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Customer reviews for Windmill WhisperTech 8,000 BTU 115-Volt Inverter Window Air Conditioner, App for
Windmill WhisperTech 8,000 BTU 115-Volt Inverter Window Air Conditioner, App
4.8 out of 5 stars
stars1,369 ratings1,369 reviews
  1. 5 stars89% (1,218)
  2. 4 stars7% (91)
  3. 3 stars3% (42)
  4. 2 stars1% (14)
  5. 1 star0% (4)

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Showing 61-70 of 1,369 reviews
Feb 3, 2026
Mallory
5 out of 5 stars review

Windmill AC_Great Customer Service!

We have used the Windmill AC for the past two summers to combat the northeastern heat and humidity. After a summer of successful use, our unit's compressor unexpectedly stopped working during the second summer. The Windmill AC team helped trouble shoot the issue and when it became apparent that the issue couldn't be solved, quickly sent out a replacement unit. They were absolutely wonderful to work with! We were able to engage with real people the entire time. They made the process a breeze- pun fully intended! ;-) Within a few days, we had a new unit in place to combat the summer heat! The unit keeps our place cool, is a quieter than any we have ever used (and we have used them all!), and isn't an eyesore! Wins all around!

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Jan 19, 2026
Erin
5 out of 5 stars review

aesthetic, quiet, and powerful

I highly recommend the Windmill AC. We purchased the 12,000 BTU unit, and it keeps our large, open-concept kitchen and living area consistently comfortable throughout the summer. It runs very quietly, blends seamlessly into the room, and is easy to control remotely through the app.

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Feb 10, 2026
Joe
5 out of 5 stars review

Fantastic Product

As a Coloradan, migrating to New York City five years ago was... sticky. Pretty sure I'd never experienced heat, humidity—ALL of it like it was in NYC. And to top it off, he's a hot sleeper!! I tried serval units over several years until I finally found the one... Windmill! I'd still have it many years later if I hadn't moved into a building w central air. THANK YOU WINDMILL

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Jan 20, 2026
Erin
5 out of 5 stars review

Pre-Civil War home in southwest Ohio

I ordered the smallest Windmill AC for our 2nd floor hallway in our brick row house built circa 1850 in southwestern Ohio. Why on earth, you may be asking?- the summers are hot and muggy, with weeks well over 95 degrees and nights that just don't cool off.- our house is tall and narrow. 4 floors, including the stone basement, and everything is brick/stone so the heat hangs on in summer. In winter it's great, in summer you just want to lay on the floor in your swimsuit and drink Gatorade.- oddly enough, we have central A/C through out the 1st and 2nd floors and a mini-split system in the finished attic. It was an airflow issue. The ceilings are nearly 11 feet and with teenagers than kept their doors shut unless they were actively using their doors, the 2nd floor had zero circulation. Heat built up in the hallway where there wasn't an A/C vent and it was impossible to install one because the cool air from the ground floor forced it upwards. The attic mini-spits weren't designed to maintain CONSTANT, UNYIELDING action and were struggling to keep up with the warm air perpetually floating upstairs. The energy bill was ballooning wildly out of control and with my bedroom, bathroom, and work from home office in the finished attic, something had to be done.With one window 22 inches wide in the hallway, I ordered the 6k BTU unit and crossed my fingers. Installation took 3 minutes. The unit was directly across from my husband's office and he couldn't notice any background noise, even with the door open. Within the afternoon, the hallway was the same temperature as the rest of the house and the upstairs system shut off for the first time in weeks.That would have been enough for me, I was already celebrating. Over the rest of the summer, my energy bill was down roughly 40% despite having an additional AC unit. I've recommended it to several neighbors who suffered from the same issue and have a similar layout.

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Feb 1, 2026
Joey C.
5 out of 5 stars review

Great cooling solution

I love my window unit. I have a Cape Cod, and the upstairs bedroom is too hot to sleep in during the summer. It also isn't a ton of square feet. The Windmill AC I bought is the perfect size. It is sleek, effective, and so efficient that I don't notice a huge difference in my electrical bills in the summer. I am really satisfied with it.

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Mar 8, 2026
Ana K. M.
5 out of 5 stars review

Amazing!

Excellent product and outstanding customer service! The AC does a fantastic job keeping the room cool. What truly impressed me, though, was how responsive, and helpful the support team was after I contacted them about an issue I had. They were kind, attentive, professional, and truly committed to helping/making things right. It's refreshing to see a company that truly cares about its customers, and stands behind its products. I'm beyond satisfied, and would highly recommend them to anyone looking for a reliable AC, and outstanding support!

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Jan 26, 2026
C F.
5 out of 5 stars review

Solid AC unit

I live in 100 year old building with 4 exposures (n,s,e,w). We have to rely on AC units to keep our apt cool. We bought 3 units and it has seriously helped. The units are understated, not obnoxiously loud and best of all the app woes quite well to turn the units on before we get home. It's so easy to program them to turn on and off that it almost feels like central air because when we come home it's actually cool! I had an issue with one unit and the customer service was also great. Stand out product and buying experience.

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Jan 23, 2026
J L.
5 out of 5 stars review

I love my Windmill Air conditioner

I have a small house in upstate New York that is about 1000 ft.2 and my 10,000 BTU Windmill Air extremely quietly cools the whole house even in the hottest days of the summer. It's attractive, easy to change filters on, and extremely quiet, which is what I really need since I sit very close to it in my living room. It is certainly the best air conditioner I've ever had and I have suggested it to many people. It is well worth the money spent. I have now gone through two summers with my Windmill Air and I can report that it runs like a charm.J Lotus

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Feb 10, 2026
Ann H.
5 out of 5 stars review

Happy to have purchased

I love my windmill air conditioner. So quiet and efficient. The cooled air blows out from the top of the unit . The magnetic cover is a genius idea when cleaning the filter. Appealing to the eye and the side cover panels really add to the attractiveness of the unit . I'm planning on purchasing another in the future.

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Feb 6, 2026
Skye R.
5 out of 5 stars review

The best AC on the market

I bought this AC through a recommendation from my sister , she has three and work perfectly. When I got my apartment, I didn't think twice and order one for me. Very quiet and looks modern. Love this product and super recommended. Great customer service. It was an easy summer in NYC because of this amazing AC.

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