NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
VDI 3922 Blatt 3
VDI 3922 Blatt 3
Energy consulting for estates and buildings - Fundamentals for estates and buildings
Title (German)
Planung der Gebäudeenergetik - Grundlagen zur Planung der Gebäudeenergetik