Bauexperte
2015-06-19 22:54:52
- #1
External insulation (mineral) would be one approach, another would be more insulation in the roof as well as more technology. Often chosen with gas: controlled residential ventilation with heat recovery as well as more insulation in the roof. How KfW 70 with gas can be achieved in your case should be explained to you by your energy consultant. Look in the forum for posts by '€uro' – the 15% rule was one of his favorite topics and also well explained by him. Rhine regardscan you specify the 15%? is it about external insulation? because we definitely don’t want to do that. but the roof etc. should of course be very well insulated.