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Sep

Do you know your (HVAC) System Filters and Furnace Filters

How are HVAC/furnace filters rated? There are several commonly used filter rating methods. These include the Minimum Efficiency Reporting Value (MERV), Filter Performance Rating (FPR), Microparticle Performance Rating (MPR), and others. MERV is based on a national consensus standard. The FPR and MPR rating methods are proprietary. For all rating methods, the higher the filter […]

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