Can Upgrading to a 21.5×23.25×2 MERV 13 Filter Reduce Sinus Infections?
At ACInstallHub.com, we’ve seen firsthand how a neglected or low-rated air filter can turn an HVAC system into a delivery mechanism for the very irritants that trigger sinus infections. After working with countless homeowners dealing with recurring congestion and allergy flare-ups, we’ve noticed a consistent pattern: homes running basic fiberglass or low-MERV filters tend to … Read more