Best Air Filters for Maryland’s Allergy Season: Ratings, Types, and How Often to Change Them
Maryland’s allergy season can feel relentless if you suffer from allergies. Tree pollen arrives early in the spring, grass pollen follows shortly after, and mold spores can appear during humid weather. Even with your windows closed, allergens can enter through your ventilation system. Once inside, these particles circulate through your HVAC system unless the air filter captures them. Choosing the right air filter will help control your indoor allergens during peak season. Understanding Air Filter Ratings Air filter ratings determine how effectively a filter captures airborne particles. The most widely used rating system is the MERV rating, which
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