Posts Tagged ‘http://www.timesfreepress.com/news/2010/may/15/geothermal-heating-cooling-pull-savings-from-earth/’

Geothermal heating, cooling pull savings from earth

* What: Geothermal heat pump systems * Company: Engineered Services Cooperative * How it’s green: The pumps utilize the earth’s temperature to provide heating and cooling for buildings. Because water is utilized as the heat transfer medium instead of air, it is more efficient and reduces carbon emissions. * How long: For the last five [...]