Basically the higher merv rating indicates higher filtering performance.
Air conditioning filters merv rating.
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 other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings.
In other words merv ratings indicate an air filter s ability to remove pollutants from the air.
The merv rating system is intended to be used to determine the filter s ability to remove particulates from the air.
However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria.
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.
When selecting the right filter for your application higher is not always better.
A low merv rating means that the filter does not remove as many particulates from the air.
1 4 merv this is the lowest end of filters.
Merv filter ratings and efficiency.
The higher the merv rating the more efficient the filter and the more a filter can catch harmful pollutants.
Due to the dusty air in our area.
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.
So the higher merv rating the higher its performance.
But does that mean you should just get the air filter with the highest merv rating.
An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter.
The most recommended merv ratings for residential filters are.
Using an air filter with a merv rating higher than what your furnace or air conditioner manufacturer recommends can actually impair its performance.
The american society of heating refrigeration and air conditioner engineers ashare recommends a merv 6 or.
The merv rating system helps you choose the filter right for you with each rating dictating the effectiveness of a filter.
First and foremost your air becomes cleaner which can help improve the longevity of your hvac system.
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.
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.
