Water, with its high heat capacity, is an excellent source of renewable energy for decentralized heating. The EarthÕs heat can be used almost anywhere there is water, and can even be used in closed-circuit recirculation systems where water is absent.
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Macpherson, G. L., and C. M. Woodruff, Jr., 1981, Regional hydrologic trends and their relation to sediment textures of Cretaceous aquifers, North-Central Texas [abst.]: Geological Society of America, South Central Section Annual Meeting, Abstracts with Programs, 13(5): 241.
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