Sub Zero Refrigeration

Heating and Air Conditioning

3662 West 147th Street

Midlothian, Illinois 60445

708-385-2418

 

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How Does a Geothermal System Work?line graphic

The earth can provide a constant, unchanging source of energy. This energy can be used as either an energy source or energy sink. It is possible by burying polyethylene pipe within the earth to achieve considerable energy improvements over other systems.

This results because the fluid temperatures tend to be more favorable for earth coupled systems. Thus the equipment operates at lower discharge pressures and uses less kw. Energy Efficiency Ratings (EER) as high as 25 EER have been demonstrated. The other advantage is the elimination of outdoor condensing units.

The geothermal loop can be installed either horizontally or vertically. Vertical loops require less overall land area to reject/sink the necessary energy from the house. The cost to drill a vertical bore hole in the southwestern portion of the United States has steadily reduced with competition. This cost will vary from region to region, depending on the familiarity of the local well driller with the technology and soil conditions at the jobsite.

The geothermal system provides other benefits in that it is environmentally sound. There are no known hazards to the environment. The loop is made of material that is chemically inert and, therefore, is non-polluting. Small, packaged heat pumps contain a relatively small refrigerant charge, and the likelihood of leakage is less than with field assembled equipment. The heat pumps use HCFC-22, which has a relatively low ozone depletion potential. Because HCFC-22 does not require a heat adder (typically fossil fuel), there are no NO2 emissions. Less electric power consumed reduces secondary emissions from the power plant. Therefore, the system offers advantages not seen by other central furnace or heat pump systems.

Click here to read about ground water applications


 

Hit Counter                 SALES: Larry Skarr         larryskarr@sub-zero-refrigeration.com

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Thursday, June 19, 2008 05:56 PM   Webmaster: Ted Wagner