Do Air Purifiers Help With Allergies? My 30-Day Test
I’ll be honest — I used to be skeptical about air purifiers. As an HVAC technician, I’ve spent years telling […]
indoor air quality
MERV 8 vs 11 vs 13: What Your System Can Actually Handle
I get this question almost every week: “Dana, should I just grab the highest-rated filter I can find?” Last month
MERV Ratings Explained Without the Marketing
A few years back, a homeowner called me in a panic. Her furnace had shut down mid-January, and she was