Meet the division specialists
 Darwin Bachman | Office: Des Moines, IA; Refrigeration/Mechanical Product Manager Years With Dennis Supply: 42 Lines Responsible For: Darwin assists dealers with a wide variety of needs including refrigeration and all areas of HVAC. On the commercial refrigeration side, he assists dealers with design and layout options. Much of Darwin's day deals with technical issues from a wide variety of products and applications. From compressors to rooftops, Darwin is a tremendous asset. |
 Mel Alexander | Office: Council Bluffs; Director of Hydronics/Geothermal Sales Years With Dennis Supply: 3 Lines Responsible For: Bosch and Century geothermal units and supplies. Lochinvar and Bell & Gossett boilers, pumps and supplies. Heatlink floor radiant heating products. Mel has 29 years of experience in the HVAC Industry specializing in geothermal / hydronics and many other specialty products. |
 Bill Gardner | Office: Des Moines, IA; Sales Manager Years With Dennis Supply: 4 Lines Responsible For: Supporting the sales efforts and customer support at all 13 of our locations. Bill is a graduate of Truman State University and has been involved in HVAC distribution for over 25 years. He is a NATE certified technician with a strong background in Hydronics, Geothermal, Ductless and Forced Air products.Throughout his Wholesale HVAC career his responsibilities have included outside sales, branch manager, purchasing, technical service advisor, product/technical training, and manufacturer’s representative. |
 Simon Knight | Office: Lincoln, NE; HVAC Product Manager Years With Dennis Supply: 8 Lines Responsible For: Allied Commercial, Airease, Ducane, Mitsubishi Simon has 17 years of HVAC industry Simon has 17 years of HVAC industry experience. Throughout his Wholesale career his responsibilities have included outside sales and branch manager.He specializes in HVAC but has been heavily involved with refrigeration, geothermal and IAQ products. |