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thephantom1492 t1_iy5woov wrote

Reply to comment by rjwut in There are 24 whole hours in the day and yet smoke detector batteries only die between 3am and 5am. by 1upin

DUH! of course! . . . Why didn't I tought about that before?

And it explain also why in winter too, we set the heating at 18°C at night and 21°C during the day, but the ceiling itself being the attic is most likelly quite colder (the insulation is trash, I need to redo it, maybe this spring?)

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