Lori Bongiorno

Keep your house from leaking cash

house leaking cash, iStockPhoto

Think it's impossible to lower your power bill? After all, some environmentalists are abandoning their fridges so they can reduce their electricity use and impact on the environment.

But you don't have to take such drastic measures to save energy and money at home. A few simple home improvement projects (that you can do yourself) can make a noticeable difference in your monthly energy bills.

For those who are concerned about the health of the planet, increasing your home's energy efficiency is an important way to reduce greenhouse gas emissions.

Here are some ideas if you're willing to invest a little time (and maybe a little money) up front for savings down the line:

  • Seal air leaks. The cumulative gaps around the windows and doors in an average American house are the equivalent of a three-by-three foot hole in the wall, according to the Natural Resources Defense Council.

    Use caulk, spray foam, and/or weatherstripping to stop the air you're paying to heat or cool from seeping out. Learn how to find leaks here.

    Count on saving around $80.76 a year if you seal the large air leaks in your house, says the Rocky Mountain Institute. (Calculations are based on an "average" American home).

  • Adjust your water heater. The Department of Energy says water heating is the third largest energy expense in your home. Expect to save about 3% to 5% in energy costs for every 10 degrees you lower your water heater's thermostat.

    The DOE suggests aiming for 120 degrees (although that may be too low for those who own a dishwasher without a booster heater). While you're at it, insulate your water heater and surrounding pipes for even greater savings.

  • Control your thermostat. Your best bet is to invest in a programmable thermostat. Energy Star says you can save about $180 a year in energy costs if you use it properly.

    In the winter, keep your thermostat at 68 to 70 degrees when you're at home or awake (the summer guideline for those with central A/C is 78 degrees). Whether you choose to upgrade your thermostat or not, turn it back (or raise it in the summer) when you're away or asleep.

    The DOE calculates about a 1 percent savings for each degree you lower your thermostat over an 8-hour period.

  • Maintain your furnace and air-conditioning. Regular maintenance will keep heating and cooling systems operating efficiently. Change filters often (about once a month) so your system doesn't have to work overtime to move air through dirty filters.

Looking for more free and easy things you can do?

Wash your clothes in cold water. Turn off unneeded lights and home office equipment.  Unplug an extra fridge. Use the energy-saving mode on appliances. You can save over $100 a year on energy costs if you do it all, less if you pick and choose.

That may not seem like much to some people, and yes, there are many things in your home that use more energy, and, therefore, will result in greater savings. But every little bit counts, and I'd rather spend money on a fun family excursion than waste it lighting empty rooms or powering idle printers.


Environmental journalist Lori Bongiorno shares green-living tips and product reviews with Yahoo! Green's users. Send Lori a question or suggestion for potential use in a future column. Her book, Green Greener Greenest: A Practical Guide to Making Eco-smart Choices a Part of Your Life is available on Yahoo! Shopping and Amazon.com.

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comments from our community

Showing 1 - 15 of 34 comments

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  • Posted by wilkinxj9000 Thu Feb 12, 2009 6:06pm PST
    this article is about saving money, even if global warming is a myth, saving money is a good idea. Even still, if global warming isn't real, pollution is real- visit china or india where you can't breath because they're busy making stuff for us to buy.
    Report Abuse
  • Posted by kimmifer Thu Feb 12, 2009 6:08pm PST
    not to be rude...but global warming wasn't even what the article was talking about. so hush up please
    Report Abuse
  • Posted by rex Sun Feb 15, 2009 4:40pm PST
    they should also mention goign from a 805 efficient furnace to a 96% efficient furnace for about 2-3 thousand it will pay for itself in 5-7 years.
    Report Abuse
  • Posted by DIANNE Sun Feb 15, 2009 4:40pm PST
    Screw globol shmobol stuff. This is about your money. Who are you working for, yourself or the utility companies? Do whatever you can to hang on to your hard-earned money!
    Report Abuse
  • Posted by dickpaige Sun Feb 15, 2009 4:55pm PST
    I do wash in cold water and as of these sunny days and light wind I hang my laundry on a line in the back like the good old days. SAVES A LOT from using the dryer.
    Report Abuse
  • Posted by kecko Sun Feb 15, 2009 4:58pm PST
    I am a contractor, and I believe in all of the different ideas listed. I use a programmable thermostat in my own home and I save more than what is suggested above. I let the temp go down to 65 at night and 65 during the day when we are at work and school. Cauking windows and doors as well as areas where mechanical penatrations exist to the outside, ie. A/C lines, ducts, and vents, save energy, decreases drafting and air leakage as well as keep pests out. Check your insulation in your attic space to make sure that it hasn't settled too much from years of dust acculmulation caused by airflow from roof and eve vents, it should be about 12-15 inches thick to equate to a R-38 rating. Your basement should have insulation in all your areas where the joists end to an outside wall. Keep your garage doors shut in winter!!! On global warming. Only ignorant un-educated people or cronies of the oil & gas industry and industrial concerns could argue that our poles are melting away un-naturally. One can not argue that our weather is getting more severe and our heartland is experiencing greater drought conditions. We Need To Green Up People Before Its Too Late!!
    Report Abuse
  • Posted by toots Sun Feb 15, 2009 5:01pm PST
    as soon as you want to and do save energy,than public service has to have more money. the goverment should not grant the public service any increase until the economy get in better shape. tell that to the president of the US.
    Report Abuse
  • Posted by RUTH T Sun Feb 15, 2009 5:07pm PST
    Saving money these days is the best thing one can do. These are all good cost cutting ideas, you'd be nuts just to throw your money out the window in todays world.
    Report Abuse
  • Posted by kecko Sun Feb 15, 2009 5:07pm PST
    One extra comment to the above contractor. Anyone who believes that setting their thermostat lower than 78 in the summer isn't cool enough doesn't understand what an A/C is supposed to do. The Air Conditioner is only supposed to condition the air by taking out the humidity. If you want to save money and energy, run ceiling fans plus when the A/C is on, run the fan on the "ON" position instead of Auto. This keeps the airflow circulating while not taxing the electrical supply. This will keep anyone comfortable and happy.
    Report Abuse
  • Posted by Sara VerShaw Sun Feb 15, 2009 6:11pm PST
    A couple of comments... First, unless you have severe allergies, use the cheapest filter you can buy. Those expensive "allergen reducing" filter will make your fan use more energy. Also, unless it is completely caked with dust, a dirty filter has no net effect on your power bill. If indeed there is a decrease in airflow from a dirty filter, the cooling coil still has the same capacity regardless. Less airflow, colder air... more airflow, not as cold air. Secondly, I would not suggest running the AC fan all the time. Airflow can make it feel a lot nice, but if you run your fan when the compressor is off, some of the condensation that accumulated on the coil will evaporate back into the air and dump humidity back into the house.
    Report Abuse
  • Posted by Jerry Sun Feb 15, 2009 6:23pm PST
    Changing filters once a month may be a waste of money. Change them when they need changing, whatever the frequency. If you have a heat pump, consider disconnecting the auxillary heaters. Otherwise, they will kick in every time you or your programmable thermostat turn the heat up in the morning. If you do your own wiring, you can put in an on/off switch in the thermostat wiring to the auxillary heaters.
    Report Abuse
  • Posted by Shelly V Sun Feb 15, 2009 6:36pm PST
    Timing device on childrens rooms if you have little kids. They turn the lights on but never off! Solar landscape lighting. If you have a Christmas light nut for a husband (like me), invest in the new led energy savers. p.s. contractor is right on. If global warming is a myth, you saved money, if real, you saved money and helped our future children. Right and Left dogmatics please go away!
    Report Abuse
  • Posted by Bears Fan Sun Feb 15, 2009 11:20pm PST
    turn off lights that are not being used. Keep your heat set at 68/night and 70/day. Hang wet items inside to dry,this puts moisture into the house and makes it feel warmer. Don't run half filled dishwashers or washing machines. Use calling cards for long distance, we save about $80.00/mo. Cook double portions so you can freeze half for another meal, saves on the gas or electric stove bill. Shower every other day, it saves water and is good for dry winter skin.
    Report Abuse
  • Posted by markR Mon Feb 16, 2009 2:48am PST
    we are new home owners, 2 years. the original owners didn't do much for up keep, so far we installed new windows and caulked around each. discovered they had no insulation in family room addition, crawl space, and installed insulation wrong in main attic; corrected all. sealed all gaps and holes we could find. new door transoms and sweeps. proper attic ventaltion/fan installed. proper attic gables installed in family room addition. this is just some of what we have done...and our heating cost so far from last year is down almost exactly half!
    Report Abuse
  • Posted by KIM M Mon Feb 16, 2009 4:42am PST
    We have done all this and we did'nt see any change.
    Report Abuse

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