Merv filter ratings and efficiency.
High efficiency furnace filters merv rating.
An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter.
By installing an air filter with a high merv rating two things happen.
Most people go with a merv 8 filter.
Most residential areas can remove contaminants with merv 8 to 13 while most.
The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants.
When selecting the right filter for your application higher is not always better.
If your family has health or allergy issues then you may want to look for a high efficiency filter that s merv 11 or higher.
A recent innovation in air filters permits high merv ratings.
Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness.
Using an air filter with a merv rating higher than what your furnace or air.
A low merv rating means that the filter does not remove as many particulates from the air.
However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria.
The american society of heating refrigeration and air conditioner engineers ashare recommends a merv 6 or higher.
First and foremost your air becomes cleaner which can help improve the longevity of your hvac system.
Merv stands for minimum efficiency reporting value and is a measure of how well a filter removes particulates from the air.