To get started, estimate how much energy you currently use and what it costs you by conducting an energy audit. Then, try some of these tips to reduce: turn down your thermostat, install a programmable thermostat, switch to energy-saving light bulbs and seal your windows and doors. More tips can be found here. Keep track of your energy bills and energy-related costs throughout the year and see the effects of your efforts.
These helpful tips are courtesy of the U.S. Department of Energy’s Energy Blog.