living rooms.

Best For: People who want app, voice, and remote control in a compact window AC with heat.

Pros:

• 4-in-1 design supports cooling, heating, dehumidifying, and fan use.
• App, remote, touch, and voice control provide flexible operation.
• 5 modes, 3 fan speeds, ECO mode, sleep mode, and 24-hour timer add versatility.
• Runs at a low 52 dB and includes a washable filter with clean-filter alert.

Cons:

• No inverter technology, so it doesn’t offer variable-speed efficiency.
• Voice support is listed for Alexa, so ecosystem compatibility is narrower than some rivals.
• Fits standard window dimensions only, so measuring before purchase is necessary.

This is a good pick if you want a window-mounted heater and AC combo with modern convenience features. Its smart controls and broad mode selection make it especially useful for people who like to adjust comfort from anywhere.

How We Picked the Best Window Air Conditioner with Heat

We focused on the factors that matter most in a Window Air Conditioner with Heat: BTU capacity, room size match, heating type, control convenience, and overall feature set. We also considered whether the unit is better suited to apartments, medium bedrooms, or larger living spaces.

Because these are combo units, we gave extra weight to practical details like supplemental heat output, voltage requirements, installation fit, and whether smart features actually add value for everyday use.

Quick Comparison

Smaller 8,000 BTU models are typically the best fit for bedrooms, home offices, and studios. Midrange units around 12,000 BTU are a better match for living rooms or larger open spaces. High-capacity options are aimed at larger rooms, but they often require 230V power and more careful installation planning.

Smart controls, inverter technology, and quieter operation can be worth paying for if the unit will run often. If you only need occasional heating support, a simpler model may be the better value.

Key Buying Factors for a Window Air Conditioner with Heat

Cooling and Heating Capacity

Look at both cooling BTU and supplemental heat output. Cooling capacity should match your room size, while the heat function should be seen as support for shoulder seasons or mild winter use rather than a full central-heating replacement.

Voltage and Installation

Some higher-BTU models need 230V or 208V outlets. Before buying, confirm your electrical setup, window dimensions, and available support. A powerful unit is only useful if it can be installed safely and correctly.

Noise, Controls, and Convenience

If the unit will run in a bedroom, prioritize quieter operation and remote or app control. Features like timers, fan modes, and dehumidification can improve comfort and help the unit adapt to changing weather.

Efficiency and Smart Features

Inverter models can offer smoother operation and better efficiency over time. WiFi and voice control are convenient, but they matter most if you expect to adjust settings often or want climate control from across the house.

Who Should Buy Which Window Air Conditioner with Heat?

If you need an affordable all-in-one for a small room, choose an 8,000 BTU model. For a medium bedroom or living room, a 12,000 BTU Window Air Conditioner with Heat usually offers the best balance of performance and flexibility. If you’re cooling a larger space, a high-capacity 230V unit is the safer choice.

Shoppers who value convenience should look at smart-enabled units with app control, while buyers who care most about steady performance may prefer an inverter model. The best option is the one that matches your room size, power setup, and how often you plan to use the heat function.