Sun Mechanical Systems is a full-service design/build HVAC firm servicing the Chicagoland expanded region, as well as selected national sites since 2005. Located in St. Charles, Illinois our headquarters holds office and warehouse space allowing our team to combine the use of technology with readily available equipment to bring you the best in HVAC system servicing.

Building Supplies

Engineering

Real Estate

Property Maintenance

Sun Mechanical Systems

Edward Niemiec

Chris Niemiec

Todd Danner

Jennifer Niemiec

Michael Baron

Jerry Puyot

Matt Molinets

Executive Management

Leadership Team

Teams at Sun Mechanical Systems

Executive Management

Leadership Team