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The prices for petroleum and natural gas have exploded and heating has now become a luxury for everyone. Fossil fuels such as oil, gas and coal are becoming increasingly scarce. The CO2 impact on the atmosphere, leading to a climatic disaster and air pollution, has reached a critical point.
For every house there is a solar thermal solution. Solar systems can be included when building new houses, can be implemented while renovating a house or a heating system or can be refitted at any time into an existing heating system. All you need is an appropriate roof or façade.
A thermal solar system is the most effective way to produce active heat. It creates independence from constantly rising energy prices and increases the value of your home. Through the use of perfectly coordinated components a solar thermal plant is installed in the shortest possible time. Through effective planning and a proper technical installation your solar system will always give its best performance.
Also in environmental matters, solar systems stand on the sunny side:
On average, in a one-family house about 1 ton less carbon dioxide (CO2) per year is produced.
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The solar panel installed on the roof or on the facade converts the light penetrating through its glass pane into heat. The collector is the link between the sun and the hot water users.
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Heat is produced from the absorption of solar radiation through a dark coated plate, the absorber. It is the essential component of the collector. The absorber contains a system of tubes filled with a heat transfer medium. This medium carries the collected heat. Conveyed into a pipeline, it flows further into a hot water tank. There the heat is transferred to the hot water system through a heat exchanger.
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Particularly interesting is the combined use of a solar system with some other source, such as a wood pellet boiler, which makes the building completely independent of fossil fuels. Under certain circumstances, the combination with a water-to-water or brine-to-water heat pump also makes sense. In new buildings with high standard insulation, solar heat can cover 40% or more of the total heat demand.
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In the usual sizing of the one- and two-family house area (per person about 1.2 to 1.5 sq. m. flat plate collector and about 80 - 100 litres of storage volume), in the summer the hot water is largely heated by the solar system alone. This covers approximately 60% of one years’ consumption (percentage of the solar energy of the total demand for water heating). The remaining 40% of the energy required must be covered through additional heating mainly in winter, usually by using the central-heating boiler and the upper heat exchanger of the heat storage tank.
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The temperature setting on the boiler water regulator is important to determine the amount of extra energy. The lower this value, for example 45°C, the higher is the percentage of the coverage through solar energy and correspondingly lower proportion of additional energy requirement and vice versa. If a solar system is already taken into consideration in the planning of a heating system, it is also worth using it here as heating support system. The low heat demand of low energy houses and the higher performance of modern solar installations are encouraging the trend to install solar systems with heating support.
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The temperature setting on the boiler water regulator is important to determine the amount of extra energy. The lower this value, for example 45°C, the higher is the percentage of the coverage through solar energy and correspondingly lower proportion of additional energy requirement and vice versa. If a solar system is already taken into consideration in the planning of a heating system, it is also worth using it here as heating support system. The low heat demand of low energy houses and the higher performance of modern solar installations are encouraging the trend to install solar systems with heating support.
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