Strategic Research and Innovation Agenda for Renewable ... - EGEC
Strategic Research and Innovation Agenda for Renewable ... - EGEC
Strategic Research and Innovation Agenda for Renewable ... - EGEC
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<strong>Renewable</strong>Heating & CoolingEuropean Technology Plat<strong>for</strong>mInfo Box 2Today most hybrid systems <strong>for</strong> heating <strong>and</strong> DHW are customised combinations ofsingle components assembled by the installer, like the example in Figure 21. Thissystem is typically applied in the existing building stock. A pellet boiler meets 100%of heating dem<strong>and</strong> <strong>and</strong> serves as back-up <strong>for</strong> DHW supply, which is mostly providedby a solar thermal installation. The interface between the solar thermal component<strong>and</strong> the pellets boiler is the DHW boiler. There exist a manifold of variations, amongstothers the integration of solar thermal into the heating circuit. The optimised combinationsof solar thermal <strong>and</strong> heat pump technologies are also analysed in IEA Task44 (www.task44.iea-shc.org).Figure 21: small-scale hybrid system composed of biomass boiler, solar thermalcollector <strong>and</strong> sensible thermal energy storage (credits: Walter Haslinger, Bioenergy2020)Figure 22: Example of an integrated <strong>and</strong> prefabricated hybrid system combining solarthermal collectors <strong>and</strong> an air source heat pump <strong>for</strong> delivery of heating <strong>and</strong> domestic hotwater to single family houses. Source: Kioto Clear Energy (2013), KIOTO Sonnenheizung –Clear Energy (2013)31
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