Highest Merv Rating Furnace Filter

Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness.

Highest merv rating furnace filter. Pleated design allows 40 more surface area. Merv ratings above 16 are typically used in specialized commercial settings where air filtration is critical such as hospitals. When selecting the right filter for your application higher is not always better. For residential furnaces filters range from 4 to 12 on the merv scale.

The ratings for merv range from 1 20. Merv stands for minimum efficiency reporting value. Using an air filter with a merv rating higher than what your furnace or air conditioner manufacturer recommends can actually impair its performance. This filter does not require electricity.

What merv rating is the best. You ll find merv ratings range from 1 to 16. The merv filter rating system goes from 1 20. Closer to the high end of the scale even very small particles are blocked from passing through the filter.

In addition you may not get the air velocity required to reach all parts of your home leaving inconsistencies in temperature. The higher the merv rating on a filter the fewer dust particles and contaminants can pass through it. Not all electrostatic filters are equal. That is the highest merv rating of any washable filter on the market today.

On the lower end of the scale larger particles can make their way through the filter. Merv filter ratings and efficiency.