Every winter, the same thing happens across Leigh and Wigan. The heating runs for longer, the boiler works harder, and the gas bill arrives looking like a typing error. Many homeowners assume the only fix is a new boiler, which is a major expense in its own right. In practice, most households can cut their heating costs noticeably by changing how the system is set up, used and maintained. Our advice for anyone trying to lower heating bills in Wigan is simple: fix the system y