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 pressure, through the use of a specialized, powerful vacuum. While the vacuum draws air through the system, devices are inserted into the ducts 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.
Are there any health benefits that come from HVAC system cleaning?
- Yes. Heating, ventilation, and air conditioning (HVAC) systems have been shown to collect a variety of contaminants such as mold, fungi, bacteria and very small particles of dust that have the potential to affect overall health, The removal of such contaminants from the HVAC system and home should be considered one component in an overall plan to improve indoor air quality.
Must the ducts be cleaned before sealing?
- The atomized aerosol particles flow through normal duct hubris to the source of the air leak. Duct cleaning is not found to be required prior to sealing.