​​HVAC stands for Heating, Ventilation, and Air Conditioning. HVAC cleaning is the process of using specialized tools to remove dirt, debris, and contaminants from the various components that make up a building’s HVAC system, either in a residential (home) or commercial (business) setting. ​Because your HVAC system is responsible for temperature regulation and air distribution within your home, it's cleanliness has a direct impact on the quality of the indoor air you breathe.