Most home owners have a minimal amount of knowledge about heating/cooling systems, but one thing they do know is that the unit requires an air filter. Some home owners have enough experience to know that not changing the air filter can create problems for their air handler efficiency. Those that have severe allergies, asthma or other respiratory issues usually have significant knowledge about air filters and their efficiencies.
Over the past twenty years air filter technology and air filter materials have been significantly improved; especially those filters designed for the residential markets. Many of the newer air filters fit tighter, have more dust holding capacity and lower pressure drops or resistance. This usually means less dust in the house and less dirt and dust accumulating on the air handlers fan and cooling coil components.
As a result, many home owners often believe that general maintenance on the air handler fan and coil sections can be limited to only once every one to two years. This is certainly not true. Even with the best air filtration systems the cooling coils and air handler fan will eventually get dirty. And, keeping the cooling coils clean is important for cooling or air conditioning efficiency.
During the year as the HVAC system shifts from heating to cooling and back again, small amounts of moisture will develop in the duct work and small, sub-micron particles will attach to this water vapor and be deposited on the cooling coils and air handler fan blades. If this material is not removed from these surfaces it can actually cause the fan blade to get out of balance and create bearing problems or put enough of a dust coating on the cooling coils and you will reduce the efficiency of your cooling system and provide a home for mold to grow.
Most heating/cooling contractors offer a maintenance program that includes “tune ups” in both the heating and cooling seasons. If you run your systems 8 to 12 months out of the year, then you should have your HVAC system serviced at least once a year or during both seasons. In addition, you should be changing your air filter at least four times a year or once every three months. This ensures the least amount of dirt build up on the air handler components between servicing.
Pure Air Systems has been providing HEPA, Carbon and air filter media systems for the residential and commercial markets since 1985. Using a commercial grade HEPA system or one of their BioPanel air media filters in your HVAC unit will reduce the level of harmful airborne particulate while maintaining a much cleaner heating/cooling system.
For more information on Pure Air Systems and their complete line of air filtration products please go to our website at: www.pureairsystems.com
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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