The system is described by its creators as a cost-effective solution for water heating by storing thermal energy in fine sand. Techno-economic analysis indicated the system is economically viable for ...
Briefly on MSN
"Geyser has no choice": Joburg expert shows how solar geyser can still use electricity from grid
A Johannesburg energy expert explained why evening showers force solar geysers to draw municipal power, and Mzansi shared ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results