Creating a well-insulated envelope was another key design feature. The home is insulated with cotton batting made mostly of recycled blue jeans in the walls and cell foam in the ceiling, which expands to fit into irregular spaces where the batting can't. "The roof has an R-value of 42-45," says Ian. Photo 6 of 13 in Building Green in Albany by Diana Budds

Building Green in Albany

6 of 13

Creating a well-insulated envelope was another key design feature. The home is insulated with cotton batting made mostly of recycled blue jeans in the walls and cell foam in the ceiling, which expands to fit into irregular spaces where the batting can't. "The roof has an R-value of 42-45," says Ian.