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King HVAC Systems

King HVAC Systems has more than 40 years of experience addressing the heating and cooling needs of Chicago and Indiana residents and businesses. We service systems in south side Chicago, the south suburbs and parts of northwest Indiana. Integrity and hard work have allowed us to consistently pursue our mission of developing positive relationships with our customers.

Service Calls

We provide appointments for diagnostics, estimates, repairs, maintenance and installations. You can call King HVAC Systems or schedule your service online. As a Comfort 24-7 provider, we are also committed to helping our customers quickly and efficiently in emergency situations. Don't hesitate to contact us if your system has failed during severe weather. Our fleet is ready to move, fully stocked and prepared for a variety of service needs.

Residential HVAC Service

We can handle a comprehensive range of heating and cooling needs. Our heating and air conditioning company is staffed with certified technicians who can quickly pinpoint problems and provide solutions. Some common concerns and calls include:

  • Problems with home comfort and temperature levels
  • Short cycling of furnaces
  • Excessive air conditioner cycling
  • Frozen coils
  • High energy bills during summer and winter HVAC operation
  • Problem spots that don't heat or cool adequately

King HVAC Systems recommends preventive maintenance plans for keeping your home comfort system optimized. Simple adjustments allow you to achieve better efficiency levels and lower operating costs.

Commercial HVAC

We also provide comprehensive commercial services. Contact us for an estimate or bid for new and replacement equipment. We also provide maintenance and repairs for ventilation, heating and cooling equipment for your facility.

Carrier Factory Authorized Dealer

King HVAC Systems is proud to be a Carrier Factory Authorized Dealer. We have demonstrated professional expertise and a commitment to customer satisfaction that is central to Carrier values. HVAC contractors who earn this designation have participated in special training and certification programs to ensure that we use the latest technologies and methods in our service.

Our company has also earned the Carrier President's Award twice. We are proud to represent the brand with expert service. You can always count on a job done right.


Don't Take Our Word For It! Here's What Our Customers Are Saying

  • King HVAC Systems
    Very satisfied.
    - Henry J, Orland Park IL
  • King HVAC Systems
    My overall experience was very pleasant.
    - Dorothy L, Midlothian IL
  • King HVAC Systems
    King HVAC, 10 out of 10 for overall service, I was very pleased with Jim and Mario's service.
    - Bud C, Markham IL
  • King HVAC Systems
    Mario, Mike and Ralph were all great. Excellent service!
    - Jim A, Oak Forest IL
  • King HVAC Systems
    King HVAC, 10 out of 10 for overall service.
    - Mancari, Oak Brook IL


President's Award Better Business Bureau


NATE Certified Puron