Indoor Air Quality A Homeowner’s Guide How to protect your heating and air conditioning equipment and enjoy cleaner air in your home

Clean air is determined by the efficiency of a filter or an air cleaner.

Filters have an efficiency rating called MERV.
(Minimum Efficiency Reporting Value)
MERV ratings are used to rate the ability of a filter to remove particles from the air as they pass through the filter.

The higher the MERV rating, the cleaner the air!

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