TGD L 2011 – 1.4.2.1 – Heating appliance efficiency

1.4.2.1 The appliance or appliances provided to service space heating and hot water systems should be as efficient in use as reasonably practicable. For fully pumped hot water-based central heating systems utilising oil or gas, the boiler seasonal efficiency should be not less than 90% as specified in the DEAP manual and the associated Homeheating Appliance Register of Performance (HARP) database maintained by the SEAI (www.seai.ie/harp).

C:BCARTGDtgd LTGD%20L%20DWELLINGS%20-%202011TGD%20L%20-%20DWELLINGS%202011%20-%20SECTION%201.4.2.1.pdf