Heat with the correct trick

42.2 KW of terrestrial heat central heating installation (source: Stoltenberg energy GmbH) (openPR) - with each cent, Gert weber a small little increase in price, become luckier the gas and fuel oil. Because the 61-jährige an official gets the heating warmth for its single family house in Schlesen (circle Plön) from the depths of the earth. The more highly the energy prices climb, the rather weber Geothermie heating paid: „Original we had proceeded from twelve years, but with the today's oil prices we have the capital outlays already in seven to eight years again raus. “Although 99 per cent of the earth body are hotter than 1000 degrees and our globe radiates daily more energy four times into space than we humans uses, plays terrestrial heat with the production from heating energy in Germany only a small role. But in view of rising fuel costs and threatening climatic disaster the desire of the consumers grows to free itself from the dependence from gas and oil to. „The demand for terrestrial heat heaters rose rapidly “, says Iver trained, Planungsingenieur with the Schönberger Geothermie specialist Stoltenberg energy GmbH. The fact that many owners and Modernisierer before the purchase of a terrestrial heat plant back-frighten however nevertheless has two reasons according to instructions school width unit: „On the one hand at the beginning of relatively high costs, on the other hand can many disconcert at all believe, how quickly the investment disburses itself. “

Gert weber did not frighten back. 20 years long it had heated its house with river. But when the energy costs threatened to run completely from the rudder, it a folder of the company Stoltenberg fluttered in the house. Weber informed, and in the winter before two years was it then so far. In the garden within fewer days two in each case 90 meters deep holes were bored. Into everyone two u-shaped plastic hoses came. By these terrestrial heat probes a heat transfer liquid flows - usually a mixture from water and antifreeze, which take up the warmth from the soil and transported to the heat pump in the house. Although the temperature amounts to into 90 meters of depth straight once 15 degrees, here hot heating water develops up to 60 degrees. The reversal of the refrigerator principle makes this temperature rise possible: As a refrigerator by means of compression and evaporation the heat pump of the circulating liquid energy extracts, extracts warmth from the food, in order to heat thereby the water up in the heater cycle.

The hook: A terrestrial heat heating for a house of medium size costs between 15.000 euro and 20,000 euro, whereby however the KfW Förderbank makes interest-favorable credits available. The drillings constitute the lion's share of the costs plus terrestrial heat probes, in addition come the pump unit, a hot water tank and regulation electronics. The high capital outlays drastically reduced operating cost faces - finally terrestrial heat is around the clock free of charge available, only the river for the enterprise of the pump must be paid. In the case of the family the annual heating cost calculation reduced webers in such a way to a third.

But the calculation comes up only if the plant is dimensioned correctly. „The withdrawal achievement of the earth sounding apparatus, the heat pump and the heating system must be perfectly one on the other co-ordinated “, say Winfried Dittmann of the innovation donation Schleswig-Holstein. Best suitably are heat pumps for a surface heating system, thus a winding or an under-floor heating. A key size is the performance figure in such a way specified of the heat pump, thus the relationship from produced heat energy to the assigned electricity. If a pump from a kilowatt-hour river produces four kilowatt-hours warmth, the performance figure amounts to four. But caution: Such values reach the pumps only, if they are not made excessive demands of. For example if a higher heater inlet temperature is needed - about because the achievement of the heating became to measure too weak, or because the hot water tank volume for showering all family members is not sufficient, then the performance figure sinks. That means: the pump uses more river, in extreme cases so much that climatic and resources protection are there - refrained from the rising operating cost once. In each case applies: Residential buildings, which are not sufficient for the standard of modern low-energy buildings, are suitable for Geothermie less.

Gert weber is convinced anyhow. „Actually I cannot understand that more humans with terrestrial heat heat not already much. “Perhaps is because of it that still the faith is far common, terrestrial heat could also only in the south of the republic - for instance in the upper Rhine ditch - economically be used. The geological conditions are favorable also in the north. However still no projects are here realized, with which by several thousand meters deep drillings hot water is carried upward. But also the Geothermie near the surface - with that it already since the first oil crisis 1973 good experiences gives - experts certify large Potenzial. „That is completely clearly the future “, says Hermann Stoltenberg, senior boss north Germans of the Geothermiepioniers.

Stoltenberg energy GmbH
Large Mühlenstr. 45
24217 beautiful mountain
fon 04344-4110-0
fax 04344-4110-20
www.stoltenberg-energie.de
info@stoltenberg-energie.de

Stoltenberg energy GmbH - your specialist in lasting warming and generation of current

We are offerers Blockheizkraftwerke vegetable oil-claimant by terrestrial heat heating systems near the surface and and look as a pioneer of the regenerativ energy industry on one over 10-year old experience back. Among our customers among other things owners of house of in and multi-family houses, carriers of local mechanisms, industrial companies, manufacturing ones and farmers rank.

By our know-how to implement customized heating systems we create a long-term and lasting heat supply, which is both pollution free and inexpensive. Thus we stand in tradition of our enterprise, which already looks back on one more than hundred-year history.

Beside Geothermie near the surface, we offer depth terrestrial heat probes for big customers and engage ourselves on the future market of hydrothermaler current and heat generation. It is our requirement to belong to the best ones. Therefore we set yardsticks during the energy optimization in engineer achievement, innovation and efficiency. And with everything that we do, we orient ourselves consistently at the needs of our customers, and the will to improve property ever further.

Faithfully our slogan: „No gas, no oil, no CO2 - with terrestrial heat “are pleased we heat to support you with the lowering of your energy costs and with a contribution to the climatic protection.

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