You should clean your air ducts every three to five years, but the specifics depend on your home.

Your air ducts and vents require regular maintenance. Ignoring tasks like replacing your filter each month can invite pollutants into your home's ventilation system. Viruses, bacteria and fungi can ...

As HVAC ductwork ages, it is subject to surface moisture, corrosion and leaks that not only reduce the HVAC system’s efficiency but often damage the building’s infrastructure and furnishings. In ...