Frequently Asked Questions

YES

• Regular cleaning can improve indoor air quality
• Can get rid of mold, bacteria, dust, and odor

YES

• A clean system runs more efficiently
• Can prevent the system from breaking down

• By the use of a specialized, powerful vacuum that hooks up to the system to create negative pressure
• The vacuum draws air through the system
• Devices are inserted into ducts to dislodge debris
• The debris then travels down the ducts into the vacuum

• Typically, every five years
• Should be more frequent if there are
  • Smokers in the home
  • Pets that shed high amounts of hair and dander
  • Water contamination
  • Damage to home or HVAC system
  • If you have allergies
  • After any home renovation
  • Prior to occupancy of a new home

• $450.00–$1,200.00 per heating and cooling system
• Price varies depending on the size of the system, accessibility, level of contamination, and type of duct material

• BE aware of “blow-and-go” companies
• They often charge a nominal fee and do a poor job
• May employ the “bait-and-switch” technique by persuading the consumer into unneeded services

The best HVAC system cleaners have all of the following qualifications:

• Should be a member and be certified by the National Air Duct Cleaners Association (NADCA)
• Have been in business long enough to have adequate experience
• Have an A+ with the Better Business Bureau (BBB)
• Properly licensed, insured, and bonded
• Recommend cleaning ALL the air ducts and equipment
• Not advertising “$99 whole house specials”
• Has proper equipment such as a power vacuum truck

The best HVAC system cleaners have all of the following qualifications:

• Members have signed a Code of Ethics
• Must follow stringent requirements to become a NADCA Member
• Members must have certified Air System Cleaning Specialists (ASCS) on staff
• All members must take and pass the NADCA Certification Examination