Case Architects: Seattle-based eco-friendly green architecture and building firm
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Letitia Ave Development
Two new houses in the Columbia City neighborhood of Seattle.

Our first project, designed by Patricia Bittner and built by Case D&PM. These homes were a testing ground for resource-and-energy-efficient construction methods. An ICF Foundation system, Cellulose Insulation, and Radiant Floor Heat all provide for winter comfort, while lots of natural ventilation tempers summer extremes. The low-maintenance membrane roof and rain-screen exterior provide a longer-lasting home. Like all of our projects, these homes are highly efficient in their use of space and materials. They look out across their neighborhood toward the Cascade Mountains.