Installation is a breeze
The install kit comes pre-assembled, so the window AC is ready to go out of the box. Just follow our easy-to-read instructions and chat us if you have issues - you’ll be feeling cool in no time.
The install kit is pre-assembled for an easy installation.
Antimicrobial-protected mesh (washable) and activated carbon (lasts ~3mo).
Keeps things insulated, efficient, and clean-looking.
Sleek and intuitive, so you don't have to leave the couch.
Also ships with two types of insulation foam, scissors, window lock, and other installation hardware and accessories.
The install kit comes pre-assembled, so the window AC is ready to go out of the box. Just follow our easy-to-read instructions and chat us if you have issues - you’ll be feeling cool in no time.
We designed the AC to keep you comfortable, without getting in the way. Top vents blow air up and out at the perfect angle, delivering better airflow, quietly. With curved edges, clean lines, and an auto-dimming LED display, it hides in plain sight.
Control your smart window air conditioner with our app, for iPhone and Android. Turn the window AC unit on 10 minutes before you get home on a blazing hot day. Turn it off if you forgot you left it on (now that’s eco-friendly!). You can also connect your Windmill in-window AC unit to Google Assistant and Amazon Alexa for voice control.
The Windmill AC fits single- or double-hung windows with an opening width of 23-37 inches (8,300 BTU AC) / 22-36 inches (6,000 BTU AC) and a vertical opening of at least 14 inches (8,300 BTU AC) / 13 inches (6,000 BTU AC). The 6,000 BTU air conditioner easily cools rooms up to 250 square feet, while the 8,300 BTU room air conditioner cools rooms up to 350 square feet.
We love a good win-win… like earning cash and helping the environment with Eco Rewards™, a first-of-its-kind energy management program for window ACs. Enroll your Windmill AC in a few minutes from the app, and we’ll automatically help you use less electricity when it matters most, like during a heatwave. Available in parts of New York and California. Rewards only available in New York, for now.
We didn’t want to create another window air conditioner that’s bad for the environment. We use a responsible, eco-friendly refrigerant (R32) with 68% less global warming potential than what’s commonly used (R410a). In addition to recycling old units, we also help offset the carbon emissions of every Windmill AC unit purchased.
If for whatever reason you decide the Windmill AC's not right for you, feel free to return it within 30 days - no questions asked.
If you need a little help, we’ve made it easy for you.
We’ve pre-assembled the installation kit so setup is a breeze. And, we’re always a message away if you run into issues.
For an extra helping hand, we’ve partnered with TaskRabbit nationwide so you can find someone qualified to install your AC.
For those in NYC, we offer custom plexiglass and city-compliant installations by professional technicians.
We combined over 60 years of AC knowledge with a fresh perspective to design a better window air conditioner from scratch. Here's how we stack up.
Windmill | Legacy ACs | Other New ACs | |
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WiFi Control |
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Note: represents generalized view of the window AC market and does not intend to cover all or specific manufacturers, models, or products.
Fresh filters mean fresher, healthier air, plus improved performance and longevity for your AC. We’ll keep you supplied so you don’t have to think about it too much.
When refrigerants leak into landfills, it’s pretty awful for the environment. Properly recycling your old AC unit is an easy way to prevent that.
Find a Recycling FacilityWe’re built on a longstanding family tradition in the AC manufacturing business, bringing you a new spin on proven quality.