A. Tech Mechanical’s Charlie Sarkis won the VIP Installation Showcase 

Charlie Sarkisof A. Tech Mechanical in Welland, Ont., Canada, won the Lochinvar VIP Installation Showcase; and Andrew Vander Zwaag of Macatawa Radiant in Zeeland, Mich., won the monthly drawing. Sarkis’ entry (pictured) described an installation at a 10,000-sq.-ft. home in Saint Catharines, Ont. He and his team selected two KNIGHT Heating Boilers with inputs of 150,000 Btu/hr. for the job, which included five zones of radiant floor heating and two high-velocity air handlers.