Most people are familiar with the air filters that go into your HVAC system that look like folded or pleated paper media. These are normally refered to as mechanical filters because they use the mechanics of air velocity to impinge the airborne particulater onto the surface of the filter. Electronic air filters use positive – negative charging as their method of collecting these same particles. These electronic air cleaners use plates for wire grids to trap the particles but unlike mechanical filters, are less efficient than mechanical air filters as they allow for much of the particulate to pass by the collection grids without capture. For this reason mechancial air filters are the preferred method of dust collection.
Air filters perform two major functions in HVAC systems. One is to keep the dust from accumulating on the cooling coils in your air handler to ensure proper performance of you air conditioning system. The second is the removal of airborne particulate in the air to keep the indoor environment cleaner. These mechanical air filters come in different efficiencies from general duty up the high efficiency HEPA air filters.
The use of very high efficiency mechanical filters including HEPA sysems is now extremely important due to the need to remove airborne bacteria and viruses during this pandemic. Schools, office buildings, and all medical faciities are using mechanical air filters with higher efficiency ratings to contain the airbone contaminents as much as possible.
For more information on the complete line of HEPA and Carbon based air filtration systems please go to our website at: http://www.pureairsystems.com or call us on our toll-free number at: 800-869-8025.
About the Author: Don Musilli
My name is Don Musilli. I started Pure Air Systems in 1985 and then sold it in 2006. I continue to consult for PAS and write their blog and control their Twitter account. I also, on occasion, make changes to the website. The company is now almost 26 years old and has been a major player in offering commercial grade, high performance HEPA and Carbon based filtration systems for the commercial, institutional, industrial and residential markets.
I currently reside in Englewood, Florida where I write blogs and do social media marketing for a number of clients.
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