Hartwig Plumbing & Heating took home a System Showcase Award by keeping a radiant system as simple as possible.
Hartwig Plumbing & Heating, Harvard, Ill., took home a System Showcase Award by keeping a radiant system as simple as possible.
"Sometimes these types of jobs can get overengineered to the point that contractors don't understand what they're putting in," says Chad Hartwig, the third-generation family member to work for the business, started in the 1940s. "I like to understand everything and be able to answer any questions owners might have about the job."