NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
VDI 2067 Blatt 21
VDI 2067 Blatt 21
Economic efficiency of building installations - Energy effort of benefit transfer - HVAC systems
Title (German)
Wirtschaftlichkeit gebäudetechnischer Anlagen - Energieaufwand der Nutzenübergabe - Raumlufttechnik