What is a MERV Rating?
MERV, which stands for Minimum Efficiency Reporting Value, is a rating that was developed by ASHRAE (the American Society of Heating, Refrigerating, and Air-Conditioning Engineers) used to assess the filtering power of a furnace filter/air cleaner.
The MERV scale consists of ratings from 1 to 16, with filter performance being greater as the number increases. On the MERV scale, dirt particles are graded from 0.3 microns to 10 microns. A micron is 1 millionth of a millimeter, and to give you an idea of just how small that is, you can look at the size of a single human hair. The average strand of human hair is about 100 microns thick, so imagine just how small 0.3 microns of dirt is!
Why is MERV Rating Important?
When you’re purchasing an air conditioner or furnace filter for your home, you want to be sure that you are buying a filter that will keep the air in your home clean. While all Aprilaire air cleaners will provide you with the filtering efficiency needed to improve the air quality of your home, depending on the particular needs of your family, you may require a filter that has a higher MERV rating, like the Aprilaire Model 5000 Electronic Air Cleaner.
Cases in which this is likely are those when you or someone in your home suffers from allergies, respiratory problems, or other similar incidences. Then again, you may just want to get the best filter for your family so that the indoor air quality around your home is the best it can be.
With Aprilaire AIr Cleaners, it's Garbage in, NO Garbage out!
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