 Another time to cut energy costs is when you shop for a new appliance. Look for the Energy Star logo and read the Energy Guide label. And there are day-to-day things you can do. Lower your thermostat in winter and raise it in the summer. Close fireplace dampers when they're not in use. And keep air filters clean. For more tips on saving money by reducing your energy waste, check out ftc.gov slash green. A tip from the Federal Trade Commission.