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09/03/2021 · A regular boiler is more efficient than a combi at producing hot water, but it will lose some heat from the hot water cylinder. Therefore, a combi boiler may be more efficient overall. Combi boiler. A combi (or combination) boiler provides hot water directly, whenever it is required, and does not need a hot water cylinder.
Heating and hot water guide - Energy Saving Trust
Gas-Fired Boilers - Code Compliance Brief | Building
the amount of fuel used by boilers to heat a home. The UK boiler market is the biggest in the world (the annual market value for boilers in the UK is around £2.5-£3 billion) and has some of the most experienced manufacturers and installers.2 In the area of controls, there are a number of UK players with a strong UK base. By drawing on
Gas boilers are widely used in commercial and industrial premises for space and water heating and steam generation. The discharges from boilers with heat inputs of less than 20MW are regulated under the Clean Air Act 1993. The Clean Air Act (Section 14(2)) requires that an occupier of a
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Section 2: Gas, oil and biomass-fired boilers 14 2.1 Introduction 14 2.2 Scope of guidance 14 2.3 Key terms 14 2.4 Determining boiler seasonal efficiency 16 2.5 Boilers in new buildings 19 2.6 Boilers in existing buildings 20 2.7 Heating efficiency credits for replacement boilers 21 2.8 Biomass boilers 24 Section 3: Heat pumps 25