After painstakingly insulating our walls, Chris to turned his attention to something even harder — insulating the vaulted ceiling. By the time he is through with the retrofit, our ceiling will have 10 distinct layers and be 17 inches thick. Wowza.

Insulation is unsexy. No one ever sees it or thinks about it. But it's one of the most important ways to green your home. So we're going to insulate the heck out of our house —starting with the walls.