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HEPA Filtration Works To Purify All The Air Inside Your Home — No Matter What’s Lurking There

Posted on: September 8th, 2012 by Jason Connell

hepa filtration arlington fort worth texasKeeping inside air in and outside air out is a basic tenet of today’s energy-efficient home. The drawback of air-tight construction, however, is that lots of stuff you’d rather not breathe accumulates in your household air and even multiplies. Airborne contaminants like mold spores and pollen, bacteria, viruses, chemical fumes and odors can degrade indoor air quality. Halfway measures such as portable room air cleaners often produce marginal results — indoor pollution travels anywhere the air goes and can’t be contained to a single room.

A whole-house solution with HEPA filtration is the best option. HEPA filters are the standard in hospitals and medical facilities, and they are known for removing 99.7 percent of unhealthy air particulates. Here’s how the system works to safeguard your indoor air quality:

  • A whole-house HEPA filter treats interior air as it circulates through your ductwork. Installed in a loop of ductwork connected to your return air duct, the whole-house filter draws up to 60 percent of the air out of the duct, diverts it through the HEPA filter array, then returns it to the duct. In this way, the entire air volume of your home is filtered as many as 48 times a day.
  • The filter array in a whole-house unit consists of three filters. A conventional pre-filter removes the largest particles, mostly inorganic dust. A carbon air filter following the pre-filter extracts odors and chemical fumes. The final filtration stage incorporates the HEPA-grade filter.
  • Whole-house HEPA filtration units offer MERV (minimum efficiency reporting value) ratings above 17, sufficient to remove particles down to 0.3 micron size. This removes virtually all airborne contaminants such as dust, bacteria, pollen and mold spores.
  • Because the whole-house HEPA filtration unit incorporates its own blower fan, airflow through the ducts and filter array can be maintained even when the main A/C or furnace fan cuts out. This allows for sustained circulation and filtration around the clock.

AirRite Air Conditioning has been looking out for the indoor air quality of Ft. Worth/Arlington residents since 1955. Contact us for more information about clearing the air with whole-house HEPA filtration.

Our goal is to help educate our customers in the Fort Worth and Arlington, Texas area about energy and home comfort issues (specific to HVAC systems).  For more information about HEPA filtration and other HVAC topics, download our free Home Comfort Resource guide.

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