How to Choose Between MERV 11 and MERV 13 for Your 19.5x22x2 Air Filter
MERV 11 or MERV 13 — which one actually belongs in your 19.5x22x2 filter slot? It’s a decision that affects everything from your indoor air quality to your energy bill, and most generic advice out there gets it wrong by ignoring one critical factor: your specific HVAC setup and living situation. At HVAC Haven, we’ve … Read more