“In the formulation of the air-source heat pump water heater, the thermodynamic relations for the components as well as the parameters are the same as the solar-assisted heat pump,” the ...

“The system consists of several well-known and proven ... the two circulation pumps with speed control are designed for optimal efficiency. One supplies the solar loop and the other for getting ...

German solar company Paxos Solar has unveiled a glass-glass photovoltaic tile that can be installed on roofs and connected to a heat pump, reducing energy demand by as much as 20 percent.