The original Soquel farmhouse had structural issues that were beyond repair so we tore the old house down and built this beauty as well as a nice ADU in the back. Designed by Gregory Heitzler, this house got our standard green building package: 2×6 framing with R-19 batt insulation, 1″ of polyiso rigid foam wrapped around the entire exterior for a total wall R-value of 27. The ceiling is R-30, the floor is R-19. The windows are good quality but not too expensive. All the lighting is LED. The appliances are Energy Star. Heat is delivered by a 96% efficient forced air heater but it does not come on much because of the good passive solar design, thermal mass, and extra insulation and air sealing. Water is heated with a GE air to water heat pump that is 240% efficient. A 3.4KW solar array powers the whole house and ADU. Low flow 1.28gpf toilets and .8gpm faucets help to save water.