Most people go with a merv 8 filter.
High efficiency furnace filters merv rating.
The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants.
However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria.
First and foremost your air becomes cleaner which can help improve the longevity of your hvac system.
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.
The american society of heating refrigeration and air conditioner engineers ashare recommends a merv 6 or higher.
Most residential areas can remove contaminants with merv 8 to 13 while most.
Merv filter ratings and efficiency.
When shopping for furnace air filters don t confuse merv with other rating systems that may.
Merv stands for minimum efficiency reporting value and is a measure of how well a filter removes particulates from the air.
A low merv rating means that the filter does not remove as many particulates from the air.
But for most households a merv 7 or 8 filter might be the sweet spot between performance and cost.
A recent innovation in air filters permits high merv ratings.
An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter.
Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness.
Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air.