High Efficiency Furnace Filters Merv Rating

A recent innovation in air filters permits high merv ratings.

High efficiency furnace filters merv rating.

Using an air filter with a merv rating higher than what your furnace or air. The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants. Merv filter ratings and efficiency. 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.

When selecting the right filter for your application higher is not always better. However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria. Merv 17 through merv 20 filters are typically used in surgical operating rooms clean rooms and other contexts that require absolute cleanliness. But for most households a merv 7 or 8 filter might be the sweet spot between performance and cost.

The american society of heating refrigeration and air conditioner engineers ashare recommends a merv 6 or higher. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. 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.

Most people go with a merv 8 filter. By installing an air filter with a high merv rating two things happen. When shopping for furnace air filters don t confuse merv with other rating systems that may.