Read an interesting comment on the effect of doubling the insulation level versus doubling the energy savings from Hans Westfeld´s presentation. Hans Westfeld has presented this presentation at the Swegon Air Academy seminars on Can we build the buildings of the future without mechanical ventilation? which were held in five cities in Germany.
“5 cm, 12 cm, 24 cm – How much insulation is useful? And when will it be a waste of money that you could invested in a better optimized building services?”
The article is in German language and can be downloaded here.