Air Conditioning Filters Merv Rating

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.

Air conditioning filters merv rating.

When selecting the right filter for your application higher is not always better. Merv filter ratings and efficiency. Basically the higher merv rating indicates higher filtering performance. The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants.

So the higher merv rating the higher its performance. The smaller pores in more highly rated air filters create resistance to air. In other words merv ratings indicate an air filter s ability to remove pollutants from the air. A low merv rating means that the filter does not remove as many particulates from the air.

The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings. But does that mean you should just get the air filter with the highest merv rating. The most recommended merv ratings for residential filters are. 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.

First and foremost your air becomes cleaner which can help improve the longevity of your hvac system. 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. 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. 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. 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. However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria. 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.

The american society of heating refrigeration and air conditioner engineers ashare recommends a merv 6 or. 1 4 merv this is the lowest end of filters. Due to the dusty air in our area.