A group of researchers from MIT World Peace University in India has conducted an extensive review of all direct expansion solar heat pump (DX-SHP) technology for domestic heating applications like ...

Italian researchers have reviewed different system configurations for photovoltaic-thermal solar-assisted heat pumps in buildings. They say that using the PV-thermal collector as the heat pump’s ...

A water feature can add a beautiful highlight to your front yard. Unfortunately, running the wiring to power a pump can be cumbersome, not to mention the fact that no one wants to waste electricity on ...