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Did you know that in the Nordic countries as the United Kingdom, the ground a few feet below the surface maintains a constant temperature between 11 and 12 degrees Celsius even in winter? It traps the sun's heat and stores it underground, all year. A source heat pump ground transfers heat to your home to provide space heating. The use of a compressor (just like your fridge), it increases this heat to about 45 or 50 degrees, and transfers it to radiators or underfloor heating. Heat can also be used to pre-heat your water, which means you need less gas or electricity for that too.
Because they use renewable energy stored in the soil, ground heat pumps provide a means The most eco-efficient heating of buildings. The only energy used by the systems of Ground Source Heat Pump is the power for the pump. Normally, a system will produce energy 3 or 4 times more heat (or heat) that the electrical energy used to drive the system. If you can source your electricity from a renewable energy source like wind or solar then your heating will be completely clean, clean.
Earth Geothermal heat pumps have been widely used for many years Europe and North America. There are now several hundred thousand in operation. In Germany, tens of thousands of systems installed each year. They are generally more expensive to install than conventional heating systems. In the UK, you must now expect to pay about  £ 8,000 (plus VAT) or more to heat an average size house, although government grants can refund some of this cost (up £ 1200 is available in England and  £ 4000 in Scotland). However, heat pumps have very low maintenance costs, and can be expected to provide reliable and environmentally-friendly heating for over 20 years.
In a modern, well insulated house, a source of soil thermal pump system can also save operating costs. It may be cheaper to operate a boiler fuel, and less than one third of the operating cost of electric heating. Currently, he is likely to be just a little less expensive than best of modern condensing boilers gas, but gas prices may well increase in the future in many countries.
There are 3 main elements to a Ground Source Heat Pump. The first is the â € ~ ground loop € ™ which is a length of pipe buried in soil or in a borehole or a horizontal trench. For a modern detached house you will usually need two trenches 40 to 50 feet long to provide sufficient heat for the home. The ground loop collects heat from the earth. The second main element is the heat pump, which is usually same size as a fridge-freezer. This transfers and increases the heat of the ground loop. Finally, you need a system distribution, which basically means a floor heating or radiators.
Geothermal Heat Pumps are most suitable for the houses are well insulated because otherwise they can become very expensive to install. The cost of a system is directly related to its size, which is in turn driven by the heat it needs to deliver. If you live in an old building with a very high loss of heat, which can add substantially to the cost of capital over the installation a heat pump. The money spent on the modernization of wall, floor and loft insulation can save a considerable amount on capital cost. Unfortunately, some older buildings can never be sufficiently energy efficient to use modern systems distribution of heating that go with geothermal heat pumps, such as heating at low temperature underfloor or radiators at low temperature.
You should consult a professional installer if you are considering such a system. They will be able to give detailed advice on the appropriateness of your house. Questions you should consider things like whether you have enough space to dig the trench for the ground loop, what type of heating system distribution you want (eg underfloor heating), and the size of heat pump you need.
With more than 40% of dioxide emissions carbon from the heating of buildings in countries like the United Kingdom, energy efficient systems such as geothermal pump are looking more and more attractive. If your house is well insulated, and you have a little space outside as a garden, it is really worth investigating a system of this kind to help reduce your personal contribution to climate change, making better use of the free heat provided by the earth.
About the Author:
Alex Perry is a founder of DownwithCO2.co.uk, which helps people save energy, save money and reduce CO2 through providing information and contacts.
Article Source: ArticlesBase.com - How to Heat your Home Using the Earth’s Natural Heat (and a Little Electricity)
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