There is no Heating Boiler Efficiency Rating system in Australia, and there is unlikely to be for several years (until at least 2020). So when purchasing or selecting an efficient heating boiler the most effective comparisons can be made by referring to the ‘Sedbuk’ rating system used in Europe. ’Sedbuk’ is the accepted standard for the UK and Europe (Stands for; Seasonal Efficiency of a Domestic Boiler in the UK’) and effectively measures a boilers efficiency.

The lack of an Australian Heating Boiler rating system is made more confusing for the consumer as ‘Domestic Hot Water Boilers’ do have a rating system (The Aust Gas Assoc 6 Star Rating System), it is only ‘Heating Boilers’ that do not. This is because the Space Heating Boiler market in Australia is still relatively small compared to Europe, and the legislation & procedure required to put in place has not been undertaken.This means the consumer has to be extremely diligent in boiler selection to ensure the greatest efficiency. To establish a context, a standard Heating Boiler of the type found in most typical Australian installations (15 yrs or older) would be rated an ‘E’ to a ‘G’ on the Sedbuk scale. A more modern ‘traditional’ Boiler installation of the type currently being used would be rated a ‘D’. To compare, the entry level BAXI Luna3 ‘traditional’ type boiler is rated a ‘C’.