Air Duct Cleaning FAQ
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 dirty systems.
How should a residential HVAC system be cleaned?
The most effective way to clean air ducts and ventilation systems is to employ Source Removal methods of cleaning. This requires a contractor to place the system under negative air pressure, through the use of a specialized, powerful vacuum. While the vacuum draws air through the system, devices are inserted into the ductwork to dislodge any debris that might be stuck to interior surfaces. The debris can then travel down the ducts to the vacuum, which removes it from the system and the home.
How often should residential HVAC systems be cleaned?
Frequency of cleaning depends on several factors, not the least of which is the preference of the home owner. Some of the things that may lead a home owner to consider more frequent cleaning include: Pets that shed high amounts of hair and dander, Water contamination or damage to the home or HVAC system, Residents with allergies or asthma who might benefit from a reduction in the amount of indoor air pollutants in the home’s HVAC system, smokers in the household, and other miscellaneous factors.
How long should it take to clean a typical residential HVAC system?
There are a variety of factors that could affect the time needed to clean a residential HVAC system, including the type of home, accessibility to the ductwork, and the number of workers on the project. A typical three or four bedroom home will require 3 to 5 hours for cleaning.