German startup Nexol Photovolthermic AG has unveiled a 1,500 W water heater that can use photovoltaic ... In the case of low solar radiation, the intelligent system reheats the upper zone of ...

Jannik Fleiter, product manager at Triple Solar, said the PVT heat pump is ... efficiency by 20% compared to conventional air-to-water heat pumps. Slovenian manufacturer Bisol supplied the tunnel ...