MERV 13 Filters: Why Your System Might Not Handle Them
Last month, I got a call from a homeowner in Edina who was frustrated. His electric bill had climbed 18% in the winter, his bedroom upstairs never got warm anymore, and his HVAC system was running constantly. When I arrived to diagnose the problem, I found exactly what I suspected: a brand-new MERV 13 filter … Read more