Air-based photovoltaic-thermal system can achieve significant energy savings in buildings

Researchers in Sweden have developed an air-based photovoltaic-thermal system that can preheat ventilation air and domestic hot water, cutting district heating demand by up to 16% for ventilation and 7% for hot water while also reducing peak heating loads in cold Nordic climates.A research team led by scientists from Sweden's KTH Royal Institute of Technology has investigated the use of air-based photovoltaic thermal (Air-PVT) technology in Nordic climates. "At a first stage, we are exploring Air-PVT, which is an unconventional solar technology to begin with. We wanted to show how upgrading from ...

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