Our sister company, Zonatherm Products, Inc., is the exclusive authorized distributor in this area for the sale of Liebert thermal management products and Generac commercial and industrial power systems. ThermFlo's primary business is service. Our Service Division's technicians work on all brands of HVAC units and generators, and we are proud to be the exclusive factory-authorized service representative for Liebert thermal management products and Generac commercial and industrial power systems in Chicago, Northern Illinois and Northwest Indiana. Our Projects Division is a "concept to completion" resource for engineering, design and installation. We will partner with you from the inception of a project all the way through final construction for both Electrical and HVAC equipment.