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The Breakdown: MERV vs. MPR vs. FPR

When it comes to your home's HVAC system, there's enough jargon and enough complicated, unfamiliar words to tie your brain in a knot. Then consider the fact that there are three different types of filter rating systems and you might wish you never had an HVAC system to begin with. Well, maybe that won't be the case, but we want to take some time to explain a few of the key differences with you. MERV, MPR, FPR - what do they all mean? Find out below: If you've spent any time shopping around for a new filter for your furnace, you may have come across a few different acronyms. Each of them stands for something different but they essentially mean the same thing. Here's a quick breakdown: The Breakdown: MERV vs. MPR vs. FPR | HVAC Northern Kentucky | Rusk Heating & Cooling MERV (Minimum Efficiency Reporting Value): this is the primary rating for filters in the industry both domestically and internationally. This rating was established by the American Society of Heating, Refrigerating and Air Conditioning Engineers and it measures a filter's ability to trap and hold particles and other airborne pollutants. MPR (Micro-Particle Performance Rating): if you've taken a look at any filters produced by the 3M brand, chances are you've seen the letters M-P-R. Similar to MERV, this system rates filters based on their ability to capture airborne particles, but the twist is that they must be smaller than 1 micron. FPR (Filter Performance Rating): this system was developed specifically for The Home Depot and only pertains to brands sold in their stores. The FPR system uses a color code and number scale that is very closely related to the MERV system. Still have questions about the different types of filter rating systems? Contact the HVAC experts at Rusk Heating & Cooling today - our techs provide professional work for heaters, ac units and even boilers!