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HSG is a commercial full-service mechanical provider that specializes in design/build solutions. Many of our customers look to us for engineered, turnkey solutions to their refrigeration & HVAC needs. Our leadership team at HSG has over 50 years of hand-on technical service experience with 25 years of design-build project management by a mechanical engineer. All of our technicians are U.A. fully commercial plumber/pipefitter craftsmen. We offer our customers outstanding, honest, dependable results. We are a Mitsubishi Diamond-Star VRF contractor which allows us to offer a 10-year parts warranty on VRF systems. This warranty includes labor for the first two years of the 10-year warranty period.
HSG is a licensed, Illinois plumbing contractor & a member of the Illinois Procurement Gateway for Small Businesses.
All technicians are medical-gas certified
All technicians are refrigeration certified
We work on both hot-water and steam boilers
We have two CCCDI’s for your backflow-preventer devices