Once you’ve taken the basic steps to reduce your energy bills—insulating, sealing air leaks, installing energy efficient lights, and many of the other energy efficiency improvements we’ve recommended—what’s next?
If you want to think big, consider installing a solar water heating system, a solar electricity system, or both. These technologies use the sun’s energy to heat water and power buildings. Solar panels are typically installed on a south-facing roof, although other locations, such as an unshaded area of the property, are sometimes used.
Wind energy systems are also available for residential electricity generation, but are still relatively uncommon