He either needs to pay for all the extra utilities he’s using or buy a nice cable-knit sweater to wear around the house! It’s totally unreasonable to expect your roommate to tolerate 80 degree weather indoors.
27-year-old constantly sets the thermostat to 80 degrees, roommate locks him out of the thermostat and sets it to 72 degrees during the day and 68 at night: ‘He just said I’m being controlling and that the temperature isn’t that big of a deal.’