Whirlpool and KitchenAid appliances are probably the best in terms of energy efficiency. They are available at many local appliance dealers. Other products that can reduce your home energy consumption include halogen lights which use less power than incandescent, high efficiency air conditioners, solar screens, and old-fashioned insulation. All of these products can help save energy. Their payback depends on how much energy consumers use and how much the products are used.
Shade trees are another good idea.
They are cheap and help absorb solar rays. More efficient than conventional heaters, they can reduce water heating costs by a third. The heaters are available through the Sears catalog, Real Goods, or they can be ordered through some local plumbing supply stores. He likes caulk guns. Instead of naval guns, we could have mobilized caulk guns.