In 1971, Dave McLaren opened Climate Control Systems as a professional heating, air conditioning and ventilation service provider. Originally servicing Park Forest, the company grew as its reputation for being honest, reliable and knowledgeable spread through the surrounding neighborhoods. Dave went out on the service calls while his wife, Willa answered the phones and made the appointments. As the years went by, their son Gary grew up in the family business, learning the trade from his father and several other skilled technicians along the way. Together they developed one of the most reputable HVAC service providers in the South Chicagoland Area.

When Dave was ready to retire, Gary took over the company and relocated to Frankfort continuing its legacy of honest, reliable, knowledgeable workmanship. He increased the service standards and education for the technicians, making Climate Control Systems a household name and a recommendation your neighbors are happy to give. For many years the company motto was "We did your father's house." Perhaps we have done yours.  After 50 years, we have taken care of many generations of customers and they continue to trust us to take care of their needs.

Reliable & Honest HVAC Technicians

      “Had a service inspection on heating and cooling system and certification for sale of a residence. The service tech was prompt and knowledgeable. Checked the entire system inside and out and also checked my wall furnace. Spent extra time to make sure all is working correctly. I have been very satisfied each time we call for service.”

      Craig I.
    Contact Us Today Call Us at (815) 849-8893 or fill out the form below to get started.
    • Please enter your first name.
    • Please enter your last name.
    • Please enter your phone number.
      This isn't a valid phone number.
    • Please enter your email address.
      This isn't a valid email address.
    • Please enter your address.
    • Please make a selection.
    • Please enter a message.