Whole Home Air Duct & Vent Cleaning During normal operation of your home’s HVAC system, dust and debris can accumulate in your air ductwork. This dust and debris can lead to microbial growth (mold, mildew, etc). North Mechanical Heating & Cooling offers professional whole home air duct and vent cleaning (dryer vents) using the ROTOBRUSH system. This system brushes and vacuums your ductwork. The service also includes an antimicrobial treatment. Call us today to receive a free quote for your home!