10 Best Window Air Conditioners With Heat for 2026: Smart, Quiet, and Efficient Picks

A window air conditioner with heat is a practical way to handle hot summers and chilly shoulder seasons without installing separate systems. The best models cool efficiently, add supplemental heat, and fit a range of room sizes.

In this roundup, we focused on performance, noise, controls, energy use, and overall value so you can choose a unit that makes sense for your space and budget.

Best 10 Window Air Conditioner with Heat Picks for 2026

Smart Quiet Inverter – Midea 8,000 BTU Smart Inverter with Heat

If you want a window air conditioner with heat for a medium bedroom or apartment, this Midea 8,000 BTU unit offers a practical multi-season setup. It cools, dehumidifies, and adds supplemental heat, with smart controls that make it easy to manage day to day.

Best For: Bedrooms and apartments up to 350 sq. ft. where quiet operation and app-based control matter.

Pros:

• Cooling, dehumidifying, and supplemental heat in one window unit
• Very quiet operation, listed as low as 45 dBA
• SmartHome app, Alexa, and Google Assistant compatibility
• Energy Star rated with inverter technology for better efficiency

Cons:

• Heat pump function only works when outside temperature is above 41°F
• Best suited to rooms up to 350 sq. ft., so it may be too small for larger spaces

This is a strong choice if you want a flexible window AC for shoulder seasons as well as summer cooling. The combination of quiet performance, efficient operation, and remote control options makes it easy to live with.

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

This LG window air conditioner with heat is built for bigger spaces that need more cooling power. With WiFi, voice control, and supplemental heating, it works well when you want a single unit for a living room or large apartment.

Best For: Large rooms and apartments up to 1,000 sq. ft. that need high-capacity cooling plus heat.

Pros:

• High 18,000 BTU capacity for rooms up to 1,000 square feet
• WiFi control through LG ThinQ plus Alexa and Hey Google support
• Supplemental heating with 2 fan speeds and 24-hour timer
• Auto restart after power failure

Cons:

• Requires 230V power, which limits where it can be installed
• Louder than smaller units at 61 dB
• Not an inverter model

If your priority is coverage rather than compact size, this LG is an easy fit. It brings the control features many buyers want, but its real strength is handling larger rooms without feeling undersized.

Efficient Mid-Size Comfort – Midea 12,000 BTU Window AC with Heat

For shoppers comparing a window air conditioner with heat for a larger bedroom or apartment, this Midea 12,000 BTU model focuses on efficient multi-season comfort. It offers cooling, dehumidification, and supplemental heat while keeping noise and energy use in check.

Best For: Larger rooms up to 550 sq. ft. where quiet operation and energy efficiency are priorities.

Pros:

• 12,000 BTU capacity for spaces up to 550 square feet
• Energy Star certified with inverter technology and up to 35% energy savings
• Quiet operation listed as low as 45 dBA
• SmartHome app, Alexa, and Google Assistant compatibility

Cons:

• Heat pump function will not operate below 41°F outside temperature
• Best fit for larger rooms, so it may be more than needed for small spaces

This model stands out if you want a balanced mix of capacity, efficiency, and convenience. It is a good all-around pick for buyers who want a reliable heat-and-cool window unit without giving up quiet performance.

All-in-One Budget Pick – 8000 BTU 4-in-1 Window AC with Heater

If you want a window air conditioner with heat that covers the basics in one unit, this 4-in-1 model is designed for year-round use. It combines cooling, heating, dehumidifying, and fan modes, with WiFi and remote control for easy daily adjustments.

Best For: Bedrooms, living rooms, or apartments up to 350 sq. ft. that need simple all-season comfort.

Pros:

• 4-in-1 design with cooling, heating, dehumidifier, and fan modes
• WiFi app control plus remote and 24-hour timer
• Included installation kit for standard double-hung windows
• R32 refrigerant and quiet operation for everyday use

Cons:

• Not an inverter model
• Noise level is listed at 52 dB, which is louder than the quietest models here
• Best suited to smaller rooms up to 350 sq. ft.

This is a straightforward option for buyers who want one unit to handle multiple seasons without extra complexity. It is less premium than the Midea models, but it covers the essentials well and includes the convenience features many shoppers want.

Budget-Friendly All-in-One – Keystone 8,000 BTU Window AC with Supplemental Heat

If you want a window air conditioner with heat that can handle more than just summer cooling, this Keystone unit is a practical option for small to medium rooms up to 350 sq. ft. It pairs 8,000 BTU cooling with 3,500 BTU supplemental heating, plus dehumidifying and fan modes, so it can help with comfort across changing seasons.

Best For: Bedrooms and living rooms where you want budget-minded cooling with light supplemental heat.

Pros:

• 8,000 BTU cooling and 3,500 BTU supplemental heat for year-round use
• Includes dehumidification, fan circulation, and a 4-way swing
• Smart remote reads room temperature and sends updates every 3 minutes
• Energy Saver and Sleep modes help reduce running costs

Cons:

• Supplemental heat is not meant to replace a primary heating system
• Noise level is listed at 55 dB
• No inverter technology is included

This Keystone model is a solid pick if you mainly need dependable cooling but want an extra heat option for cool days. The included installation kit and space-saving window design make it straightforward for typical residential setups.

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

This window air conditioner with heat is built for users who want app control and flexible comfort in a single unit. With 8,000 BTU cooling, heating, dehumidifying, and fan modes, it covers rooms up to 350 sq. ft. while adding WiFi connectivity and voice assistant compatibility for easier day-to-day control.

Best For: People who want a smarter, quieter window AC with heat and app-based control.

Pros:

• 4-in-1 operation: cool, heat, dehumidify, and fan
• Built-in WiFi works with an app, plus Alexa and Google Assistant compatibility
• Inverter technology and a 52 dB noise rating support quieter operation
• ECO mode, Sleep mode, and a 24-hour timer add energy-saving convenience

Cons:

• It is a heavier unit at 81.4 pounds
• Fit is limited to single- and double-hung windows within the stated size range
• Detailed heating type appears aimed at room comfort, not whole-home use

For shoppers prioritizing controls and efficiency features, this model stands out. It combines modern smart-home convenience with low-noise operation and the seasonal flexibility many buyers want from a window AC with heat.

Quiet Comfort Choice – 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 is designed for straightforward comfort. It delivers 8,000 BTU cooling, supplemental heat, and multiple fan speeds, while keeping operation quiet enough for everyday use in rooms up to 350 sq. ft.

Best For: Bedrooms and small living spaces where quiet operation matters.

Pros:

• 8,000 BTU cooling with supplemental heat for cooler months
• Quiet operation at 53 dBA
• Eco Mode, Sleep Mode, and Dry Mode help manage comfort and moisture
• Remote control, 24-hour timer, and Auto Restart add convenience

Cons:

• Supplemental heat is intended to support existing heat, not replace it
• No inverter technology is listed
• Window fit requirements are specific, so measuring first is important

Overall, this Frigidaire unit is a balanced choice if you want dependable seasonal cooling with an added heat function and simple controls. Its low noise level and practical features make it especially appealing for room-by-room use.

Smart All-Season Pick – ROVSUN 8000 BTU Window AC With Heat

If you want a window air conditioner with heat for a small room, this ROVSUN combo is built for year-round use. It combines 8,000 BTU cooling with 4,000 BTU heating, plus dehumidifier and fan modes, making it a practical fit for spaces up to 350 square feet.

Best For: Bedrooms, home offices, or apartments that need both cooling and supplemental heat in one window unit.

Pros:

• 4-in-1 design with cool, heat, dry, and fan modes
• Wi-Fi app control plus Alexa and Google Assistant compatibility
• 24-hour timer, ECO mode, and washable front-access filter
• Installation kit included for simpler setup

Cons:

• Best suited for rooms up to 350 square feet
• Uses a standard 115V setup, so it is not for higher-voltage installations

This model stands out if smart control matters as much as seasonal comfort. It is a straightforward choice for buyers who want app access, voice control, and a compact all-in-one window solution.

Quiet Smart Choice – Garvee 8000 BTU Window AC With Heat

This window air conditioner with heat is a solid fit if you want flexible control and lower noise in a medium-small room. The Garvee unit offers 8,000 BTU cooling, supplemental heating, dehumidifying, and fan functions for spaces up to 350 square feet.

Best For: Buyers who want app control, voice support, and quieter operation for a bedroom or living room.

Pros:

• 4-in-1 operation with cool, heat, dehumidify, and fan modes
• Quiet operation rated as low as 52 decibels
• App, remote, panel, and Alexa voice control
• Sleep mode, ECO mode, and 24-hour timer included

Cons:

• Installation is limited to windows that fit the included mounting kit dimensions
• Heating is described as supplemental, not whole-home heat

Its biggest advantage is the balance of convenience and low-noise operation. If you value easy scheduling, voice control, and a quieter room experience, this is an appealing option.

Practical Budget-Friendly Pick – ROVSUN 8000 BTU Window AC With Heat

If you need a window air conditioner with heat for a compact room, this ROVSUN unit keeps the formula simple and functional. It delivers 8,000 BTU cooling, 4,000 BTU heating, dehumidifying, and fan modes for rooms up to 350 square feet.

Best For: Shoppers who want a straightforward window AC and heater combo with remote control and easy setup.

Pros:

• 4-in-1 design with cooling, heating, dehumidifier, and fan functions
• Remote control plus LED digital display for easy operation
• Includes side panels and mounting parts to speed installation
• Low-noise operation listed as low as 52 dB

Cons:

• Designed for spaces up to 350 square feet
• No Wi-Fi or voice control listed in the supplied notes

This is a practical pick if you want the core features without extra smart-home complexity. It focuses on easy operation, quiet performance, and basic all-season comfort.

How We Picked the Best Window Air Conditioner with Heat

We prioritized models that balance cooling capacity, heating support, ease of use, and real-world versatility. Since these units often serve bedrooms, apartments, offices, and small living rooms, we gave extra weight to room coverage, noise level, energy efficiency, and smart features like app control, remote access, and timers.

We also looked at practical installation details such as voltage requirements, fit for standard windows, and whether the heat function is supplemental or intended for more substantial seasonal use.

Quick Comparison

Smaller 8,000 BTU models are usually best for rooms up to about 350 square feet, while 12,000 BTU and 18,000 BTU options are better suited to larger spaces. Smart inverter units tend to run quieter and more efficiently, while supplemental-heat models are often ideal for taking the edge off cool weather rather than replacing a full heating system.

Key Buying Factors for a Window Air Conditioner with Heat

Room Size and BTU Rating

Match the BTU output to the room size first. Undersized units struggle to cool or heat effectively, while oversized models may cycle too often and waste energy. Check whether the manufacturer’s coverage estimate reflects bedrooms, living rooms, or larger open areas.

Heating Type

Many window ACs with heat provide supplemental heating, which is helpful for mild to moderate cold but not always enough as a primary winter heater. If you need year-round comfort in a colder climate, look for stronger heat output and verify voltage and electrical compatibility before buying.

Noise and Efficiency

For bedrooms and home offices, quieter operation matters as much as raw power. Inverter technology, Energy Star ratings, and eco modes can help reduce energy use and keep temperature swings more stable.

Controls and Convenience

Remote controls, Wi-Fi apps, voice control, and programmable timers make a Window Air Conditioner with Heat easier to live with day to day. These features are especially useful if you want to adjust the unit before arriving home or during sleep hours.

Who Should Buy Which Window Air Conditioner with Heat?

Choose a compact 8,000 BTU model if you want a versatile option for a bedroom, studio, or small apartment. Step up to a 12,000 BTU unit if you need better coverage for a larger room or open-plan space. Consider the 18,000 BTU class if you need more serious cooling power and can support the higher-voltage installation.

If convenience matters most, a smart-connected model with app control and voice support is a strong choice. If efficiency and quiet operation are priorities, look for inverter and Energy Star features. For the best all-around value, focus on the combination of room size, heating support, and operating noise rather than choosing by BTU alone.