Chicago’s most affordable & reliable expert HVAC repair service for over 28 Years! Serving the entire area of Chicago and surrounding suburbs including northwest Indiana Since 1988. Our expert repair technicians repair all makes and models of major HVAC equipment. Comfort Zone repairs both commercial and residential HVAC equipment. Repair, maintenance and replacement Comfort Zone 15649 Heatherglen Drive Orland Park, IL 60467 Our Services: Air Conditioning Repair AC System Replacement Panasonic Ductless Air Conditioners Preventative Maintenance Furnace Repair Furnace Replacement Free Energy Audit HVAC Performance Check-up Duct Design & Repair Insulation & Weatherproofing 24/7 Emergency Repair Service