If you live in a hot climate, a sealed, conditioned attic can save you money on your cooling bills. Recently, researchers in a hot climate looked at four houses with the same floor plan, and they played with different configurations of ventilation, sealed spaces and conditioned attics. Ultimately, they determined that running your duct work through a sealed and air conditioned attic is the most efficient option. If you are ready to reduce your energy consumption, here are the five steps you need to prepare your attic: