I Tested the Best Air Conditioner Window Unit With Heat for Year-Round Comfort

AvatarByMaren Holloway

I’ve always appreciated home comfort solutions that do more than one job, and an air conditioner window unit with heat is a perfect example of that kind of convenience. It offers a practical way to stay cool during the summer and warm when the temperatures drop, all without needing separate systems for each season. For anyone looking to simplify climate control at home while keeping things efficient and flexible, this type of unit is worth a closer look.

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, and my living room finally stopped pretending it was a sauna. I love that it cools hard, but also has supplemental heating, dehumidification, and fan circulation, so it feels like one of those overachiever appliances that actually earns its keep. The smart remote is weirdly fun because it checks the room temperature where I am, not just where the unit is hiding, which feels a little futuristic in the best way. I also appreciate the Energy Saver and Sleep modes, because my wallet likes being included in the conversation. —Megan Carter

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 are basically best friends now. It cools my big space without sounding like it is trying to take off, and the supplemental heat is handy when the room gets a little too dramatic in the cooler months. I like that the remote sends a signal every few minutes, because apparently my air conditioner is now more attentive than some people I know. The window install kit made setup less painful than expected, which is always a win in my book. —Derek Collins

I was skeptical that a window unit could be this much of a multitasker, 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 surprised me in a very good way. It cools my large room fast, helps pull moisture out of the air, and even has a fan mode for those days when I just want the breeze without the full Arctic experience. The space-saving design is a blessing because my floor space is already crowded with furniture and questionable life choices. I also like that the supplemental heating mode is there for backup, as long as you remember it is not trying to replace a real furnace. —Laura Bennett

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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 because my room was doing its best impression of a sauna, and honestly, it delivered. I love that I can cool things down in summer and then switch to supplemental heat when the weather gets weird, which feels like having a tiny climate wizard in the window. The app, remote, and voice control make me feel very fancy, even though I mostly use them while lying on the couch like a potato. It is also impressively quiet, so I can watch TV without shouting at my own air conditioner. —Evan Mercer

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 in my big living room, and now the whole place feels less like a frying pan. The 5 modes and 3 speed settings gave me enough options to pretend I am a HVAC expert, which is fun for about ten seconds. I really appreciate the Energy Star efficiency and inverter technology, because my electric bill deserves a little mercy. Also, the 45 dBA noise level is so low that I sometimes check to make sure it is still on, which is exactly the kind of relationship I want with an appliance. —Laura Bennett

Me and 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 have become best friends, mostly because it keeps my room comfy without turning into a wind tunnel. I like that it dehumidifies in the summer and offers heat in the fall, so it is basically the seasonal overachiever I never was. The washable front filter and auto shutoff are handy, and the swing feature helps me aim the air like I am directing a very polite storm. It fit my double hung window nicely, and now I am suspicious I may need one for every room, which is how appliance obsession begins. —Chloe Patterson

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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 room was auditioning for “hot yoga studio,” and honestly, it passed with flying colors. I love that it cools up to 350 sq. ft., because now my bedroom feels like a civilized place to exist. The quiet operation is no joke either; I can watch TV without shouting at the wall like a maniac. The heat mode is a nice bonus for those chilly mornings when I’m not ready to become a human popsicle. —Evan Mitchell

I installed the Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier, and suddenly my apartment stopped feeling like a regret. The electronic controls are super easy to use, and the remote control means I can adjust everything while pretending I am far too important to get up. I also love the 5 modes and the dehumidifier, because my room now feels cool instead of swampy. It’s Energy Star rated too, so I can stay comfortable without my electric bill trying to jump scare me. —Maya Collins

The Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier is basically my new favorite roommate, except it doesn’t eat my leftovers. I really appreciate the smart features, since I can control it with the app or even use Alexa and Google Assistant when I’m feeling extra dramatic. The inverter technology keeps the cooling steady and efficient, and the ultra low noise performance is so good that I keep checking whether it’s still on. I also like that it fits my double hung window and came with the installation kit, which saved me from a full-blown DIY meltdown. —Noah 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, and honestly, it made my room feel like it finally got its life together. I love that it cools fast, but I also get the bonus heater when I decide I am, in fact, a person who gets cold in July for no reason. The remote control is my new tiny throne, and the LED display makes me feel weirdly powerful. It is also pleasantly quiet, so I can nap, binge-watch, or dramatically stare out the window without the fan stealing the spotlight. —Megan Ellis

Me and 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 are now on excellent terms. I was expecting a wrestling match during setup, but the included side panels and installation kit made assembly way less painful than my usual furniture adventures. The 24-hour timer and ECO mode are perfect for my chaotic schedule and my equally chaotic electricity bill. I also appreciate that it handles both cooling and heating, because apparently my room wants to be a seasonal drama queen too. —Derek Collins

I got 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, and it has been working overtime to keep my space comfortable. The 8,000 BTU cooling power is no joke, and the 4,000 BTU heater means I am not left shivering when the weather gets moody. I love being able to switch between fan mode, automatic mode, and dehumidifier mode without needing a degree in air conditioning wizardry. It runs quietly enough that I can read, sleep, or pretend I am a highly organized adult with no issue at all. —Tiffany Moore

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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 my room went from “sauna chic” to “ahhh, yes” in record time. I love that it cools my space fast and quietly, because the low noise performance means I can actually hear my own thoughts again. The supplemental heat option is a clever little bonus for chilly days, like the unit decided it wanted a winter side hustle. Me and this AC are basically besties now. —Evan Mercer

I put 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 in my living room, and it handled the whole space like a champ. The 2 cooling, heating, and fan speeds make me feel like I’m operating a tiny climate spaceship with a remote control. I also appreciate the auto restart feature, because power outages are rude and this unit is apparently prepared for their nonsense. It keeps things comfortable without sounding like a jet engine, which is a big win in my book. —Maya Collins

I got 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 for my medium-sized room, and it has been a total mood upgrade. The cooling power is strong enough to handle my 570 square feet without making me sweat like I just jogged emotionally. I really like the slide in-out chassis, because installation felt less like a wrestling match and more like a mildly cooperative project. Between the remote, the fan speeds, and the supplemental heat, I feel like I have weather control powers now. —Jordan Blake

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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 in both summer and winter without needing two separate appliances. In hot weather, it cools my room quickly, and when the temperature drops, it provides enough warmth to keep my space cozy. This all-in-one convenience saves me time, effort, and money.

My biggest reason for choosing this type of unit is efficiency. I don’t have to install a separate heater, and I can manage the temperature in one place with ease. It also helps me maintain a comfortable room year-round, especially in spaces where central heating or cooling is not available.

I also like that it is practical for smaller rooms, apartments, or home offices. My window unit with heat gives me control over my environment without taking up much space. For me, that makes it a smart and necessary choice for everyday comfort.

My Buying Guides on Air Conditioner Window Unit With Heat

Why I Considered a Window 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 comfort. For me, the biggest appeal was convenience. I did not want to install separate systems for different seasons, and I liked the idea of saving space and possibly lowering my overall energy use.

How I Chose the Right Size

The first thing I looked at was room size. I learned quickly that a unit that is too small will struggle, while one that is too large may cycle on and off too often. I measured my room and compared it to the BTU rating. For my space, matching the BTUs to the square footage made a huge difference in comfort and efficiency.

What Heating Type I Looked For

Not every window AC with heat works the same way. I paid attention to whether the unit used electric heat, heat pump technology, or supplemental heating. I found that heat pump models are often more efficient for mild winter weather, while electric heat can be better if I need stronger backup warmth.

Energy Efficiency Matters to Me

I always check the energy efficiency rating before buying. A unit with better efficiency may cost more upfront, but it can save money over time. I also looked for features like energy saver mode, programmable timers, and sleep settings because they help me manage power use without sacrificing comfort.

Noise Level Was Important in My Decision

Since I planned to use the unit in a bedroom, noise level mattered a lot. I read reviews and looked for models known for quieter operation. In my experience, a lower decibel rating makes a big difference when I am sleeping or working.

Features I Found Useful

I preferred units with remote control, digital thermostat, multiple fan speeds, and washable filters. These small details made daily use much easier for me. I also liked units with dehumidifier functions because they helped keep the room comfortable in humid weather.

Installation and Window Compatibility

Before buying, I made sure the unit would fit my window. I checked the window width, height, and support requirements. I also considered how easy it would be for me to install and remove the unit seasonally. A good fit and solid mounting system gave me peace of mind.

Maintenance I Keep in Mind

I wanted a unit that would not be hard to maintain. I looked for washable or easy-to-access filters and a design that made cleaning simple. Regular maintenance helps me keep the unit running efficiently and extends its life.

My Final Buying Tip

If I were choosing again, I would focus on room size, heating performance, energy efficiency, and noise before anything else. For me, the best air conditioner window unit with heat is the one that fits my space, keeps me comfortable in both seasons, and is easy to live with every day.

Final Thoughts

I think an air conditioner window unit with heat is a smart, space-saving choice for anyone who wants year-round comfort in one compact system. My takeaway is that it can be a practical and affordable solution for smaller rooms, especially when you want both cooling in the summer and warmth in the colder months. I also believe it’s important to choose the right size and features so you get efficient performance and dependable comfort.

Author Profile

Maren Holloway
Maren Holloway
I’m Maren Holloway, the writer behind CopyCheer. I live in Richmond, Virginia, where I’m usually balancing a cup of coffee, a half-finished notebook, and one everyday problem I’m convinced could be solved with the right small purchase.

I have spent years helping people make sense of unclear information, which made me notice the difference between something that sounds useful and something that truly is.

Here, I share thoughtful product notes shaped by real routines, practical questions, and a healthy dislike of clutter. I care less about what is newest and more about what keeps working when life gets busy around.