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22 inspiring solar neighborhoods depicted on a map
Urban surfaces play a major role in enhancing sustainability and climate resilience of neighborhoods. They offer opportunities not only for producing renewable energies and correctly managing passive solar gains and daylight, but also for greening and cooling the neighborhood. The researchers of IEA SHC Task 63 on Solar Neighborhood Planning …
High solar heat fraction solutions supported by heat pumps
The German heating technology manufacturer Viessmann Climate Solutions has been part of Carrier Global, the largest US manufacturer of air conditioning systems, since March 2023. This merger is now also beginning to bear fruit in Germany. The German town of Bracht is not only benefiting from a turnkey solar heat …
Industrial heat pumps provide up to 90 °C for district heating from river water or air
Two innovative heat pump projects in the megawatt range connected to district heating grids went into operation in Germany last year. The installations from Johnson Controls International (JCI), Denmark, and Friotherm, Switzerland, are both designed to provide hot water of up to 90 °C for their respective district heating networks …
A guideline for industrial heat pumps adapted to district heating networks
Solar thermal systems and heat pumps are important key components for the decarbonization of district heating networks and often complement each other well. Heat pumps can, for example, use heat from the solar-charged seasonal storage tank and thus empty it more efficiently. This boost effect of heat pumps was described …
Standardization and adaption of solar cooling kits for sunbelt regions
The future markets for solar thermal cooling systems are in the global south. The IEA study The Future of Cooling predicts that by 2050 37 % of total electricity demand growth will be for air conditioning. Solar thermal cooling systems have two major advantages. They consume up to a factor …
“Good contacts with more than 50 manufacturers of high-temperature heat pumps”
The market for high-temperature heat pumps for industrial applications is developing very dynamically. The number of manufacturers has doubled in the last six years. This is confirmed by Dr Cordin Arpagaus, who has been closely following the industry since 2018. As a Senior Research Engineer at the IES Institute for …
EuroSun 2024: “Extremely good and optimistic atmosphere”
EuroSun in Cyprus attracted around 200 visitors from over 40 countries. They all recognized that solar heat technologies are an important pillar of the energy supply on this island. 92 % of the houses, 53 % of the hotels and a considerable number of industrial companies use solar heat. “Solar …
Technical and efficiency-orientated comparison of solar collectors for district heating
A large number of different collector types are available for planners to integrate into district heating systems. A recent report by the IEA Solar Heating and Cooling Programme titled Solar Collector Technologies for District Heating analyses and compares stationary and tracking collector types in terms of geometry, efficiency and costs …
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