Sims chilled in house even with thermostat on
It started with one of the last patches. After playing a while with a family, even if a thermostat is on, my Sims have the modlet saying that they are cold and from time to time they will shiver. They...
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Check that each room counts as a room, make sure there are no missing walls/fences, or missing floor tiles (particularly under the roof where it sometimes bugs out during building) which might cause a room to not be enclosed and to count as being outside. Other than that you've tried everything else I would suggest.
