Geothermal energy?
this quote reminded me of my master plan.
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More over, listen to this piece about how much potential energy geothermal energy might have. Quote:
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More info from there I forgot to mention
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I'm planning a house that uses geothermal energy. As soon as we're sure that the kids are out on their own, we'll break ground.
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In the past year I have dug a 20 foot deep pond that is only 75 feet from my house. It holds just under 1 million gallons. This spring I put in under ground conduits from the house to the bottom of the pond. Now i can just slip my heat exchanger lines thur the conduits and sink them in the pond. A heat pump will pump 4 times the energy that it uses in to the hot water and the house. Not perfect but 90% renewable.
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Most of the geothermal home-heating systems that I personally know about have had problems regularly with the compressors, and the systems are new enough that there aren't a lot of servicemen around to fix them. Also, they make the most sense where you need heat in the winter and airconditioning in the summer--not so good for just heating. As in other cases, insulation and weathersealing the house have the best payback. Passive solar and small wood fired back up works well even in Wisconsin and a new house can be easily designed for minimal heating load--with a house that is designed and sited well, you don't need an expensive central heating system.
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My family ran a mechanical company and we did Geo Installs. It is a great system that can be modified depending on your situation.
I always sold it as pay more now or pay more later. Most reputable dealers should be able to give you payback chart showing your savings to pay for the system. Say good bye to the natural gas bill as most systems can run your heating/cooling and domestic hot water. They can also run in floor (radiant heating). All you pay is the electricity to run the circulating pump and fan if going forced air. I included some links to suppliers we used: http://www.icekubesystems.com/htmlfi...heat-pumps.asp http://www.waterfurnace.ca/ Also a good source of info for us Canucks: http://www.geothermal.ca/ |
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Also, although people sometimes say that geothermal is a form of solar heating, that is not totally true. Although it is certainly true that the ground is heated by the sun, the penetration isn't that deep. The fact is that once you get a few feet under the ground, the temperature is constant all year long, and the deeper you go in the earth the warmer it becomes. I believe that the typical ratio is about .5 to 1 degree for every 500 feet down you go. So it's probably more accurate to say that heat comes from above and below. Compared to solar, geothermal is cheap -very cheap. Payback is usually much less than 10 years, depending upon where you live. |
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Could anyone point me to info regarding the transfer in to the ground? Is there a well, a pit with pipes, something else? Considering options here. |
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