The Plumbing & Mechanical Contractors Association of Hawaii recently installed Robert Hann of Trane Pacific Service Co. as its new president for the 2005-2006 term. He succeeds Glenn Tango of Honolulu Plumbing Co. Other officers include Skip Morgan of Alaka'i Mechanical Corp. as vice president; Patrick Miura of Heide & Cook as secretary; and Tyrus Kagawa of Oahu Plumbing and Sheet Metal as treasurer.