Energy Efficient Homes - Are You Ready?

Each week I come up with three science news items or facts, two real and one fake. I challenge my panel to tell me which one is the fake. We have a theme this week: energy efficient homes. Typical manual dishwashing of just two sets of dishes costs more energy and water than running a full load of dishes in a modern dishwasher. Regardless of HVAC type, it is more energy efficient to keep your homes thermostat at a constant seasonal temperature than to adjust it more frequently.