Abstract: . . .  Berlin [2] Lottner, V., Solar Energy Activities in IEA Countries (Germany), (1999) Report of the IEA “Solar Heating and Cooling Programme”, Ed. Pamela Murphy [3] Deutscher Fachverbund Solarenergie e.V., Freiburg, http://dfs.solarfirmen.de/marktdaten_solarthermie.html  . . .
. . .  costs by developing simple systems. In the area of manufacture and system design, costs could also be reduced by increased automation in production and by simplifying the systems themselves. The future of government-supported R,D&D for large-scale solar thermal applications in existing buildings seems to be promising as a result of the costs which can be achieved when compared with those required for refurbishing buildings using intelligent windows and new insulation materials, for instance. However, . . .
. . .  developing simple systems. In the area of manufacture and system design, costs could also be reduced by increased automation in production and by simplifying the systems themselves. The future of government-supported R,D&D for large-scale solar thermal applications in existing buildings seems to be promising as a result of the costs which can be achieved when compared with those required for refurbishing buildings using intelligent windows and new insulation materials, for instance. However, no decisions . . .
. . .  shown in Fig. 3 where a growth of 45 % compared with the previous year has been recorded. There are estimated to be 10 000 people working in this field in Germany and 100 000 systems were installed last year. The DFS has quoted the following data for Germany: • solar thermal collectors: 3 million m² so far installed • heating plants are water-based • only ca. 6 000 m² installed in 1998 are solar air-heating systems • one third of the new solar-thermal installations are combi-systems for hot water . . .
. . .  combi-systems and, above all, to reduce costs by developing simple systems. In the area of manufacture and system design, costs could also be reduced by increased automation in production and by simplifying the systems themselves. The future of government-supported R,D&D for large-scale solar thermal applications in existing buildings seems to be promising as a result of the costs which can be achieved when compared with those required for refurbishing buildings using intelligent windows and new insulation . . .
. . .  for large-scale solar thermal applications in existing buildings seems to be promising as a result of the costs which can be achieved when compared with those required for refurbishing buildings using intelligent windows and new insulation materials, for instance. However, no decisions have been taken and lively discussions are still taking place. References [1] Peuser F.A., Remmers, K.-H., Schnauss, M. (2001) Langzeiterfahrung Solarthermie, Solarpraxis, Berlin [2] Lottner, V., Solar Energy Activities . . .
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