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A combi boiler or combination boiler is the most commonly

A combi boiler (or combination boiler) is the most commonly used boiler in the uk as it provides heat for both the central heating system and the hot water system on demand.. as and when you need it. Energy bills have more than doubled since 2004 and the average household pays close to £1,300 a year for gas and electricity the boiler is a major contributor to this cost, especially as your heating covers around 55% of the annual bill by replacing.

Added: 2020-05-09 | Comments: 0 | Category: one