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What MERV rating should I choose for my air filter?

When selecting an air filter, it’s essential to consider its MERV rating, which ranges from 1 to 20. Filters with higher ratings offer finer filtration, but not all levels are suitable for residential use.

MERV ratings 16 through 20 are typically reserved for specialized environments like hospitals and cleanrooms. For home use, filters with ratings between MERV 5 and 13 work just fine.

While a higher MERV rating may seem preferable, it’s not always necessary and can potentially hinder your HVAC system’s efficiency. The optimal MERV rating strikes a balance between effective filtration and maintaining system efficiency.

So while the range typically is broad for homes, in Spokane, we recommend a MERV rating between 8 and 10 for your home filter. These filters effectively capture airborne particles, enhancing indoor air quality without significantly increasing energy costs.