2. Vanquish the vampires. Remember James Thurber's story about the aunt who worried that electricity was leaking out of the wall sockets? She had a point, of sorts. Appliances that include a clock or operate by a remote, as well as chargers, are all sucking electricity even when you're not using them. Of the total energy used to run home electronics, 40% is consumed when the appliances are turned off. The obvious way to pull the plug on so-called energy vampires is to do just that -- pull the plug. If you don't want to keep rebooting your PC, you can reduce the juice to it by putting both the monitor and the computer itself in sleep mode when they're not in use. Computers operating on snooze control use about 95% less electricity than those running on full power.
3. Harness the wind. Once you've cleaned up your own act, help clean up the power grid by buying so-called green energy -- electricity generated by wind or solar power or a blend of renewable resources. You'll pay about a half-cent to a few cents more per kilowatt-hour for green-powered electricity compared with electricity generated from nonrenewable resources.If companies in your area haven't yet gone with the wind, you may still be able to pay a small premium on your utility bill to support green power elsewhere. Or you can subsidize it separately, with so-called green tags or renewable energy certificates.To find certified renewable-power sources in your state, as well as programs that sell green tags or renewable energy certificates, go to the Green Power Locator at http://www.epa.gov/, or to http://www.green-e.org/.
4. Insulate your water heater. The newest electric water heaters have plenty of insulation. But if you have one built before 2004, wrap it in an insulating jacket (Thermwell, $20 to $30 at http://www.amazon.com/) and save 10% -- about $30 -- annually on your water-heating bill.
5. Cover the hot tub. Hot tubs lose heat even with the top on. Float a plastic thermal cover ($32 at http://www.hottubessentials.com/) under the hard cover and cut energy use by one-third.
6. Service the furnace. Have your furnace tuned every two years and you'll save about 1,250 pounds of carbon dioxide and 10% on your heating bills.
7. Turn down the heat. For every degree you lower your home's temperature during the heating season, subtract 5% from your bill, according to the Alliance to Save Energy. An Energy Star programmable thermostat ($70 at http://www.livingincomfort.com/) saves more than twice its price within a year.
8. Set the washer to cold. Use cold water to wash your clothes and save 50% of the energy you would otherwise use for hot water. Set your dryer on the moisture sensor, not the timer, and cut energy use by 15%.
9. Dim the lights. Install light dimmers, which cut electricity use by the same percentage that they lower the light.
10. Stop drafts. As your father would say, don't heat the great outdoors. Put weatherstrip around the frames of your front and back doors and save about $30 per year in energy costs.
11. Lower your water temperature. Set your water heater at 120 degrees F. If your heater does not have a temperature gauge, dial down until the water feels hot, not scalding. (Before going too low, make sure your dishwasher has a booster heater, which gets the temperature back to 140 degrees F, necessary for proper cleaning.)
12. Insulate pipes. Wrap precut pipe insulation around exposed hot-water pipes, including pipes traveling through crawl spaces.
13. Use timers on lights. Install occupancy sensors or timers on lights in areas you use only occasionally and for exterior lights, which tend to get left on during the day, says Crissy Trask, a green-living consultant in Spokane, Wash. The devices start at $25 per switch at http://www.homecontrols.com/. Anyone with basic wiring skills can install them.
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