Same-Day HVAC Service from Chicagoland’s Best Technicians

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

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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 technicians in Chicagoland who can get you back up and running quickly and with minimal disruption.  

Commercial HVAC Services 

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

Customers rely on us for:  

Emergency Repair
HVAC Installations & Replacements
Preventative Maintenance
Indoor Air Quality
Energy Optimization
Design Build Retrofit
Building Automation
Multi-Family Service
ghc van passenger side

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

Download the Case Study

7 years 

All journeymen have at least 7 years of experience 

10,000 service calls 

More than 10,000 successful service calls in 2023 

14-point process 

Every technician follows our proven 14-point process  

Learn why more customers trust GHC 

Let us know how we can help.  

Schedule an Appointment