Comfort First Heating and Cooling, Inc. Channahon, IL (815) 642-5800 is a residential heating and cooling company that provides excellent heating and air conditioning repairs, service, and installations at affordable prices. We provide free estimates, free second opinions, and a breakdown guarantee*. No extra charge for nights or weekends. We service a 20 mile radius from Joliet, IL. Comfort First Heating and Cooling, Inc is your family owned local business. We provide all our customers with outstanding service, everyday! "BBB has determined that Comfort First Heating and Cooling Inc. meets BBB accreditation standards." You can find us on Angie's List and HomeAdvisor.