Before revision: A condensing boiler upHot water central heating unit, using wood as fuel A central heating system provides warmth to a number of spaces within a building from one main source of heat.
After revision: Get a Warmool Heater today to save ££££ on your heating bill URLA condensing boiler upHot water central heating unit, using wood as fuel A central heating system provides warmth to a number of spaces within a building from one main source of heat.