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.
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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.
Why Jensen’s
Join the thousands of satisfied customers who trust Jensen’s for reliable service.
Deep Service Expertise
- All of our union-trained technicians undergo continuous education, staying up-to-date on advanced systems like chillers, hydronics, and VRF technology.
- Every technician follows a thorough 10-point process and uses the latest digital diagnostic tools, allowing us to quickly collect data and solve issues faster.
- We successfully completed over 10,000 service calls last year.
- Our core team of union-trained journeymen and service techs has an average tenure of 7.1 years with us.

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!
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