This process can embody your system’s provide and return ducts, registers, and grills, in addition to some of your diffusers, heating and cooling coils, followers, and more. The price to clean your air ducts could range relying on the size of your home, any present issues with the ductwork, and what number of vents you've. In the case of the latter, you would possibly want to spend cash on air duct cleaning extra usually to forestall allergic reactions.