As the dinner hours were ending crews were sent to 501 Cetronia road for a structure fire. Chief, Asst Chief, Engine, and Tower made the responce with 9 with in 5 minutes from dispatch. Asst Chief Butler arrived first with normal conditions and advised all units to stage in the parking lot. The cause of the call was a dry wall heater inside the building. Crews went back to service 15 minutes later.