The poured concrete floor stores the sun’s energy and releases the heat at night as the home begins to cool. Add a one-hundred-foot-long stone wall that serpentines through the house, separating the sun-soaked southern living spaces from the northern support spaces, and we have a home that looks, feels and performs wonderfully.

Location: Fraser, Colorado

Sustainability: Passive solar heating, high levels of thermal storage, structural insulated panels (SIP) exterior walls and roof, radiant floor heating, low-VOC finishes, ground polished concrete floors, bamboo flooring upstairs, parallel strand lumber exposed beams

Credits: contractor: Mountain Top Builders

Year Completed: 2009