Air filters are a vital part of our home’s indoor air quality and how well our HVAC system functions. Over the last decade, the technology behind air filters have improved and homeowners have several options to choose from. Now, everyone knows (or should know) that air filters are supposed to be changed at least every 1 to 3 months; the more your system runs, the more frequent you may have to change it. However, when it is time to change your air filter, what is the best type of filter that you should use? To answer that, we will discuss the available air filter options on the market and how they are “graded”.
MERV stands for Minimum Efficiency Reporting Value and are the grading system of air filters. Air filters are typically given a MERV rating or number between 1 and 16. The higher the number, the more airborne particles the air filer is able to trap. Higher MERV rated filters are capable of trapping smaller airborne particles including bacteria and allergens, while lower rated filters only trap larger airborne particles like dust and pet hair. MERV ratings are applied to most types of air filters available for purchase in retail stores.
Types of Air Filters Available
Last modified on March 27th, 2020 at 7:36 pm
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