1.- Replace air filter with standard 1" filter or clean
2.- Inspect for combustible material around furnace
3.- Thermostat - test for proper operation
4.- Ignition system - test for safe & proper operation
5.- Check for proper exhaust venting
6.- Test Safety & Control Circuits
7.- Clean and inspect burners
8.- Inspect heat exchanger and clean if necessary
9.- Clean flame sensor or pilot

10-. Test capacitors
11.- Measure and adjust gas pressure
12.- Check for natural gas leaks
13.- Inspect combustion air vents
14.- Electrical wiring - inspect and tighten connections
15.- Blower motor - check amps and blower wheel
16.- Measure supply/return temperature differential
17.- Test for carbon monoxide around furnace & from air stream
18.- Check smoke detector & carbon monoxide detector operation

Work with Our HVAC Contractor In Chicago, IL

Keep Your Company's HVAC System Working Smoothly

As you work at your desk, beads of sweat drip off your face-the AC is down at your office. Or maybe you find yourself shivering because of a broken heater. Either way, turn to the professionals at Giant HVAC, Inc.

We're an HVAC contractor in Chicago, IL that'll make sure the temperature at your office gets back to normal. As a commercial HVAC contractor, we can handle any issue in your building. You can trust our team with your HVAC needs.

Call 773-539-9629 to work with our reputable HVAC contractor today.

Check out our maintenance services

When you haven't experienced an issue with your HVAC unit for a while, it can be difficult to understand the value of regular maintenance. But it comes with numerous benefits. Consider getting our maintenance services because:

  • It'll improve your home's energy efficiency
  • It can help regulate your home's temperature
  • It'll save you bundles on repairs and replacements

We're confident that you'll appreciate the financial and practical benefits of our maintenance services.

Trust us for your HVAC needs

If you need HVAC services, go with a reputable contractor. You'll appreciate working with us because:

  • We have over three decades of experience
  • We're a family owned and operated business
  • We can work at both commercial and residential properties
  • We're licensed and insured HVAC contractors

Our team will provide you with excellent customer service and quality results. Get a hold of us now to learn more about our commercial HVAC contractor in Chicago, IL.

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100% Satisfaction Guarantee
If you are not completely satisfied with our repair or service we will promptly address your needs or refund your service call fee.