Seen below is the Aluminum Box under construction for the H1 Duct Cleaning Truck. The plastic sticker will be peeled off before powder coating:Date Taken: March 11th 2014The H1 Duct Truck aluminum box under construction, seen from the rear view (image below). The open space will be the back doors wh ...

The first H1 Duct Truck ever made, this was the beginning of the revolutionary new Duct Truck design by Hypervac Technologies that forever changed the way Duct Trucks were made. On this first model of the H1, Hypervac got rid of the PTO drive system, added light weight aluminum construction, created ...