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FAQs

What makes the Windmill AC unique?

We combine decades of AC knowledge and manufacturing experience with a modern approach to deliver a better window AC, built from scratch. Our units are beautifully designed, powerful, quiet, smart, and easy-to-install (we pre-assemble the installatio

Will the Windmill AC work in my window? Can I use it through the wall?

The Windmill AC should NOT be used with:. The Windmill AC was designed to work in windows that open up and down (single- and double-hung windows) with the following dimensions:. 8,000, 10,000, and 12,000 BTU AC: The window should have an open width o

What are the product specs for the AC?

Visit the Windmill AC Specs Page to learn more about the technical specs of all our AC models, including dimensions, weight, decibels, etc!

Why is choosing the right size AC unit for the room space important?

We want to make sure you get the best experience and performance from your window AC. One important factor is choosing the correct BTU rating for your room size. If the unit is too large or too small, it may not operate efficiently—and in some cases,

Can my window AC cool several rooms at once?

In most cases, a window AC can partially cool multiple rooms if doors are open and the square footage is within boundaries of the BTUs—but there are important limitations. Here's what to expect:. Even Cooling Across Multiple Rooms. Cool air will stay