Boilers

(asked on 19th June 2019) - View Source

Question to the Department for Business, Energy and Industrial Strategy:

To ask the Secretary of State for Business, Energy and Industrial Strategy, pursuant to the Answer of 11 June 2019 to Question 258965, how test conditions for domestic boilers differ from real world in situ conditions.


Answered by
Chris Skidmore Portrait
Chris Skidmore
This question was answered on 25th June 2019

The test conditions in labs for domestic boilers assume steady state operation, weighted by full and part power measurements. The energy ratings given to boilers are therefore intended to provide a fair basis for comparison of the energy efficiency of different models. The wide variation in the energy efficiency of buildings that boilers are installed in and in user behaviours makes it difficult to consistently test boiler efficiency in real life conditions.

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