Why the Ducted Heating and cooling ducts needs to be cleaned?
Practices, humid conditions, and many other factors will result in heavily contaminated systems. Common contaminants include dust particles, lively bacterial or fungal development, and debris from rusted system components, man-made vitreous fibers, mold spores, and other items. Very few ducted systems are free of all particulate since installed. After the ducted system starts working, the particulate build-up process continues throughout the life of the system.