Merv Ratings: The Key To Clean Indoor Air
The Minimum Efficiency Reporting Value (MERV) rating measures the effectiveness of furnace filters in capturing airborne particles. A higher MERV rating indicates better filtration, removing smaller particles like dust, pollen, and bacteria. Top industry players include 3M, Honeywell, and Lennox. The EPA and OSHA regulate air quality and filtration standards, while organizations like AFI and…