Some home warranty companies do cover air duct cleaning. Here are some things you should know about cleaning to protect yourself and your home.

The cost to replace air ducts varies depending on the size of your home, the type of air duct and whether you need any additional services, like insulation replacement or mold removal.

Typically a quality air duct cleaning costs about $300 and takes two to four hours to complete,” said Angie Hicks, founder of Angie’s List.

Cleaning furnace and air-conditioning ducts has become a routine home maintenance practice for many homeowners. Duct cleaning is relatively inexpensive, and the health benefits are numerous, as ...

Typically a quality air duct cleaning costs about $300 and takes two to four hours to complete," said Angie Hicks, founder of Angie's List.