I lived in Sweden for about 7 years so I'm familiar with the massively better infrastructure you Scandi's enjoy.Thank you. So you save more on heating up the house from cold twice a day but leaving a slight warmth on all the time is good for the walls. I didn't know either. Most homes here in DK use district heating and we just leave it on all day. Some may turn their radiators up and down but we don't turn them off completely. I mean, am sure there will be some people who do but I can't say I know of any.
This is what we use here:
English
www.danskfjernvarme.dk