Breathe Smarter, Live Better
Indoor air quality affects your health, energy bills, and HVAC lifespan. Filter Fox’s smart sensor takes the guesswork out of filter changes, monitors air quality, and helps prevent mold—so you can enjoy cleaner air with less hassle.


Help Shape the Future of Smart HVAC
📍For Homeowners & Renters: Share your experience with HVAC maintenance and air quality concerns. 🏢 For Developers & Property Managers: Help us understand your challenges in managing air filters across properties. Join our beta program and be among the first to test Filter Fox—take our short survey to see if you qualify!

Smart, Compact, Powerful
The Filter Fox's patent-pending sensor easily attaches inside your HVAC system, monitoring air quality, filter health, and potential mold risks in real time. With wireless connectivity and intelligent alerts, it ensures optimal performance, lower energy costs, and cleaner air—without the guesswork.

Breathe Easy, Stay Informed
Get real-time air quality alerts and automatic filter deliveries straight to your phone. With Filter Fox, you’ll always know when it’s time to replace your filter—saving you time, money, and ensuring a healthier home.

Subscribe & Save
Never forget a filter change again! With our hassle-free subscription, you’ll get automatic filter deliveries exactly when you need them—saving you time, money, and energy. Stay ahead of air quality issues and enjoy a healthier home with effortless maintenance.