Comprehensive assessments and solutions for optimal air quality

Ensure a Healthy Environment with GHC’s Indoor Air Quality Services

Maximize the Comfort and Health of Your Building’s Employees and Occupants  

The quality of the air inside your building is directly tied to the health and well-being of everyone who occupies it. However, many buildings are not designed or operated with a focus on improving indoor air quality.  

At GHC, we understand the importance of maintaining optimal indoor air quality (IAQ) and have the training and experience to measure the air quality and make recommendations based on the customer’s needs.  

Don’t wait until poor air quality affects the health of the people in your building; let GHC give you the peace of mind that the air in your building is clean and healthy.  

Schedule an Appointment

Benefits of Indoor Air Quality Services from GHC

GHC provides indoor air quality services to Chicagoland commercial and industrial facility and property managers of buildings at least 10k square feet. 

  • Improve health, well-being, and comfort 

  • Increase equipment lifespan & performance

  • Decrease employee complaints

  • Enhance productivity & reduce tenant turnover

What Makes GHC the Most Dependable in the Business?

  • Expertise you can trust: The current GHC Union Trained Technicians have worked here for over 14 years on average.
  • MSCA Star Qualified: Exceeding stringent testing requirements through Local 597, we are proud to be among the best trained companies in Illinois.
  • Advanced diagnostic tools: Every GHC tech follows our 14-point inspection process and uses the latest diagnostic tools to quickly solve problems.
  • Proven track record: GHC has been an industry leader for over 50 years, over 10,000 successful service calls last year.
  • An industry-leading number of call-backs (0.06% of all service calls were call-backs).
GHC Technicians Working on Outside HVAC Unit

GHC improved our building’s air quality and eliminated persistent cooking odors from a neighboring unit. Their IAQ audit and filtration changes made a huge difference. Complaints have stopped, and our employees are much happier. Highly recommend!

Roger S, General Manager


7 years

All journeymen have at least 7 years of experience


10,000 service calls

More than 10k successful service calls in 2023


14-point process

Every tech follows our 14- point process

See Why More Customers Trust GHC

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