Drill several holes with pipes running up to 250 feet down to absorb the heat of the planet to heat homes. All it would take is electric for the pumps to move the water used (closed loop system to limit pollution) a heat exchanger and a fan to move the air? Or would it just trade pollution at one site for pollution at another?
Isn’t the expense of geothermal more up front while the expense of the conventional heating system over the life of the unit?
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Yes, technically we could reduce pollution. It is another method. But also technically it’ll cost a ton of money, and a lot of materials probably too. Not to mention the maintance, etc.
I suppose it would pay back itself over time though.
geothermal is a method or alternative to reduced pollution, but is it economical ? The center of the earth is hot, and the heat can be made use of but the expenses is exuberant to harness it…..
“Geothermal energy is renewable energy source that doesn’t need any fuel to generate electricity, and the emissions connected with geothermal energy are very low, negligible compared to emissions that result from fossil fuels burning”
http://www.renewables-info.com/interesting_energy_articles/geothermal_energy_benefits.html
http://www.renewables-info.com/geothermal_energy/geothermal_energy.html
It’s a good idea, but very expensive and requires maintenance. Just some drilled hole won’t do it. Often a grid of horizontal pipes over a half acre in area well below the frost line is necessary. And even then is only effective in temps above 20 degrees. It all depends on the size of the house and the environment of course.