Furnace Filter Ratings Merv Vs Fpr

The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings.

Furnace filter ratings merv vs fpr.

It equates fpr 9 and 10 to merv 12 fpr 7 and 8 to merv 11 and fpr 6 to merv 10. Fpr filter performance rating. In general filters with a rating of merv 16 or below are considered to be hvac system grade filters for residential commercial and general hospital use. Created by 3m only filters designed by the 3m filtrete brand carry an mpr rating which rates the filter s ability to trap air particles smaller than 1 micron.

Fpr ratings are on a scale from 4 through 10. Created by the home depot only brands sold in the home depot stores including honeywell filters carry an fpr rating. See screenshot below this filter for sale on the home depot shows fpr 10 as equivalent to either merv 8 or merv 13. Mpr measures ratings based on sizes 0 3 to 1 microns.

Home depot shared a basic comparative chart but no test data or protocols. Mpr microparticle performance rating. They made the switch from merv several years ago. The higher the mpr the better the filter s ability to capture particles from the air only taking into account microscopic particles between 0 3 and 1 microns.

A color code and number scale 4 to 10 closely resembling the merv rating characterizes the fpr. Fpr which stands for filter performance rating is a rating system developed by and is exclusive to home depot the giant home repair maintenance and furnishing retailer. Fpr filter performance rating. Fpr is a proprietary system developed and used only by filters sold at the home depot.

How to choose a filter by its merv rating. Fpr or filter performance rating is a rating system developed by the home depot for brands sold through their stores including honeywell. For example a merv 6 rating has no equivalent fpr. It utilizes a color code and number scale 4 to 10 that closely resembles the merv rating.

This rating system was created by the home depot pertaining to brands sold in their stores including honeywell. While fpr ratings correspond to merv it s a rough set of comparisons. Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness. The merv filter rating is the domestic and international industry standard rating system established by the american society of heating refrigerating and air conditioning engineers.

Some filters on their website that have both an fpr and a merv rating and at least one with an fpr of 10 is shown as equivalent to either merv 8 or merv 13.