The easiest way to lower your utility bills is to adjust the thermostat. Thermo-Stat has a database of weather from 211 U.S. cities and gives an accurate estimate of your specific current energy use and how much you can save by adjusting the thermostat. The program has real time results like a spreadsheet, plus detailed information on a printout. Ideal for homeowners, business owners, realtors - anybody wanting to save energy.