MERV Ratings: Merv 13 vs Merv 11 vs Merv 8

Indoor air quality may not be something that crosses your mind until you start sneezing or the asthma or allergies of family members become irritated. Ensuring that your home’s HVAC system is properly cleaning your indoor air means using the correct filter. The MERV rating is a good place to start. Dust, pollen, allergens, spores,…