I’m sitting here this evening feeling cold. I put on the electric fan heater after putting on a thick jumper. Also fluffy slippers. I didn’t understand why the temperature was falling. Yes it’s cold, wet and windy outside but the central heating was on. I checked to make sure the door was shut…. Yes, all OK.
Then my husband who was gently toasting his hands over the oil heater said….
Oh I left the window open upstairs!
Now I’m getting too hot.
Funny what shutting a window will do.