When people purchase a home their primary concern is size, number of bedrooms, baths and back yard size. Concerns about the HVAC system, the heating/cooling unit, are seldom brought into the decisoin, Yet, this unit and associated returns, supplies and duct work, can make your home a dream home or living nightmare. Today, in most areas of the country it is now required to have a blower door test to determine if your home is postitive or negative when the HVAC system is operational. If the test shows the house to be positive, meaning that air is being pushed against the interior of the house and keeps the home from any infilatraion from the outside. Obviously, the opposite occurs when the tests show the house to be negative. Under these conditions the house will actually suck in any fine particles through any passage way between the interior and exterior of the home. This means more dust and allergens as well as bringing in more moist hot air in the summer and cold dry air in the winter which make the HVAC system run longer and work harder and crate higher energy bills.
Sizing of the HVAC system should be done by professionals and higer Seer rated systems are must more efficient over the long haul. You may want to have a blower door test done on your home if it is 10 years or older. if the house is negative is it possible to make some modifications to the returns and supply runs to adjust for this issue. Using the correct size and rated filter for your home and system is also critical. The more efficient air filters may work better at removing airborne particulate but if they are too restrictive they can reduce the air flow through your HVAC unit and crate negative pressure in your home. In any case, keeping your home pressurized is the positive way to go.
For information on the Pure Air Systems line of HEPA and Carbon air filter systems pleae go to our website at: http://www.pureairsystems.com or call us anytime 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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