How to Choose the Right Air Filter for Your HVAC System
How to Choose the Right Air Filter for Your HVAC System With so many air filter options on the market, it can be overwhelming to know which filter is best for your home. The first step is to pick a filter that’s sized correctly for your system, which you can find in your HVAC unit owner’s manual. Read on for other important considerations when selecting an air filter for your HVAC system. Understanding MERV Ratings The Minimum Efficiency Reporting Value (MERV) rating measures an air filter’s efficiency in trapping airborne particles. Filters typically range from MERV 1 to MERV 16, with higher numbers capturing smaller particles. For most homes, a filter with a MERV rating between 8 and 13 is ideal. These filters capture common household pollutants, like dust, pollen, and pet dander, without restricting airflow. Higher-rated filters trap finer particles, but they may reduce airflow in certain systems, so check your owner’s manual to be sure. Types of Air Filters Fiberglass Filters Basic and affordable, fiberglass filters trap larger particles like dust and lint. However, they don’t capture smaller pollutants, so they’re best for homes with minimal allergy concerns. Pleated Filters Pleated filters capture smaller particles than fiberglass and...
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