Filters you don’t think about. Smart reminders, bulk savings.

Annual subscriptions from $52

30% off your first year

Free text reminders to change your filter

100% carbon neutral


399 reviews

1. Choose your filter strength

Which filter is right for me?

2. Choose your filter size

How do I find my filter size?

3. Choose annual quantity

How often should I change filters?

Your auto-refill filter plan:

Regular price

30% OFF

First year promo applied

Only a month for clean air!

Set it and forget it,
we’ll keep you cool.

Free Text Reminders

No more remembering when to replace your filter. We'll text you when it's time

Free Carbon Offsets

We buy carbon offsets when you check out so your filters ship 100% carbon neutral

Why Windmill?

Proven Quality

Made in the USA with the #1 filter media manufacturer in the world

Clean Air

A new air filter delivers fresh, clean air and also protects your HVAC from costly repairs

We Got You

Any questions at all, we're here for you. Chat or email us anytime. We mean it.

From The Ones Living Breezy