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Air Duct Cleaning FAQs

Q: Are there any health benefits that come from HVAC system cleaning?

Heating, ventilation, and air conditioning (HVAC) systems have been shown to act as a collection source for a variety of contaminants (mold, fungi, bacteria, dust, etc.) that have the potential to affect health.  The removal of such contaminants from the HVAC system will help to improve the indoor air quality of a home.

Q: How often should residential HVAC systems be cleaned?

Frequency of cleaning depends upon several factors, not the least of which is the preference of the homeowner.  Some of the things that may lead a homeowner to consider more frequent cleaning include:

  • Smokers in the household
  • Pets that shed high of amounts of hair and dander
  • Water contamination or damage to the home or HVAC system
  • Residents with allergies or asthma
  • After home renovations or remodeling
  • Prior to the occupancy of a new home

Q: What are the benefits of choosing a NADCA (National Air Duct Cleaners Association) Member to clean an HVAC system?

NADCA Members have signed a Code of Ethics stating they will do everything possible to protect the consumer, and follow NADCA Standards for cleaning to the best of their ability.  Air duct cleaning companies must meet stringent requirements to become a NADCA Member.  Among those requirements, all NADCA Members must have certified Air System Cleaning Specialists (ASCS) on staff, which have taken and passed the NADCA Certification Examination.  Passing the exam demonstrates extensive knowledge in HVAC design and cleaning methodologies.  ASCS’s are also required to further their industry education by attending seminars in order to maintain their NADCA certification status.

Q: Can Crystal Clean Duct Service provide a means to conduct a visual inspection at any time during the cleaning?

Yes. We have a video camera that we can run through the ductwork and would be happy to provide before and after footage of the system.

Q: If there is mold or other biological contamination found in the system, can Crystal Clean Duct Service remove it?

Yes, we have a certified Ventilation System Mold Remediator (VSMR) on staff that would be on site to supervise removal of any mold or biological contaminant found in the system.

Our team at Crystal Clean Duct Service is ready to help you today! Give us a call at 571.364.6588 or email us at We look forward to serving you!

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