Thank You for Contacting Us

Expect a call from our dispatcher to schedule a visit from our technician as soon as possible.

If you have not been contacted within 10 minutes, please call 815-338-1936 for assistance with your emergency request.

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 Technicians Working on Outside HVAC Unit


7 years

All journeymen have at least 7 years of experience


10,000 service calls

More than 10k successful service calls last year


10-point process

Every tech follows our 10-point process