<p>Install a programmable thermostat compatible with your heating and <a href="https://www.thebalance.com/how-to-reduce-your-home-s-cooling-costs-2941139" data-component="link" data-source="inlineLink" data-type="internalLink" data-ordinal="1">cooling system</a>. Make sure to set it comfortably low in the winter and comfortably high in the summer.</p>Lower the thermostat on your hot water heater to 120 degrees farenheit.Follow the full load guideline. Never use the dishwasher or washing machine unless it houses a full load.Plug your electronics into power strips. When turning off these electronics, power down using the power strip to prevent stand-by mode from drawing electricity unnecessarily.Turn off your computer and monitor when they are not being used. Contrary to popular beliefs, turning them on and off will not cause damage. If you are away from your computer at different intervals, make sure you have set the power save options.Air dry dishes rather than using the heated drying cycle.Wash clothes in cold water. This not only reduces hot water usage, but it is better for your clothing as well.Use compact fluorescent bulbs to light your home. Not only do these bulbs use less energy, but they last longer than traditional bulbs.Take short showers instead of baths. The amount of water used, and heated is significantly less for a shower.Buy products that have the Energy Star label on them. All Energy Star products meet strict guidelines set by the US Department of Energy.