Custom Service Heating & Cooling Inc has been performing first class, quality work for the West Chicago-land area for nearly two decades. With over 32 years of experience, owner and field specialist Robert Downs offers quality HVAC work with honest personal service attention for his customers. Owner operated, Custom Service Heating & Cooling Inc is a heating and air conditioning company that lends expert knowledge in all HVAC makes and models and offers custom specialty service repair and maintenance programs. For 24 hour service, please call (630) 231-5660.