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Customer reviews for Windmill 12KBTU Window AC with Inverter, Eco Friendly, Easy to Install, 3 Cooling Settings, 3 Fans, Insulating Side Panels, App and Voice Controlled for
Windmill 12KBTU Window AC with Inverter, Eco Friendly, Easy to Install, 3 Cooling Settings, 3 Fans, Insulating Side Panels, App and Voice Controlled
4.8 out of 5 stars
stars1,360 ratings1,359 reviews
  1. 5 stars89% (1,213)
  2. 4 stars7% (91)
  3. 3 stars3% (40)
  4. 2 stars1% (13)
  5. 1 star0% (3)
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Showing 81-90 of 1,359 reviews
Dec 27, 2025
Alexandra L.
5 out of 5 stars review

Amazing

I did a lot of research before buying a window AC. Originally, I wanted one of the U-shaped window ACs that have been popular in recent years. When they all started being recalled over mold issues last spring, I decided to go with Windmill instead because of the inverter technology. I'm so glad I did. I have the Whispertech 8k BTU and it keeps our queen size bedroom freezing cold in the summer. It's so quiet, and it was very easy to install. I like how sleek it looks. I got a second one for our guest bedroom and in the summer when both are on and the doors are open, our entire 1200sqft apartment stays really comfortable. Electric bills were entirely reasonable and I can't say I noticed any difference from having them. 10/10.

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Dec 21, 2025
Jess
5 out of 5 stars review

Love my windmill!

I live in an old 1950's cape cod style home that doesn't have great insulation and that has an upstairs that is almost always the temperature of outside. This summer our ac also broke. We used a windmill in our main living area and in our upstairs bedroom and they were an absolute game changer. I love that they're sleek and quiet, they don't take up much space but do an incredible job and keeping the space cool. The app has app been helpful in that I can check the room temp from home or away and can adjust the temperature or turn the unit on or off. I absolutely recommend checking out windmills window unit if you're in need of an ac in your space!

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Dec 8, 2025
Justin K.
5 out of 5 stars review

Gamechanger and I now have 3 units

Finally, a thoughtful and well designed A/C until that doesn't sacrifice form or function. On top of it, their customer service is second to noneIf I were to offer a design suggestion, consider having a magnet in the remote so that it can stay with the unit

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Dec 8, 2025
Alexa M.
5 out of 5 stars review

Great AC for My Apartment

I bought the Windmill AC for my apartment in NYC, and it's been perfect. It cools my space quickly, runs quietly, and looks sleek—way better than any other AC I've had. The app is easy to use, and installation was a breeze.Definitely recommend it if you need something reliable and stylish without the usual noise.

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Dec 22, 2025
Hannah J.
5 out of 5 stars review

Loving our Windmill ACs in our old home!

We have an old, New England Victorian home. We got quotes for installing a cooling system through the attic that would have cost upwards of $20K that we do not have! Windmill was the obvious next best solution and we are so happy with our ACs. They look pleasing to the eye and are not an eye sore, run great provided you follow the filter cleaning instructions regularly, and can even stay in place during the winter. We love that they are designed with winter in mind - we don't have any room to store them so currently they are still in place which the company actually recommends and with their stylish, fitted Winter AC covers. Their customer service is top notch also! They are extremely communicative and are happy to help support you in any way - trouble shooting the wifi connection with their remote control app, AC damage along the way (get the shipping protection!), or returns and refunds. We love you Windmill! A great company for all your cooling needs. :)

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Dec 10, 2025
Kaila (. n. o.
5 out of 5 stars review

Great machine - even better customer service

Doesn't look - or perform - like any other window unit. Stay sleek and cool with this low profile, remote-controlled unit. And the best part is the customer service team ready to help you out if any issues arise. When I had difficulty the team went above and beyond to find a creative solution. You don't get that level of attention when you're dealing with a huge company. They take pride in their products and in their service.

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Dec 8, 2025
Luis M.
5 out of 5 stars review

Bought Two Units--Love Them Both

I bought the original 6BTU unit for my bedroom and the super quiet 10BTU unit for the living room. Love the remote option. It's great that you can turn them on before you get home. They are quiet and efficient! I highly recommend them. Oh, and customer service is great.

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Nov 25, 2025
Mich
5 out of 5 stars review

Great and stylish little A/C

Needs to replace the window A/C in a small bedroom and I chose Windmill for the easy installation. Happy I did. We have an old house and sometimes it tricky to fit window units so I liked the thought that this one was all one piece. No accordeon sides to lose or break since they are permanently attached. The app to manage the A/C (and fan) from away was simple and effective. I will probably add another unit for a larger room at the beginning of the next summer

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Oct 3, 2025
Sandra F.
5 out of 5 stars review

trying something different

I saw this AC on a news site, and thought it sounded like a great little machine. Now that I have one in my window I can report the Windmill is quiet, easy to control, and keeps my rooms nice and cool. No more roaring when the compressor kicks in. I love it!

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Nov 25, 2025
Tim K.
5 out of 5 stars review

Whisper quiet, cool as the other side of the pillow

I love my Windmill AC so much, I've purchased two more (one for the home office, one for the general downstairs) to keep my house cool during the summer and quiet enough to hear one another. Easy to install (and remove in the winter) with Bluetooth capability, I can cool the house down on my ride home from the gym or the beach. 100% satisfied customer!

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