Hertfordshire

1) Reliability
2) Save costs in gas bills
2) Produces hot water on demand all year round
3) Produces heating on demand
4) No more tepid baths or showers

1. Turn down your central heating thermostat by 1 degree.  In doing this, you could save up to £55 per year.
2.  Get thermostatic valves fitted on your radiators.  This will help you to control the heat in a room and could reduce the energy your boiler uses up by 40%…