Cut down on your heating and energy bills by moving your thermostat to these temps when the days get cold. A quick thermostat adjustment could lead to immediate monthly savings on your energy bill. Heating costs are playing the Grinch: Throughout over half the US, the price of electricity has outpaced even inflation in the last six years. This year has also seen steep rises in the cost of natural gas . But cutting costs by cutting off the heat is a shiver inducing tradeoff. During CNET'