The light-emitting diode (LED) is one of today's most energy-efficient and rapidly-developing technologies. Some bulbs can last for 25,000 hours. See how you can save with our lighting calculator.

A phantom load is any device that uses electricity when turned off but is still plugged in.  Use this calculator to find out how many phantoms are stealing your energy and money.

A "do-it-yourself" home energy audit will not be as thorough as a professional home energy assessment, but it can help you pinpoint some of the easier areas to address.