At 16:10 hours, Central dispatched fire box 1-2, a commercial building fire at the Perdue office on Old Ocean City Road, bringing Engine Tanker 6 as the 3rd due Engine. Engine Tanker 6 responded quickly with a crew of 3. Engine Tanker 6 arrived as the second due Engine, behind Salisbury Engine 1 and Truck 2. The crew was assigned to assist Engine 1 on the interior. Crews found the issue to be an HVAC unit on the roof. Rescue Engine 6 and Tanker 6 arrived and staged in the parking lot. The incident was quickly reduced and the units returned back to Parsonsburg