As with all heating appliances, your boiler needs to be serviced once a year as recommended by the manufacturers. This ensures that it is operating efficiently and safely. An efficient boiler is more environmental friendly leading to lower gas consumption, therefore lowering your bills.
The safety aspect is even more critical as a regularly serviced boiler will operate safely i.e. the gas will burn correctly, reducing the risk of emissions of poisonous Carbon Monoxide and / or production of sooth.