The Napa Valley House - 8

The final day opens at a scenic overlook on the first clear day in a week. On site, the painters are applying the exterior topcoat, carpenters are cutting the last pieces of trim and architect Jon Lail is on-site to check out the final product. Meanwhile, Richard Trethewey shows us the utility room - a small toilet and shower room, a lavatory and a laundry with plenty of storage space. The kitchen has an island sink with water purification unit; a trash compactor; three-bowl sink with disposal; two undercounter thermal-convection ovens; a quiet dishwasher with a pause function (for turning on after people have left the room); a gas cooktop with retractable hood; and a built-in refrigerator that operates for around $85 a year. The push towards more efficient appliances and buildings began in California, and Richard meets with the chairman of the state's energy commission to learn about its programs. We see custom wood doors and brass hardware go in, then visit a stunning private wine ce