High Efficiency Furnace Filters Merv Rating

But for most households a merv 7 or 8 filter might be the sweet spot between performance and cost.

High efficiency furnace filters merv rating.

Merv filter ratings and efficiency. When selecting the right filter for your application higher is not always better. 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.

The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants. First and foremost your air becomes cleaner which can help improve the longevity of your hvac system. Most residential areas can remove contaminants with merv 8 to 13 while most. 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. When shopping for furnace air filters don t confuse merv with other rating systems that may. 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.

An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria. By installing an air filter with a high merv rating two things happen.