MERV 16 vs HEPA Filters: Which Truly Cleans Your Home’s Air?
Last August, our technician opened a filter bay in Fresno and found a HEPA filter jammed into a standard return air slot. The blower motor was running above its rated spec. The homeowner’s energy bill had climbed roughly $47 a month since she installed it. She thought she had made an upgrade. HEPA carries real … Read more