The best way to
protect yourself as a consumer is by knowing what to ask. The Frequently
Asked Questions and Post-Cleaning Consumer Check List will give you a good
understanding of the industry and the things to avoid when selecting an HVAC
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 that have the
potential to affect health, such as mold, fungi, bacteria, and very small
particles of dust. The removal of such contaminants from the HVAC system and
home should be considered as one component in an overall plan to improve
indoor air quality.
Will HVAC system cleaning reduce our home energy bills?
Research by the U.S. EPA has demonstrated that HVAC system cleaning may
allow systems to run more efficiently by removing debris from sensitive
mechanical components. Clean, efficient systems are less likely to break
down, have a longer life span, and generally operate more effectively than
What criteria should I use in selecting an HVAC system cleaner?
Interview as many local contractors as you can. Ask them to come to your
home and perform a system inspection and give you a quotation.
To narrow down your pool of potential contractors, use the following
- Make sure the company is a member
in good standing of the National Air Duct Cleaners Association (NADCA).
- Inquire whether the company is in
good standing with your local Better Business Bureau.
- Get proof that the company is
properly licensed and adequately insured.
- Verify that the company is
certified by NADCA to perform HVAC system cleaning.
- Make sure that the company is
going to clean and visually inspect all of the air ducts and related
- Avoid advertisements for "$99
whole house specials" and other sales gimmicks.
- Ask if the company has the right
equipment to effectively perform cleaning, and if the company has done
work in homes similar to yours. Get references from neighbors if possible.