quinta-feira, fevereiro 09, 2006

Domestic Geothermal Heating

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PATH: Geothermal Heat Pumps
PATH - Partnership for Advancement of Technology in Housing
NAHB - National Association of Home Builders

Deep Rock: Hydra-Drill
Model 2000, 50' package 1,800 US - 2,100 CDN
Model 2000, 100' package 2,750 - 3,150 CDN
Model 2001
Model 55
Model 77 Commercial, 300' package 6,600 US - 7.600 CDN

except that the rig is gas driven and 10 feet tall - can't do it in a basement

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