You’d think that MERV, which stands for Minimum Efficiency Reporting Value, would be a common rating on practically any HVAC filter’s packaging. Devised by the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) as a helpful way to analyze and compare air filtration media performance, most companies rate their filters based on the MERV system.

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Tags: California, filter efficiency, Filter Performance Rating, Fresno, MERV rating, Microparticle Rating system, Minimum Efficiency Reporting Value
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