Air Conditioning Filters Merv Rating

Many whole house filters list a minimum efficiency reporting value merv developed by ashrae formerly the american society of heating refrigerating and air conditioning engineers.

Air conditioning filters merv rating.

First and foremost your air becomes cleaner which can help improve the longevity of your hvac system. In other words merv ratings indicate an air filter s ability to remove pollutants from the air. They remove large airborne particles that could otherwise damage your heater or air conditioner but they do little in the way of improving your indoor air quality. The merv rating on an air filter was designed by the american society of heating refrigerating and air conditioning engineers ashrae to rate the effectiveness of air filters.

Merv is the minimum efficiency reporting value which is the scale designed by the american society of heating refrigerating and air conditioning engineers ashrae to rate the effectiveness of air filters. The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. Basically the higher merv rating indicates higher filtering performance.

The merv rating system helps you choose the filter right for you with each rating dictating the effectiveness of a filter. By installing an air filter with a high merv rating two things happen. But does that mean you should just get the air filter with the highest merv rating. 1 4 merv this is the lowest end of filters.

The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings. So the higher merv rating the higher its performance. Due to the dusty air in our area. If we were looking to buy a new filter today for our hvac heating ventilation and air conditioning system we d aim for a medium efficiency filter with a merv rating in the 8 to 13 range.

The most recommended merv ratings for residential filters are. The smaller pores in more highly rated air filters create resistance to air. Using an air filter with a merv rating higher than what your furnace or air conditioner manufacturer recommends can actually impair its performance. When selecting the right filter for your application higher is not always better.

The merv rating system is intended to be used to determine the filter s ability to remove particulates from the air. The merv filter rating is the domestic and international industry standard rating system established by the american society of heating refrigerating and air conditioning engineers. Merv filter ratings and efficiency.