Oak Street Artist Lofts in Portland, Maine. Sandy Agrafiotis photo.

Oak Street Artist Lofts



Thornton Tomasetti served as the sustainability consultant for the LEED certification of a new 30,000-square-foot, 37-unit residential structure using the LEED for Homes Mid-Rise Pilot Rating System. This system was developed by the U.S. Green Building Council as a third party certification program and consists of both mandatory and optional credits.

The lofts are available as affordable housing units and are marketed toward artists. They include features such as an open lounge and gallery space on the ground floor and a common area on the second level that is used as studio space. The building had to meet LEED Silver certification and Architecture 2030 Challenge requirements in order to receive partial funding from the city of Portland. The project is the first affordable multi-family development in Maine to receive a Platinum rating. Sustainable initiatives that helped meet these goals include a super-insulated envelope with minimal air infiltration, heat recovery ventilation, solar hot water, and dedicated bicycle parking.

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