Hardly anybody in Scotland has aircon. Most likely the islanders use oil for heating - that's what most rural places in Scotland have to use anyway. Housing s

Hardly anybody in Scotland has aircon. Most likely the islanders use oil for heating - that's what most rural places in Scotland have to use anyway. Housing stock in scotland is often old and very poorly insulated. Although it is very rarely chicago-style cold - once per decade it might hit -20C - it is cold enough consistently enough that heating is used for a good 9 months of the year.