how to cut energy costs at home
1 Install a programmable thermostat to automatically adjust your home's temperature settings when you're away or sleeping.  When used properly, a programmable thermostat with its four temperature settings can save about $180 a year in energy costs.
In the average home, 75% of the electricity used to power home electronics and appliances is consumed while the products are turned off. This can be avoided by unplugging the appliance or using a power strip and using the switch on the power strip to cut all power to the appliance.