The most energy efficient home is one that's already built. Keeping a home out of a landfill saves all the materials in the house, as well as all the energy used to create the materials—the building's embodied energy. And historic homes preserve a slice of culture that would otherwise be lost forever. And what's better than keeping one 100-year-old house out of the landfill? Keeping two 100-year-old houses out of the…














