I'm sitting in a room that's at 18C. At night I heat it to 20-21, but sometimes that does feel a bit warm. This is a comfortable temperature, I'm not doing it t

I'm sitting in a room that's at 18C. At night I heat it to 20-21, but sometimes that does feel a bit warm. This is a comfortable temperature, I'm not doing it to be "virtuous" or whatever the OP seems to think is the reason.