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Fuel Factor Selection for TER Calculation
2.15NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings
The fuel factor used to calculate the TER should be taken from Table 2.1 as follows – (a) where all space heating appliances and domestic hot water heating appliances are served by the same fuel, the
dwellingenergyheatingFuel Factors Table
Table 2.1NI-wide·Technical Booklet F1 Conservation of Fuel and Power in Dwellings
Heating fuel Fuel factor Mains gas 1.00 LPG 1.10 Oil 1.17 B30K 1.00 Grid electricity for direct acting and storage systems 1.47 Grid electricity for heat pumps 1.47 Solid mineral fuel(1) 1.28 Any fuel
dwellingenergyheatingFabric improvements when heating system capacity is increased
3.85NI-wide·Technical Booklet F2 Conservation of Fuel and Power in Buildings Other Than Dwellings
Where the installed capacity per unit area of a heating system is increased – (a) the thermal elements (within the heated area served) that have U-values greater than those given in column (a) of Tabl
non-domesticenergyheatingPrevention of smoke emission
77NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
A combustion appliance installed in a building for the purpose of heating or cooking, and which discharges its combustion products to the external air shall be capable of, or readily adaptable to, the
dwellingnon-domesticheatingcooking