Do It Yourself
We’ve pre-assembled the installation kit so setup is a breeze. And, we’re always a message away if you run into issues.
Support
Search for your question below or chat with us.
Looking for more product details? Check out the technical specs.
Don’t sweat the setup
If you need a little help, we’ve made it easy for you.
TaskRabbit
For an extra helping hand, we’ve partnered with TaskRabbit nationwide so you can find someone qualified to install your AC.
Premium Installation
For those in NYC, we offer custom plexiglass and city-compliant installations by professional technicians (they'll even remove and recycle your old unit).
Find out if Windmill is right for you
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Terms of Sale apply. Taxes and shipping calculated at checkout. *If auto-refills selected, billing of $48/year occurs when annual pack (4 filters) ships 3mo. after purchase, then annually; cancel any time.
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Step 1 - Window type
We need to make sure your window can hold an AC unit safely. It must be a single- or double-hung window (it should slide up and down) and be in good condition. Does this describe your window?
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Step 2 - Window Size
Great! Let’s figure out window size. The Windmill AC is designed to fit windows with a width of 23-37 inches and a vertical opening of at least 14 inches. Sounds accurate?
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Step 3 - Space Size
OK, what's the approximate size of your space? Best guess is fine!
Small
(100-250 Square ft.)
Medium
(250-350 Square ft.)
Large
(350+ Square ft.)
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