Understanding MERV Ratings on Filters

Understanding MERV, or minimum efficiency reporting value ratings, on filters

A question we get asked a lot at J & R Heating is why do higher MERV rated filters cost more money.  To answer this questions it’s important to know that MERV ratings range from 1-16 and are used to rate the ability of a filter to remove particles from the air as it passes through the filter.  The higher the MERV rating means fewer dust particles and other airborne contaminants passing through the filter.  Oftentimes higher MERV rated filters will last longer.  J & R Heating carries the Lennox Pure Air system with a Merv 16 hospital grade filter and is listed as a Consumer Digest Best Buy.  For more information about filters, please contact us at jrheating.com.

What A PureAir Air Purification System does…

– removes particles including pollen, dust, and pet dander

– removes bioaerosols and microorganisms including mold, viruses, dust mites and bacteria

– removes and destroys household odors and chemical vapors

– listed as a “Best Buy in Whole-House Air Purification” in Consumers Digest


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