Furnace Filters Merv Rating

But for most households a merv 7 or 8 filter might be the sweet spot between performance and cost.
Furnace filters merv rating. The three air filter rating systems differ in ranges and were created by separate organizations. Using an air filter with a merv rating higher than what your furnace or air. It shows particle size ranges. The merv filter rating is the domestic and international industry standard rating system established by the.
When selecting the right filter for your application higher is not always better. This rating system reports how well the filter captures and holds dust. Merv ratings range from 1 to 16. Mpr measures ratings based on sizes 0 3 to 1 microns.
Merv ratings extend from 1 to 16. Merv 5 to 7. 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. Fpr ratings are on a scale from 4 through 10.
This is an industry standard rating system. 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. The higher the merv rating on a filter the fewer dust particles and other contaminants can pass through it. Use this rating system compare filters made by different manufacturers.
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. The chart below shows the merv ratings. Merv stands for minimum efficiency reporting value. Merv ratings range from 1 16.
It also shows air filter efficiency. The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it. The american society of heating refrigerating and air. Merv filter ratings and efficiency.
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. Read our blog for more information on how to choose the right filter for your furnace. Merv ratings range from 1 least efficient to 16 extremely efficient. 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.