There was an article on the Laconia Citizen a few months ago about a company doing heating duct cleaning. I clipped it out at the time, as I thought I might need to have mine done at some point. The owner's name is Mark Dadian and he has operated Hydro-Pro Power Wash for 8 years. He has recently added “Abundant Air Duct Cleaning” as a new service he is offering. His business is located at 708 Union Avenue in Laconia (Phone 866-527-0077). He has a website:
www.hydropropw.com I don’t know anything about him or the company – only what I read in the paper.