Hello,

new subscriber I am currently testing a pre-project to familiarize myself with the parameter of the tool.

However, despite a correct bbio (bbiomax - 30%) none of the various solutions of heating and ecs does not allow to obtain a vine valid (always 20 to 30% beyond the cepmax). Where does this problem come from?

The heating requirements on page bbio (O_B_Ch_annual) is 17 kWh / m²_S_RT. But on the page cep the heating consumption (O_Cep_ch_annuel) goes to more than 30 kWh / m²_S_RT. Where does this difference come from? It seems to me that only the primary electric energy is increased by a factor of 2.6, that of the gas being 1.

Thank you
Regards