A fireplace in a living room in a sun filled space. a sealed combustion box keeps this fireplace from flooding the house with smoke during a fire and with cold air when there is no fire.
And with the deep green retrofit, the parents didn't have to worry about toxic chemical off-gassing or large utility bills for as long as the live in the home.
Originally built on a 35 degree hillside the deep green retrofit and rebuild because of massive water leaks and mold damage make this one of the greenest homes in California. The home scored 272pts. on the Build it Green Green Point Rated system. and would have placed it at the Platinum level of LEED for Homes, had the homeowners wanted to spend the significant cost to get it LEED rated. With Solar Electric and Solar Thermal and a super insulated shell, the house is close to Net-Zero energy.