Your HVAC system circulates air through your ductwork thousands of times a day. Over time, dust, allergens, pet dander, mold spores, and other contaminants build up inside those ducts — and every time your system cycles, it pushes that buildup right back into your living spaces. Professional air duct cleaning removes these contaminants and improves both your air quality and your system's performance. Improved Indoor Air Quality The EPA estimates that indoor air can be 2–5 tim