Struggling With Cold-Season Air? What Air Filter MERV Rating Is Best for Winter

HVAC technician compares MERV 8, MERV 11, and MERV 13 air filters beside a furnace to help choose the best MERV rating for cleaner winter air.

Once the furnace kicks on for the season, plenty of homeowners notice the same thing: dust settles faster, the air feels heavier, and allergy symptoms creep back, even with every window shut. Our field inspections and pressure tests point to something else. The furnace itself is rarely the problem. It’s usually a filter that worked … Read more