Same-Day HVAC Service from Chicagoland’s Best Technicians

Get Chicagoland’s best-trained service technicians to your building the same day you call.

Trust GHC To Get It Done Right

When your commercial HVAC system fails, you need experienced techs you can depend on to solve your problems – fast. With GHC, you get the most skilled service and best HVAC technicians in Chicagoland who can get you back up and running quickly and with minimal disruption.

Commercial & Industrial HVAC Services

GHC provides service to Chicagoland commercial and industrial facility and property managers of buildings at least 10k square feet.

Emergency Repair

Preventative Maintenance

Indoor Air Quality

Energy Optimization

Installation & Replacement

Design Build Retrofit

Building Automation Controls

Multi-Family Service

The GHC Difference

When we say we have the best-trained techs in the area, we’re not kidding. Here’s why you can trust GHC.

  • All our union-trained technicians continuously receive additional training in complex systems such as chillers, hydronic systems, and VRF systems
  • Every GHC technician follows our 14-point process and is equipped with the latest in digital diagnostic tools, which they use to rapidly generate data to more quickly solve your problems.
  • On average we successfully complete more than 10,000 service calls in the Chicagoland area per year.
  • Our core team of union-trained journeymen and service technicians have an average tenure of 14.1 years working with us.
Best HVAC Technicians in Chicagoland - GHC Mechanical

St. Michael’s Cuts HVAC Expenses by $7,500 Per Year

Learn why more customers trust GHC

Let us know how we can help with the best HVAC technicians in Chicagoland. That’s the GHC difference!