Everything You Need to Know About Furnace Filters
TL;DR: Furnace Filters Explained Furnace filters protect your system first, air quality second. Their main job is keeping dust and debris out of your HVAC equipment. Higher MERV is not always better. Too much filtration can restrict airflow and strain your system. Most homes should use a MERV 8–11 pleated filter. It’s the best balance … Read more