Owners: Eric Thomas and Alexandra Salmon

Designer: Zero-Energy Plans, LLC (zero-energyplans.com)

Builder: TC Legend Homes (tclegendhomes.com)

Site Address: 612 NW 60th St., Seattle, WA 98107 (Ballard)

SPECS:

1,915 square feet, single-family, 2 stories, 3 bedrooms + work loft, 2 bathrooms, concrete slab foundation, radiant heat floors, Hardie plank siding.

GREEN FEATURES:

Structural Insulated Panel construction, air-to-water heat pump, 6kw solar electric (photovoltaic) system, triple-pane windows, passive solar design, rain garden, stained concrete floors, reclaimed fir floors, recycled fixtures, zero-VOC paint, low-waste engineering, low-energy LED and CFL lighting, capacity for additional solar panels to power an electric car 5,000 miles per year.