Furnace Filter Ratings Merv Vs Fpr

Designed by the home depot for brands sold through their stores including honeywell this rating structure is very similar to merv rating.

Furnace filter ratings merv vs fpr.

In simple terms manufacturers of furnace filters perform testing to assess how well the filters block out or trap air. How to choose a filter by its merv. Fpr or filter performance rating labels filters based on a number scale from 4 through 10 in addition to a color coding system. This highly rated filter has the highest fpr possible and comes in a wide range of sizes fitting most all furnaces.

These are the most popular rating systems of furnace filters on the market today from the american society of heating refrigerating and air conditioning 3m and home depot. Fpr here i will help you understand these three abbreviations. Mpr rating scales filter rating scales indicate not only the quality or the air filtration but also the specific types of particles removed. See screenshot below this filter for sale on the home depot shows fpr 10 as equivalent to either merv 8 or merv 13.

Home depot shared a basic comparative chart but no test data or protocols. Merv mpr and fpr rating systems consist of a range of numbers that represent the filtration effectiveness. Many whole house filters list a minimum efficiency reporting value merv developed by ashrae formerly the american society of heating refrigerating and air conditioning engineers. Every furnace filter in the us carries a merv rating which is the only.

Merv minimum efficiency reporting value. Fpr or filter performance rating is a rating system developed by the home depot for brands sold through their stores including honeywell. It utilizes a color code and number scale 4 to 10 that closely resembles the merv rating. 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.

For this there are three primary codes. It equates fpr 9 and 10 to merv 12 fpr 7 and 8 to merv 11 and fpr 6 to merv 10. Below we ll break down where the rating systems come from and how to use them when shopping for your next filter. Beyond all the other factors involved in choosing the best furnace filter focus most of your attention on the ratings.

Merv fpr and mrp.