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Sun and wood take priority |
Coordinated heating systems from Buderus meet government requirements on climate protection and the sustainable use of energy
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Climate protection and sustainable use of energy are two elementary requirements under German law when installing a new heating system or modernising an existing system. Compliance with these requirements is facilitated by financial support available from the government. Buderus, the Bosch Thermotechnology brand, supplies heating systems which have been optimally matched in order to comply with the new statutory requirements. These systems typically include one or more heat generators using renewable energy sources. Since all components are supplied by the same manufacturer, they match perfectly and consequently help to reduce the use of fossil fuels and protect the climate. Above all, these systems use free energy supplied by the sun or the environment.
Coordinated, technically innovative solutions from Buderus can be used not only for standard systems, but also for customised systems and demanding requirements. In this way, energy costs can be reduced by up to 48 percent when using a regenerative gas-fired condensing system, for example. In addition to the gas-fired wall-hung condensing boiler Logamax plus GB162 whose standard equipment includes a variable-speed high-efficiency pump of energy efficiency class A, the system also features a blueline 4W wood-burning stove with integrated hot water heat exchanger. The stove not only creates a pleasant, cosy warmth in the room, but also helps to heat the domestic and heating water. The system uses energy from the sun via four Vaciosol CPC12 vacuum pipe collectors installed above or on the roof. The fresh water station Logalux FS ensures perfectly hygienic heating of the domestic water, while heat is efficiently stored in the Logalux PL thermosiphon buffer tank.
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The regenerative gas-fired condensing system uses the Vaciosol CPC12 solar system and the blueline 4W wood-fired stove as primary heat sources for domestic water and space heating. |
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Renewable energy sources take priority
All heat generators are hydraulically connected to the buffer tank, but preference is given to sun and wood. The Logamatic 4000 control system ensures priority use of renewable energy sources whenever they are available. In addition to heating the domestic water, they also heat the rooms. The gas-fired condensing boiler only starts up when the output of the solar collectors or wood-fired stove is no longer sufficient to cover current needs.
When modernising a heating system, primary energy requirements can be reduced by up to 64 percent with this regenerative gas-fired condensing system. The calculation is based on a house erected in 1980 with 150 square metres of living space and a heat requirement of 150 kWh/m2a. CO2 emissions are reduced by roughly 72 percent; in addition, this coordinated system qualifies for state aid of up to EUR 2,210 from the German government’s market stimulation programme (as of January 2009).
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