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