Finally, filters made easy breezy
We started Windmill filters to make buying and replacing your home air filters as easy as possible
Tell us about you and your home, and we’ll recommend the best air filter and replacement schedule
Take Our Quiz ⟶
We ship in bulk annually to save you money and help decrease our carbon footprint. Free shipping, always
No more remembering when to replace your filter... we’ll text you when it’s time. Clean air, clearer headspace
Skip a delivery/cancel anytime.
Windmill filters are 100% carbon neutral. Every time you buy a pack of Windmill filters, we’ll automatically purchase carbon offsets on your behalf (at no additional cost to you). These offsets support environmental and sustainability projects around the world.
