Eco Vs Sustainable

Passivhaus is a brilliant. A touch of realism is also needed.

Passivhaus is not the immediate panacea. Many people and businesses in the sector do not know how to design or complete a system which achieves passivhaus standards yet.

http://www.sustainablehomes.co.uk/blog/bid/70931/The-bout-of-the-decade-Code-for-Sustainable-Homes-vs-Passivhaus-round-1