Built in 1979 this 3,600 square foot house had only a wood stove for back up. Behind the west half of the south glass wall is an old stone farm house. All this stone provided a large thermal flywheel that kept the house warm in winter and cool in summer.

Built in 1979 this 3,600 square foot house had only a wood stove for back up. Behind the west half of the south glass wall is an old stone farm house. All this stone provided a large thermal flywheel that kept the house warm in winter and cool in summer.