3 ms·
First one was built 20 years ago but getting more popular after 2010. You can order them, it's a building standard so does not require anything from you except
by Moru 5y ago
First one was built 20 years ago but getting more popular after 2010. You can order them, it's a building standard so does not require anything from you except money. But they say it's not that much more expensive than a normal swedish house since we already have a lot of isolation and 3 glass windows as standard for the climate.