186 Sherman Ave, 07922 (908) 838-0008 Mon - Fri 9am - 6pm Sat - 9am - 3pm Cash, check The ductwork in your Heating, Ventilation, and Air-Conditioning Systems can easily attract a whole variety of nasty contaminants that can seriously jeopardize the health and well-being of your family and loved ones. From the normal accumulation of dust particles and pet dander that can lead to allergies to the potential from growth of mold, mildew, and other fungi that can lead to all sort of other negative health issues, your ductwork can quickly become a breeding ground for all sorts of harmful substances that may be toxic, noxious, or even deadly.