Air Filter Ratings Merv Vs Fpr

If the merv rating is too high above merv 13 however it can increase system backpressure and block air flow worsening the effectiveness of your hvac.

Air filter ratings merv vs fpr.

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. Fpr ratings are on a scale from 4 through 10. All filters sold must meet basic safety expectations and most brands have higher level filters to address particular needs and situations. The higher the merv rating the more particles it captures.

Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings. Merv ratings extend from 1 to 16. The three air filter rating systems differ in ranges and were created by separate organizations. See screenshot below clearly this isn t clear.

Fpr or filter performance rating is a rating system developed by the home depot for brands sold through their stores including honeywell. Merv ratings run on a 1 20 scale that designates the effectiveness of filters to capture certain particle sizes. Mpr measures ratings based on sizes 0 3 to 1 microns. See screenshot below this filter for sale on the home depot shows fpr 10 as equivalent to either merv 8 or merv 13.

Many homes use filters with a merv rating of 1 4 which mostly filter out dust lint and pollen among other larger common particles they do very little to trap small microparticles. Fpr filter performance rating is a rating system developed by the home depot for brands sold through their stores including honeywell. However fpr 1 doesn t necessarily equate to merv 1. While fpr s rating system goes from 1 to 10 merv s rating system goes from 1 to 20.

Compared to the home depot s method of ranking air filters fpr merv has wider range. Fpr 10 is similar in strength to merv 20 since they are both the highest rating value. It isn t until fpr 4. 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.

It utilizes a color code and number scale 4 to 10 that closely resembles the merv rating. Is an fpr 10 the same as merv 16 or merv 13 or merv 8. The merv filter rating is the domestic and international industry standard rating system established by the. Mpr rating scales filter rating scales indicate not only the quality or the air filtration but also the specific types of particles removed.

Learn more about proper air filter maintenance and associated benefits. Merv 17 through merv 20 filters are typically used in surgical operating rooms.