What is your ambient if you have 19°C on idle? Less than ambient is possible with refrigeration!
its only 14c or 15c in here or 55 to 60 farenheight
i dont really feel the cold so about 60f indoors is just fine for me and anything over 20c --roughly 70f actually
feels too hot and makes me sweat
its a running battle as i dont feel the cold and my partner loves the heat--i keep turning off the heating while her