
Homeowner Cathy O'Neill wanted a retirement home that set a benchmark for energy efficiency, but she also wanted it to be beautiful, warm, and welcoming. Builder Rick Milburn of PassivWorks, together with architect Jarrod Denton of Signum Architecture and Passive House consultant Graham Irwin of Essential Habitat, transformed a run-down and dated 1960s house in the City of Sonoma into California'…
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