An international research team has developed a novel solar-air dual-source heat pump (SAHP) for water heating applications. The system's innovation lies in using a blower fan that enables forced ...

But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe. It’s a straightforward design in which the cylinder is a length of pipe ...

Researchers at the University of Zaragoza in Spain have proposed a new design for energy systems based on photovoltaic-thermal (PVT) panels integrated with an air-to-water heat pump via thermal ...