FAQs About Air Filter Ratings
No matter what type of heating and cooling system your St. Louis, MO, area home has, it’s important to check its air filter once a month. The air filter captures particles from your home’s air, which keeps your home cleaner, reduces excess wear and tear on the heating and cooling equipment, extends the heating and cooling system’s lifespan and helps you breathe easier. Choosing an air filter can be tough, which is why our technicians at offer these 10 FAQs and answers for homeowners in and around St. Louis. 1. What Rating System Is Used for Heating and Cooling Air Filters? The rating system used for heating and air conditioning air filters is called the minimum efficiency reported value, or MERV, system. This rating system was designed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers. This is a group of professionals who each have decades of hands-on experience with building, designing, installing, maintaining and repairing heating, ventilation, refrigeration and air conditioning systems. 2. What Is the Range of Ratings for Air Filters? MERV ratings range from 1 to 20. The higher the MERV rating, the more particles 0.3 microns in size the filter is able to capture. It’s...
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