Air Cleaners, Air Conditioning, Metalworking Machines, Van Drunen Heating & Air Conditioning has Provided Customers in South Cook County and Northwest Indiana with 50 Years of Quality, Reliable Service. for a No Obligation Estimate, Please Today; Contractors; Maintenance and Repair Services; Provider of services for air conditioners, heating, indoor air quality and ductless system needs. Capabilities include the installation and repairs of air conditioners, boilers, furnaces, water heaters, air cleaners and humidifiers ...