Duct & Vent Cleaning of America, Inc was hired by the mechanical contractor as a sub-contractor to facilitate renovations at the St Johnsbury School. Both the West, South and East Wings of the building required air duct cleaning. Working with the General Contractor and Mechanical Contractor we were responsible for following specifications and blue prints as depicted. We contact HEPA vacuumed all existing ductwork and contact cleaned all registers, grilles, and diffusers within the facility.