The Benefits Of Geothermal Heat Pumps

A Geothermal Heat Pump (GHP) is an apparatus that extracts heat from below the surface of earth

. It works on the principle that heat flows from higher temperature substances to lower temperature substances via conduction or via convection (air currents). Geothermal Heat Pumps take in heat from the earth or water bodies to provide space and water heating. This works since the earth traps nearly half the sun's energy that is received by the earth.

Ground source heating and cooling provides high-comfort and cost-effectiveness with an environmentally friendly technology that makes use of the Earth's capacity to store energy in the form of heat. Geothermal Heating Systems move heat from the earth or water into a building, or from a building back into the earth. A small amount of electricity is used to operate pumps, fans, controls, and small compressor.

GHPs utilize the relatively constant temperature of the ground or water several feet below the surface as a source of heating and cooling and are appropriate for both retrofit or new homes. In addition to space heating and cooling, geothermal heat pumps can provide hot water with virtually no additional energy requirements because GHPs don't create heat; they merely move it from one area to another. This is a relatively new technology that can save homeowners money

It can cost several times to install a geothermal heating and cooling system, compared to the traditional kind. However, those costs are recovered over the next five to ten years, in the form of saving on energy costs. The interior components of these systems can easily last twenty-five years, and the piping in the ground can last fifty years. These systems are practical in most areas, and about 50,000 new systems are put in every year. They heat in the winter, and cool in the summer.

Many newer housing systems come with desuperheaters which take out warm air from the heat pump's compressor and use it to heat your water. The only downside is that when not using your compressor it will not provide the hot water because it is not running. Some companies are also giving a system with a separate heater during times of non use because the geothermal heating systems are such a money saver and so much more efficient.

by: Ryan McCall.

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