Furnace Filters Merv Rating

Every furnace filter has a minimum efficiency reporting value merv rating which measures how efficiently the filter captures particles of specific sizes that pass through it as your furnace operates.

Furnace filters merv rating.

Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness. The american society of heating refrigerating and air. Merv ratings range from 1 16. There are a wide variety of sizes to choose from with this filter which has a merv rating of 13 the highest tier on the scale.

Using an air filter with a merv rating higher than what your furnace or air. Merv filter ratings and efficiency. Merv 5 to 7. When selecting the right filter for your application higher is not always better.

Merv ratings range from 1 to 16. The chart below shows the merv ratings. Fpr ratings are on a scale from 4 through 10. Merv ratings extend from 1 to 16.

Merv ratings range from 1 least efficient to 16 extremely efficient. Use this rating system compare filters made by different manufacturers. When shopping for furnace air filters don t confuse merv with other rating systems that may appear on packaging especially from big box home improvement stores. One of the best furnace filters for cigarette smoke is the nordic pure pleated ac furnace air filter which boasts a high merv rating and rave reviews.

But for most households a merv 7 or 8 filter might be the sweet spot between performance and cost. Read our blog for more information on how to choose the right filter for your furnace. The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it. The higher the merv rating on a filter the fewer dust particles and other contaminants can pass through it.

Mpr measures ratings based on sizes 0 3 to 1 microns. 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. Owen said filters in this range like this merv 7 nordic pure were created as an improvement on the basic merv 1 to 4 filters and designed to also filter out midsize particles 3. The three air filter rating systems differ in ranges and were created by separate organizations.

This is an industry standard rating system. The merv filter rating is the domestic and international industry standard rating system established by the. Merv air filter ratings range from 1 least efficient captureability to 16 very efficient. Merv stands for minimum efficiency reporting value.