HVAC service and maintenance. Colwill Engineering, Inc. is looking for a highly motivated HVAC Sheet Metal Duct Mechanic..., confined spaces and other large passages Installation of commercial sheet metal duct systems using a variety of equipment...
and other large passages. Installation of commercial sheet metal duct systems using a variety of equipment. Installing various types... of metal duct, including (round, spiral, rectangular). Fasten joints and seams in sheet metal with solder, welds, caulk, bolts...