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November 17, 2011
Offices occupied by the Northwest Energy Efficiency Alliance in the historic Commonwealth Building in Portland have been certified LEED platinum. Lighting systems use 53 percent less energy and plumbing systems use 44 percent less water than traditional office space. Unico Properties of Seattle owns the building and worked with the tenant on certification. Also on the team: Brightworks, Ditroen Inc., Colliers International, Convia Inc., Green Building Services, Herman Miller, Lloyd Johnson Consulting, Luma Lighting, Pacific Office Furnishings, Russell Construction, SmithCFI, Steelcase and WGS Interiors. Pietro Belluschi designed the Commonwealth, which was built in 1948. It was a green pioneer, with a double-glazed window system and heat pumps for heating and cooling.