Carl's Season Control, in Chillicothe, Illinois, is the area's leading heating and cooling specialist serving Chillicothe, Rome, Mossville, Dunlap and surrounding areas since 1985. We specialize in heating, cooling, furnaces, boilers, air conditioning, humidifiers and more. For all your heating and cooling needs, contact Carl's Season Control in Chillicothe. For after hours and weekend emergencies, call (309) 323-4602. Don't forget to have your annual air conditioner checkup also. These checkups are best done when temperature reaches 70 degrees or higher and can be done til temperature drops below 70 degrees in the fall. So please call our office if you would like an air conditioner checkup this summer.