Air Filter Guides
Practical guides for choosing and maintaining your air filter. Seasonal prep for allergies and wildfires, plus a step-by-step guide to finding your filter size.
Allergy Season Air Filter Guide
MERV 11 minimum for seasonal allergies, MERV 13 for severe. How to prep your HVAC for spring pollen and fall ragweed season.
Wildfire Season Air Filter Guide
The EPA recommends MERV 13 or higher for wildfire smoke. What to do before, during, and after fire season to protect indoor air quality.
Filter Size Guide
Find your air filter size in 3 steps. Common sizes table, nominal vs actual dimensions explained, and measuring tips.