J&A Waterville Oil Service is a full-service heating oil delivery and HVAC company located in Naugatuck, CT. Established in 1953, family-owned J&A is in its third generation of serving the home energy needs of the Waterbury, CT, area. Services include complete HVAC maintenance, residential boiler, oil fired furnace, and central air conditioner service, along with competitive local fuel oil prices and heating oil delivery to Connecticut towns such as Naugatuck, Bethany, Oxford, and Ansonia.