Rocky Mountain Institute

Nine no-cost ways to reduce your home energy use

Cher Seruto is an analyst with the Built Environment Team at the Rocky Mountain Institute.

There's a crispness to the air, and winter is again upon us. Colder temperatures and longer nights bring more frequent indoor gatherings with family and friends. But, if you're anything like me, you're having trouble socializing because you're anticipating a spike in your energy bills.

The average American household spends about $1,900 annually on energy and also creates more than 26,000 pounds of carbon dioxide per year. Collectively, residential energy use accounts for about 20 percent of the country's greenhouse gas emissions.

We all want to be warm this season, and we often don't mind the increased cost. In fact, some of us may view those increased energy costs in the winter as a necessary evil.

But what if you had some no-cost, quick and easy ways to reduce that energy bill while saving the environment and maintaining the same level of comfort?

Well, here you go.

The Rocky Mountain Institute recently compiled energy usage information for the typical American home. In the process, we found dozens of ways ordinary people can cost-effectively reduce carbon dioxide emissions from their own homes.

These nine suggestions cost nothing and will save you money:

  CO2 Saved (lbs/year) $ Saved ($/year)
Lower water heater temperature to 120°F 214 $12.12
Lower thermostat in winter by 2°F 353 $19.04
Wash clothes in cold water 327 $18.58
Turn off unneeded lights 376 $21.04
Turn off home-office equipment 137 $7.68
Unplug extra fridge in garage 448 $25.04
Use energy-saving mode on appliances 769 $43.04
Increase AC thermostat by 3°F 339 $18.90
Air dry clothes during summer 779 $43.60
TOTAL SAVED PER YEAR: 3,742 $209.04

Not only can these free tricks save the average household more than $200 a year in energy costs, but the carbon dioxide reductions are equivalent to taking 10 miles off of your daily commute.

So be a do-gooder this season and year round, keep your guests happy, and give your pocketbook a boost, too.

Also, stay tuned, because next week we'll provide further energy efficiency measures you can purchase for less than 20 bucks per ton of saved carbon.

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comments from our community

Showing 1 - 15 of 37 comments

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  • Posted by Carolyn Tue Nov 11, 2008 5:31am PST
    I save as much as any person can these days , turn off the ac durning the day, open the windows to let the fresh air in , do laundry once a week, run the dish washer once a week , keep things unpluged that are not being used, have only the lights on in the room we are in..my light bill has droped some this year not much, but i can see the difference from last year [200.00] a month to [150.00] sometimes even [140.00] .. times are hard for all of us but if we keep trying we can get threw this it may hurt us not to go buy that cup of 5.00 cup of coffee, stay home with the family dont go out every night to eat do it once a week , stay out of the theaters buy a movie for 5.00 and then u can see it over again as many times as u like.. my thoughts to everyone who says they cant make it in these hard times think of those who have less than we [us] do get down on your knees and thank him up above ... we are lucky to kave what little bit of our life is ours, it could be worse than u think....
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  • Posted by Duane M Tue Nov 11, 2008 5:43am PST
    18.00 dollars in the middle of hell (houston on july 15)is not going to matter at my house ....
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  • Posted by oldredneck Tue Nov 11, 2008 5:47am PST
    What a poor article. Why not replace all your lights with CFL, or even the new LED lighting. You would save more per year than all the above 9 items mentioned. Plus, you wouldn't freeze by lowering your thermometer in the winter months. Some people have to have it warmer for health purposes.
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  • Posted by David Tue Nov 11, 2008 5:49am PST
    I installed a PowerSave 1200 it's reduced my Electric bill by 25% WWW.Power-Save.com See for yourself about the savings.
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  • Posted by Pepe Tue Nov 11, 2008 5:49am PST
    Unplug extra fridge in garage I just did this tip. Hope all the meat and stuff in there stays fresh
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  • Posted by Jim Tue Nov 11, 2008 6:05am PST
    $200/year? I have to say, I don't think that $200/year is worth losing the comforts of a few degrees of coolness or warmth. Also, turning off that fridge/freezer would totally negate any advantage you could have by buying more meat when it is on sale and freezing it for later use. Comparing that CO2 savings with what large companies and big rig trucks put out it probably doesn't compare much and really wouldn't make a dent unless EVERYONE did it which is a fantasy never to be realized. If we want to be green lets concentrate on the real polluters spreading crap everywhere, politicians!!
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  • Posted by Kim Tue Nov 11, 2008 6:17am PST
    $200 flippin dollars a year for giving up all that!!!! Talk to me when congress passes the carbon tax of$200 per pound!!!!!!!!!
    Report Abuse
  • Posted by Magoo Tue Nov 11, 2008 6:18am PST
    instead of looking through all this go to.. http://www.youtube.com/watch?v=8I1ptalSV-0&feature=related
    Report Abuse
  • Posted by Alison C Tue Nov 11, 2008 6:22am PST
    I think you have been watching too many Al Gore movies. Remeber he is not a scientist (unless you consider political science a science). I would rather live in comfort than save a few bucks.
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  • Posted by la w Tue Nov 11, 2008 6:24am PST
    Really now this was a waste of time 204$ isnt mutch to lose in a year hell with the saved money you can go pay another bill!, half of this crap didnt even mention most money saving efforts. This my good freind is a FAIL
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  • Posted by Momthebaum Tue Nov 11, 2008 6:27am PST
    How much more can I do???? All these "suggestions" make me feel guilty for no reason. The past few years I've gotten new windows, new roof/insulation, water saver front loading washer, hung out laundry to dry, put up insulated drapes, among many other things. Yet my energy bills are still sky high because the costs are increasing. I use 25% LESS energy now than in the past, have lowered my heat, raised the a.c., etc. etc., but I pay more now than ever before!! Yes I'm saving in the long run, and am as green as green can be - but at some point I just as well should go live in a cave. Yet I go to the grocery store with the huge open doors and heat blasting out in the winter, at work if it's too warm they prop the outside doors open because the thermostats are set and can't be changed - windows can't open, and the mall is kept much colder than my home in the summer! Cars can run on water now yet auto manufacturers push the gas guzzling Hummers and SUV's. Wind power is underutilized because people don't want to see the windmill farms. Come on - get real - we need to save on a large scale to truly be green.
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  • Posted by KISSIE Tue Nov 11, 2008 6:56am PST
    These are all good tips, but in addition to this, we unplug EVERYTHING (excluding the refrigerator, of course)! Why have it plugged up when you're not using it? Even if it's turned off, it still uses a little energy. So during the day after using something, it gets unplugged (microwave, tv, computer, etc.) We also make sure that everything is unplugged before bed and we don't use the a/c or heat as much. We didn't think it would make much of a difference at first, but we were so wrong. Our energy bill went from about $150 to $82! Try it. It won't hurt.
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  • Posted by Deluxe H Tue Nov 11, 2008 8:16am PST
    You forgot one of my tricks. People dry there clothes and just put the dryer on the first "ON" setting that starts the dryer. Most dryers automatically cut-off at where the manufacturer has the "Off" setting time set. Sometimes this is way too much time and the clothes get dry and the dryer still runs. $$$$$$$$$$ I put the dry time on manual and set the dry time to a realistic value. The dryer runs way less and the clothes get just as dry in half the time in most cases. You gotta just know through trial and error.
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  • Posted by coastalpoolsinc Tue Nov 11, 2008 8:17am PST
    Want to REALLY save energy? How about turning on your hot water heater for only 30 minutes a day for showers then turning it back off? This will reduce your gas/electric costs astronomically. Most hot water heaters will heat up its contents in 30 minutes and stay hot for days. Unplug televisions (or put them on a powerstrip) when not in use to reduce electric drain. Many electronics slowly drain energy to be "ready on". Conscientiously changing your thermostat? Crazy. That's just stupid. If you really want to save money, spend $30 and buy a programmable thermostat and use it. Drop the temperature when you sleep or are out of the house.
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  • Posted by contigirl99 Tue Nov 11, 2008 8:45am PST
    A couple summers ago, I started hanging our clothes to dry on drying racks, hangers, etc.We bought a High efficiency washer which spins the clothes just about dry. Does it save a whole lot in our elec bill? No, not really. But it is better on the clothes, they last longer. We also lower our thermostat to 65 for the winter, gas heat. I don't think it saves a lot of money, but we're doing what is comfortable for us. I agree with a couple of the posted comments above, $200 a YEAR? Show me some more convincing stats!
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