Energy bills are going to be sky-high this year --that is, unless you are prepared "10-Minute Energy Saving Tips" will arm you with hundreds of easy, innovative ways to cut your heating bills (and your cooling bills next summer ).Tips include: ULLIOpen curtains when the sun comes up to let the sun's energy in, but close them as soon as it gets dark to keep the warm air inside the house.LICaulk around any old windows to prevent leaks.LIClose doors and lower heat in all zones you don't use every day, like the guest bedroom or the study. LIInvest in down comforters and wool blankets for the beds and turn your heat down you'll sleep better, and save on heating costs LIBuy plastic sheeting and cover very drafty windows. It's inexpensive at the home improvement store, and it can save you a bundle.LIReplace your old storm door with a new one to prevent drafts.LILower the temperature on your water heater - this also helps to prevent scalding