Sen Plex Corporation is a renowned commercial contracting company based in Hawaii, specializing in HVAC, refrigeration, plumbing, and sheet metal services. Established in 1945 by Francis Sen as Oahu Plumbing and Sheet Metal, the company has evolved significantly, growing from a modest shop into one of Hawaiiâs largest and most respected commercial contractors. Over the past 65 years, Sen Plex has been involved in numerous significant projects across residential, commercial, and governmental sectors, including the Hawaii Convention Center, State Capitol, and Tripler Medical Center. The company, now in its third generation of family ownership, prides itself on its family atmosphere and company stability. Sen Plex offers a comprehensive range of services such as air conditioning repair and maintenance, design-build, custom sheet metal fabrication, and energy savings consultation. With fully staffed offices across multiple Hawaiian islands and a highly qualified team, Sen Plex is dedicated to delivering top-notch customer service and maintaining its core values of honesty, integrity, tradition, and professionalism.
