This is one of the documents that regulates one type of heating system in slovenia... You can mostly just find companies that do the calculations for you :) ht

This is one of the documents that regulates one type of heating system in slovenia... You can mostly just find companies that do the calculations for you :) https://www-pisrs-si.translate.goog/Pis.web/pregledPredpisa?id=PRAV12408&_x_tr_sch=http&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=sl&_x_tr_pto=nui https://www-pisrs-si.translate.goog/Pis.web/pregledPredpisa?... Article 15