![]() Keith Havener |
Office: Sioux City, IA Years With Dennis Supply: 14 Lines Responsible For: Keith offers service and troubleshooting support for the Nortek, Allied, Mitsubishi and Bosch product lines. Other responsibilities are service training, warranty support and OEM parts inventory management. Keith is a NATE certified Nortek Service Adviser and Mitsubishi Diamond Service Group technical adviser. |