Dark discolorations in, on, and around air duct vents and grills may indicate the growth of harmful, unhealthy, unsanitary biofilm. It is caused by the growth of micro-organism colonies such as bacteria, mold, mildew, dust mites, pet dander, smoke deposits, and other pollutants that can be found inside your ducts and air handler. Air Duct Cleaning is a proactive solution to avoiding these problems
Amela Husidic — I recently had my AC installed and vents cleaned by north port. My service technician Nev was extremely attentive and knowledgeable