British drivers spend £ 102 million a year servicing or repairing their Air Con Units

Ideally it should be used once a week even in winter. The refrigerant contains lubricants to operate smoothly, and if not used, faults are likely to develop

it should be serviced after 3 years and then every other year. Concerns that fuel economy will suffer if the Air Con is used are mainly unfounded, especially on long journeys.