This is something I've mentioned before but I think it fits here so you're getting it again, punks.
Our house has 'hot spots' where the air is warm for no reason, one of which is over the cooker.
'Aha!' I hear you say, 'Scargy, you've left t'stove on again!'
However, the back rooms of my house were remodelled badly by the previous owners and I had it all put back. The cooker is now in a different place from where it originally would have been, and is a gas model, which wasn't connected to the mains gas supply for about 6 months while the work was being done.
The 'hot spot' used to catch me out before the cooker was hooked up because I'd think 'Oh wow, Techy has finally had the Gas Board in, what a lovely surprise!'
Wrong, the cooker was still non-functional and cold. The heat comes from just above it.
These days the cooker works. Several times a week I'll think I've left a ring or the oven on because I can feel warmth around it. This happens even when we've both been out all day and not cooked since tea the night before. I check and it's all cold, and I don't even think 'That's odd!' any more. It's just the house.
I'm so careful about the cooker that I paint a dot on each knob so I can see right away what position it's in, as is advised for partially-sighted people, and I can tell from across the room that it's all safe.
(Incidentally I am extra-diligent about turning the cooker off after being constantly exasperated by the ex's apparent carelessness about it. I believe now that he used to 'forget' to do it because he knew it upset me.
We had quite a few incidents, all down to him, and I'd be left to explain to the nice firemen why our house had nearly burned down. With everyone inside. Again.)