!!!Wärmepumpen

Heat Pumps are used to supply heat to buildings, hot-water systems and 
for industrial processes; heat sources are ambient air, the ground, 
ground water and cooling and waste water from industrial processes. 
The first large-scale application of heat pumps occurred in Austria in 
1951 when Oesterreichische Salinen AG converted its operations to the 
thermocompression process at Hall in Tirol, which was also used in the 
new saltworks at Ebensee, Upper Austria, from 1977. Since the early 
1980s heat pumps have been used increasingly for economic and 
environmental reasons. In 1997 the savings effected by the use of heat 
pumps in Austria 5,876 terajoule of energy (equivalent to approx. 
143,300 tons of light fuel) was gained through the use of heat 
pumps in Austria, constituting 0.62% (942,785) of total energy 
consumption.


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