Since the 1940's, Sperling Heating & Ventilating Co. Inc. is a provider of sheet metal and heating, ventilation and air conditioning (HVAC) needs for commercial, schools, governmental and health care facilities in the northwest Ohio and southeast Michigan areas. Its client list includes Adrian Mechanical, L. R. Babcock, Bayes, Inc., Bennett Enterprises, Cooper Tire and Rubber Co, Dimech...