Improve your Indoor Air Quality Today!

fresh air

As the weather continues to cool down and allergy season hits its peak, homeowners may find themselves spending more time indoors. According to the National Air Duct Cleaners Association (NADCA), this gives an added importance to making sure that HVAC systems are properly cleaned and ready for the change in season.

NADCA, the HVAC Inspection Maintenance and Restoration Association suggests homeowners and building managers pay close attention to their air handling units and take the necessary steps to determine if a proper cleaning is in order.

“A dirty or contaminated air conveyance system will restrict air flow at the coil and blower, and also within the duct system,” said Bill Benito, ASCS, CVI, president of NADCA. “Your HVAC system should be inspected yearly and a complete system cleaning should be performed every 4-5 years.”

The frequency of cleaning may vary depending on certain factors; NADCA urges homeowners to consider the following:

  • Are there pets living in the home? Pet dander and hair can add to the amount of dust and dirt that accumulates in an HVAC system, restricting air flow.
  • Do any of the occupants of the home suffer from asthma or allergies? A proper cleaning of the air handling unit can improve indoor air quality and efficiency of the unit.
  • Is smoking permitted inside the home? If so, full-system cleanings may be required more frequently.

“When looking to hire a company or a contractor, it’s important to pick a reputable business whose technicians have gone through the NADCA certification process,” added Benito.

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Learn how to extend life of your air handler unit.

As your a/c equipment ages, it can become less efficient, detrimental to your indoor air quality and parts will wear to the point that you may be thinking of replacement.  As a tune-up will restore most of your cars’ performance, precision tune ups and remediation to the air handler components can restore lost performance, efficiency and improve IAQ. It’s important to consider an AC Scheduled Preventative Maintenance Plan.

Evaporator / Cooling Coils:
ADAflorida.comThe efficiency of the cooling coils can be directly attributed to the level of cleanliness and can be directly measured by the pressure drop over the coils.  NADCA, The National Air Duct Cleaners Association, recommends  yearly inspections of the air handling unit and “cleaning is highly recommended for heat exchange coils, cooling coils, air flow control devices, filtration devices and air handling equipment determined to have restrictions, blockages, or contamination deposits that may cause system performance inefficiencies, air flow degradation or that may significantly affect the design intent of the HVAC system” (ACR 2006, NADCA)


Condensate Pan / Drain:
ADAflorida.comMicrobial-like growth, dirt and debris can clog condensate pans if not properly maintained, causing overflow within the air handler.  This condition could cause microbial growth to occur within the air handler and ductwork.  The pitch of the drainage pan is also important in assisting the proper flow to the building exterior.

Blower Wheels:
ADAFlorida.comBlower wheels and fins can become heavily soiled and less efficient if not regularly maintained and cleaned.  A dirty condition can also result in poor air flow.  Care must be taken not to unbalance the blades when cleaning but efficiency can be substantially increased.

Insulation Liner:
ADAFlorida.comThe liner on the internal surfaces of the air handler unit provides insulation and sound dampening.  However, in this microbially vulnerable area of the HVAC system, the liner can fail much quicker than the other components.   If degraded and flaking, particles can enter the air stream and cross-contaminate into the occupied spaces.  Closed cell insulation can be installed to extend the equipment life and provide a non-porous insulation liner within the air handler.

Air Duct Aseptics provides fully certified HVAC systems cleaning and remediation services throughout Florida.  Servicing our clients since 1990, you can count on Air Duct Aseptics for professionalism and superior service.  Call toll free 888-707-7763.

Air Duct Aseptics (www.ADAflorida.com)