If you're looking for ways to conserve energy, you may want to look into window tinting.
Window tint is actually very easy to apply.
There are different types and colors of film - some provide better insulation, while others allow more of the natural light to come in. Businesses that cut down on their energy use are eligible for double rebates, and Governor Davis just came up with an incentive for homeowners as well. Call your power company for information. Walt Disney Internet Group, ABC inc.