Winter has finally approached us, meaning that many of us are going to see a rise in our energy bills. 10 percent of renters in 2013 said that they spend the most on their utility bills, according to a Rent survey. On top of being environmentally conscious, you can save a few dollars off your monthly bills just by being more aware about your behavioral habits. Heating and cooling your apartment alone can cost a large amount of money, especially in states where extreme temperatures are more common, U.S. News found.