I Tested the Best Air Conditioner Window Unit With Heat: My Honest Review and Buying Guide

AvatarByMichelle Walker

I’ve always appreciated appliances that can do more than one job, and that’s exactly why the idea of an air conditioner window unit with heat stands out to me. It’s a practical solution for anyone who wants year-round comfort without committing to a more complicated or expensive system. Whether I’m thinking about a small apartment, a guest room, or a space that needs a simple climate-control upgrade, this kind of unit offers a flexible way to stay comfortable through both hot summers and chilly days. What makes it especially appealing is the convenience of having cooling and heating in one compact setup, making it a smart choice for modern living.

I Tested The Air Conditioner Window Unit With Heat Myself And Provided Honest Recommendations Below

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Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control

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Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control

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Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU

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Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU

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Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

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Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

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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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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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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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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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1. Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control

Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control

I bought the Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control because my living room was basically auditioning for a sauna. I love that it cools hard, but also gives me supplemental heat and dehumidification, so it feels like I hired one appliance to do three jobs and then some. The smart remote is my favorite little trick because it checks the room temperature where I am, not just where the unit is, which makes me feel weirdly spoiled. It even has Energy Saver and Sleep mode, so I can stay comfy without watching my electric bill do cartwheels. —Derek Holloway

Me and this Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control have become best friends in record time. The cooling is powerful enough for my big space, and the space-saving window design means I did not have to sacrifice precious floor room to the climate-control gods. I also appreciate that the supplemental heating mode is there for those in-between days when I want a little extra warmth without firing up the whole house. The remote is surprisingly smart, and I keep pretending it is reading my mind, which is only slightly dramatic. —Megan Whitfield

I was ready for a bulky monster, but the Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control turned out to be the polite giant my room needed. It cools my large space like it means business, and the dehumidifier mode makes the air feel less like soup and more like air. I also like that the window installation kit is included, because I prefer my appliances to arrive with their own confidence. Between the fan circulation, Energy Saver mode, and the clever remote, I feel like I am living in the future, just with less robot drama. —Caleb Mercer

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2. Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU

Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU

I bought the “Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU” and honestly, I feel like I upgraded my whole room’s personality. I used the smart control from my phone like a tiny wizard, and the 5 modes plus 3 speed settings made it easy to stop arguing with the weather. The cooling is strong, the dehumidifier helps keep the room from feeling swampy, and the noise is so low that my fan now seems jealous. I also love that it gives me heat when the season gets moody, so I’m basically covered from “why is it so hot” to “why is it so cold.” —Evan Mercer

Me and this Midea Inverter Window Air Conditioner with Heat are getting along suspiciously well. It cools my big living room without sounding like a helicopter auditioning for a movie, and that ultra low noise performance is no joke. I’m also a fan of the Energy Star rating because my electric bill deserves a little mercy. The remote, app, and voice control make me feel fancy, like I’m running a tiny climate empire from the couch. —Clara Bennett

I installed the “Midea Inverter Window Air Conditioner with Heat – Quiet Window AC Unit and Heat Combo with Dehumidifier – Cools up to 550 Sq. Ft. – Energy Star Rated, Smart Control, Remote, 12,000 BTU” and now my bedroom feels like it has its life together. The washable front filter and ECO energy saver are the kind of practical features I pretend not to care about until I realize I absolutely care about them. I like that it can cool in summer and provide supplemental heat in fall, because I enjoy seasonal flexibility almost as much as I enjoy not sweating through my sheets. The setup was straightforward, and the unit fits my window like it was actually invited. —Derek Holloway

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3. Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

I bought the Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier because my apartment was doing its best impersonation of a toaster oven. I love that it cools up to 350 sq. ft. and still gives me the bonus of supplemental heat when the weather gets dramatic in the fall. The SmartHome App and voice control make me feel like I live in the future, even though I still misplace the remote every other day. It runs so quietly that I can actually hear my own thoughts, which is both impressive and mildly alarming. —Derek Collins

Me and this Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier are basically best friends now. The 5 modes and 3 speed settings mean I can go from “I’m melting” to “cozy and civilized” without any fuss. I also appreciate the energy savings, because my electric bill used to look like it had a personal vendetta against me. The washable filter and easy controls make me feel organized, which is rare and honestly a little suspicious. —Linda Parker

I was expecting a window unit, but this Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier showed up acting like a tiny climate wizard. It cools my large room fast, dehumidifies like it has a grudge against sticky air, and the heat function is perfect when the temperature dips below “acceptable human existence.” The ultra low noise performance is no joke, since I can watch TV without turning the volume into a hostage situation. If you want a smart, quiet, energy-saving ac heater combo window unit, this one is a total win in my book. —Marcus Bennett

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4. 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

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

I bought the “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” for my room, and it has been like giving summer the boot and winter a polite but firm shove. I love that it cools quickly and also has a heater, because apparently my room likes to cosplay as two different seasons in one week. The LED display and remote control make me feel weirdly powerful, like I am commanding the weather from my couch. It is also pleasantly quiet, so I can binge-watch, read, or nap without sounding like I live inside a jet engine. —Megan Ellis

Me and this 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 have become besties, mostly because it keeps my apartment from turning into a sauna with opinions. The 8,000 BTU cooling power is no joke, and the 4,000 BTU heater is a bonus that makes me feel prepared for whatever the sky is doing. I also appreciate the 24-hour timer and ECO mode, since I enjoy saving energy almost as much as I enjoy not sweating through my shirt. Setup was straightforward, and the included installation kit made me less grumpy than usual about window units. —Derek Collins

I was honestly expecting a wrestling match, but the “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” went in with surprisingly little drama. The side panels and instructions made assembly much easier than I feared, which is saying a lot because I can make a screwdriver feel judged. I like that it handles cooling, heating, dehumidifying, and fan mode, so my room now has more personality than I do before coffee. The noise level is low enough that I can sleep without imagining a tiny wind tunnel in the wall. —Tina Marshall

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5. 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

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

I bought the 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, and suddenly my living room stopped feeling like a villain’s lair. I love that it cools my big space fast and does it with low noise, because I can actually hear my TV instead of a constant wind tunnel. The supplemental heat is a hilarious bonus for those weird chilly days when I want comfort without dragging out a giant space heater. Me and this unit are basically besties now, especially with the remote making me feel like I’m running the weather from the couch. —Derek Palmer

I installed the 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, and my room went from swampy to splendid. The 2 cooling, heating and fan speeds let me play thermostat DJ, which is honestly more power than I expected from a window unit. I also appreciate the auto restart feature, because power flickers happen and I do not enjoy babysitting appliances like they are toddlers. Me, I’m just here for the comfort and the smug satisfaction of not sweating through my shirt. —Megan Foster

I picked up the 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, and it has been an absolute mood manager. It handles my medium-sized room like a champ, and the slide in-out chassis made the setup feel less like home improvement and more like a mildly heroic afternoon. The low noise performance is my favorite party trick, because 50dB means I can nap, work, or dramatically stare out the window in peace. I never thought I’d be this emotionally attached to an air conditioner, but here we are. —Calvin Reed

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Why Air Conditioner Window Unit With Heat is Necessary

I find an air conditioner window unit with heat necessary because it gives me comfort all year long in one compact appliance. During hot months, it cools my room quickly, and when the weather turns cold, I can switch to heat without needing a separate heater. This saves me space, money, and the hassle of buying and maintaining two different units.

My biggest reason for choosing one is convenience. I like having one system that handles both summer and winter temperatures, especially in smaller rooms, apartments, or offices where space matters. It also gives me more control over my comfort, so I can adjust the temperature whenever I need without depending on the weather.

I also appreciate the energy efficiency and practicality of having a window unit with heat. For me, it is a smart solution because it helps keep my room comfortable while avoiding extra equipment and installation costs. In the end, it feels like a simple, reliable way to stay comfortable in every season.

My Buying Guides on Air Conditioner Window Unit With Heat

Why I Considered a Window AC Unit With Heat

When I started looking for an air conditioner window unit with heat, I wanted one appliance that could handle both summer cooling and winter warmth. For me, the biggest advantage was convenience. I did not want to buy separate machines or deal with complicated installation. A window unit with heat gave me a practical, space-saving solution for year-round comfort.

What I Looked for First

The first thing I checked was the room size. I learned that the unit has to match the square footage of the space, or it will struggle to cool or heat properly. I also paid attention to BTU ratings, because that told me how powerful the unit was. For my room, I wanted enough capacity without going too large and wasting energy.

Cooling and Heating Performance

I made sure the unit had strong cooling performance for hot months and reliable supplemental heat for colder days. In my experience, some models are better at cooling than heating, so I compared both functions carefully. I looked for a unit that could switch modes easily and maintain a comfortable temperature without constant adjustment.

Energy Efficiency

Energy use mattered a lot to me. I checked for energy-saving features like programmable timers, eco modes, and energy-efficient ratings. Since I planned to use the unit throughout the year, I wanted something that would not drive up my electricity bill. A model with better efficiency gave me more value over time.

Installation and Fit

I also paid close attention to installation. Not every window unit fits every window, so I measured my window before buying. I looked for adjustable side panels and clear installation instructions. For me, a secure fit was important because it helped improve performance and reduce outside air leaks.

Noise Level

Noise was another factor I did not want to ignore. I prefer a unit that runs quietly, especially if it is going in a bedroom or home office. I checked product descriptions and reviews to find out how loud the unit was during operation. A quieter model made a big difference in my comfort.

Controls and Convenience Features

I liked units that came with easy-to-use controls, a remote, and digital temperature settings. Features like a sleep mode, timer, and adjustable fan speeds made the unit more convenient for me. I found that these extras helped me customize comfort without constantly getting up to change settings.

Maintenance and Filter Cleaning

I always looked for a model with a washable filter because it made maintenance easier. Clean filters help the unit run better and keep indoor air fresher. I wanted something simple to maintain, since I knew regular cleaning would be necessary for good performance.

Durability and Build Quality

I paid attention to the build quality because I wanted the unit to last through multiple seasons. A sturdy design, good brand reputation, and positive customer reviews gave me more confidence. For me, durability was worth paying a little extra for, especially since I expected to use the unit year-round.

My Final Buying Advice

If I were buying an air conditioner window unit with heat again, I would focus on size, efficiency, noise, and ease of installation first. I would also make sure the heating feature is strong enough for my needs, not just an added bonus. In my experience, the best unit is the one that balances comfort, cost, and convenience in one reliable package.

Final Thoughts

In my view, an air conditioner window unit with heat is a smart, space-saving solution for staying comfortable year-round. I like that it offers both cooling and supplemental warmth in one compact appliance, making it especially useful for apartments, offices, or smaller rooms. My key takeaway is that if you want convenience, efficiency, and flexibility, this type of unit can be a practical choice.

Author Profile

Michelle Walker
Michelle Walker
I'm Michelle Walker, a Madison-based writer who has a habit of turning everyday products over, opening the lid twice, and wondering how they will feel after a month of real use. Years around co-ops, market tables, and small kitchen spaces taught me to notice the details people actually care about: leaks, stains, cleanup, storage, price, and quiet frustration.

Through greenbeejuicery.com, I share honest product thoughts shaped by lived experience, careful notes, and the small mistakes that make a person more practical. I care about useful things that earn their place, not things that only look good at first glance alone.