The answer to 'duct cleaning installation cost' is that the cost can vary significantly depending on several factors. Duct cleaning is typically done as a service, and the installation cost will depend on the size and complexity of your home's ductwork, the accessibility of the ducts, and the specific services required.
In general, you can expect duct cleaning installation costs to range from a few hundred dollars for a small home up to $1,000 or more for a larger, more complex system. The price may also be affected by the company you hire, their experience, and the equipment and methods they use. It's important to get multiple quotes from local HVAC companies to compare pricing and services.