Is that 80's-90's F? If so, that is way too warm for a chin. 24 degrees Celcius is as high as I would go as that is mid 70's and on the warm side. Their fur is so dense, and they can't sweat or cool themselves down, and heatstroke can happen, causing lethargy and death. Their temps need to be kept as cool as possible, with an air conditioner in warmer climates.