This pair of detached houses on one lot in an urbanized area of San Diego embraces its seaside setting with a series of courtyards that usher in the ocean breeze. The houses are remarkably efficient thanks to a combination of passive and active strategies, including a concrete-board rain screen for temperature regulation and photovoltaic arrays for solar energy. Photo 2 of 6 in A Look Back at Our San Diego Home Tour

A Look Back at Our San Diego Home Tour

2 of 6

This pair of detached houses on one lot in an urbanized area of San Diego embraces its seaside setting with a series of courtyards that usher in the ocean breeze. The houses are remarkably efficient thanks to a combination of passive and active strategies, including a concrete-board rain screen for temperature regulation and photovoltaic arrays for solar energy.