Ground Source Heat Pumps Can Help You Conserve Energy

Heat pumps are popular, they are almost everywhere in different forms

, but few people really realize how efficient they can really be. Refrigerators and air conditioners are also considered as heat pumps as they pump heat from hot to cold location.

Ground source heat pumps transfer heat from the ground to buildings. The heat can then be used heat water or be distributed to other areas of the building. Piping is buried about 10 meters under the ground. These pipes are filled with ethanol or a mixture of heat absorbent water and glycols. There are three components of the exchange system that transfers the warm from below the surface.

The evaporator absorbs the heat from the water in the ground loop. The compressor then compresses the refrigerant and lowers the temperature to that specified by the heat distribution circuit. The final component is the condenser, which supplies warm to the hot water tank, where the water is then distributed.

The average temperature below the surface of the earth is somewhere between 8 and 13 degrees Celsius. The ground source heat pumps the heat from water present in the pipes under the ground, to the heat absorbing sinks above ground. It can then be easily circulated via the heating system. The final process is the heat distribution system. This can be under floor or space heating, or it may be storage of hot water.

If you are thinking of installing these pumps there are a few things that you should consider.

You must have the facility for outdoor underground piping. You should consider if you can you really afford to have a trench dug in your backyard?

Installations costs can be relatively expensive, although the returns are profitable.

Ground source heat pumps are used extensively in rural areas in the United States. They are very efficient systems that can produce up to four months of heat for every unit of electricity that they consume. In the summer months the process is reversed and the units can be used to provide cooling instead of heating. These pumps have very little impact on the environment. Even though electricity is required for the operation, the heat that is extracted can be renewed continuously.

The heat that is supplied is constant over longer periods, although at lower temperatures than oil and gas heating. It may be necessary to keep the pumps operating constantly during the colder months, and your heat may appear less warm than with other heating, such as oil or gas. They are among the most efficient of all renewable energy sources, as they consume up to seventy-five percent less energy than conventional gas or oil heating.

Some of the advantages that can help to make the system preferred, is that little to no maintenance is required. The pumps can be used to heat water as well as to distribute heat to other areas of the building, and there is a dramatic reduction in fuel costs. In addition there may be credits and rebates available for programs that lower the carbon footprints of buildings.

Ground source heat pumps can be used to lower energy bills, while the supply heat from a free and renewable source. Ground source heat pumps are also effective at cooling in warmer climates and lowers carbon footprints, in an eco-friendly operation.

by: ador talukdar

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