Sen Plex Corporation

Established in 1945, Sen Plex Corporation and its subsidiaries Oahu Plumbing and Sheet Metal, Ltd., Oahu Air Conditioning Company, and Oahu Air Conditioning Service, Inc. are leaders in commercial mechanical construction and service.

Oahu Plumbing and Sheet Metal, Ltd. is a mechanical contractor specializing in commercial plumbing, air conditioning, and sheet metal installation. The Company’s qualified staff, including registered Professional Mechanical Engineers licensed to practice in the State of Hawaii, have design build capabilities and offer its expertise to customers in recommending and implementing valuable engineering designs. 

Oahu Air Conditioning Service, Inc. provides the highest quality air conditioning service to commercial customers of all sizes, including hotels, condominium associations, banks, shopping centers, office buildings, airports and hospitals. The company offers new equipment installation and replacement, preventive maintenance, indoor air quality duct cleaning, and 24 hour emergency service.