ᐅ Building a Monolithic KfW55 Home with a Basement – A Practical Approach!
Created on: 25 Aug 2017 13:23
Z
Zaba12
Hello everyone,
I already feel a bit sorry for asking this question, as it has been indirectly discussed multiple times here in the forum. I am not concerned with whether KfW 55 is worthwhile or not; I have moved past that with the idea of a controlled mechanical ventilation system.
Originally, I did not want to build to the KfW 55 standard because of the basement. However, since we plan to build from the start with a controlled mechanical ventilation system, a heat pump is mandatory, and I am considering a photovoltaic system (without battery storage) due to owning an electric car, our architect mentioned that aiming for KfW 55 as a building standard would make sense (especially as the south-facing orientation is ideal).
We also plan to include a small fireplace (similar to a Plewa Classic).
Since we still have at least four months before consulting an energy advisor, I would like to ask the following question.
What do you think we would need in addition to meet the KfW 55 requirements effectively?
The draft plan currently shows a 36 cm (14 inch) masonry wall. Would we have to increase this to 42 cm (16.5 inch)? Or would triple-glazed windows suffice? Does the basement need to be heated? It is not intended as a living space, but it should be comfortable to spend time in.
Has anyone here already built a monolithic house with a basement to the KfW 55 standard? Surely, someone must have?
I already feel a bit sorry for asking this question, as it has been indirectly discussed multiple times here in the forum. I am not concerned with whether KfW 55 is worthwhile or not; I have moved past that with the idea of a controlled mechanical ventilation system.
Originally, I did not want to build to the KfW 55 standard because of the basement. However, since we plan to build from the start with a controlled mechanical ventilation system, a heat pump is mandatory, and I am considering a photovoltaic system (without battery storage) due to owning an electric car, our architect mentioned that aiming for KfW 55 as a building standard would make sense (especially as the south-facing orientation is ideal).
We also plan to include a small fireplace (similar to a Plewa Classic).
Since we still have at least four months before consulting an energy advisor, I would like to ask the following question.
What do you think we would need in addition to meet the KfW 55 requirements effectively?
The draft plan currently shows a 36 cm (14 inch) masonry wall. Would we have to increase this to 42 cm (16.5 inch)? Or would triple-glazed windows suffice? Does the basement need to be heated? It is not intended as a living space, but it should be comfortable to spend time in.
Has anyone here already built a monolithic house with a basement to the KfW 55 standard? Surely, someone must have?
D
daniels875 Sep 2017 13:53I haven’t measured it, but I usually wear just a T-shirt at the bottom. My wife feels it’s too cold and always puts on a jumper.