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This case study, out of Portland Community College, focuses on the LeapFrog Houses in the Collins neighborhood in Portland. These two homes were built on an existing property--"the pre-existing home on the property was deconstructed and the lot split in two to create higher density." The homes also integrate sustainable design features such as passive solar design and solar panels, and radiant floor heating. The 3-page study provides detail on the site upon which the structure was built, water usage, waste innovations, as well as detailed floor plans. This document is part of a series from Portland Community College that discusses real-world examples of sustainable architecture, green technologies, and energy efficiency in newly-constructed and remodeled homes.

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