Energy Storage Four-year tests show that heat pumps work efficiently even in older houses – SPEBy solarenergyNovember 5, 20250 Researchers from Fraunhofer ISE tested different types of heat pumps in existing buildings across Germany for four years, finding that…
Technology Four-year outdoor tests shows that perovskiet solar cells suffer from high seasonal PV Magazine InternationalBy solarenergyJuly 10, 20250 Tests conducted by the Helmholtz Zentrum Berlin (HZB) in Germany have shown that perovskite works solar cells that work at…
