sunglassesonthetable on the rare occasion we do visit my MIL’s she makes a huge deal about having put the heating on for us- she doesn’t use it much as a rule so this is thoughtful.
However because she doesn’t really heat her house, all the walls are cold through and through. The practical upshot of putting the heating on is that it goes straight from the radiators into the fabric of the house, without heating any of the airspace inside.
It’s quite an efficient system so the boiler increases the effort its expending in response to the thermostat telling it the house is cold.
Thus we have the situation where the radiators are scalding hot but the rooms are freezing, and it is possible to burn oneself whilst simultaneously being really quite cold.
By the morning of the end of our visit, the walls have warmed to the point where the radiators start heating the rooms instead of burning the unwary passer-by, and things get quite comfortable.
This is, of course, when the heating is switched off again...because we are going home.
One day soon I am going to sit her down and have a talk about looking after herself more because she’s getting on a bit now and simply needs to start being a bit more sensible about heating and stuff.