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Comparison between calculated and billed building energy consumption values of schools and daycare centers

Research output: Contribution to journalConference articleScientificpeer-review


Original languageEnglish
Article number02085
Number of pages6
JournalMATEC Web of Conferences
Publication statusPublished - 2019
Publication typeA1 Journal article-refereed
Duration: 1 Jan 1900 → …


In many countries, building regulations set requirements for energy efficiency, which must be fulfilled in order to have a building permit. Because the actual building does not yet exist, the calculations are done in the early design phase with approximate input data. This paper presents results from dynamic whole-building simulations and compares the results to monthly calculation results, billed energy consumption and to a small number of central building energy efficiency parameters. According to the results, using a more sophisticated calculation tool does not necessarily improve the accuracy of the calculation results, if the capabilities of the tool are not properly utilised. Although there was a clear difference between the calculated and billed values, lower calculated energy consumption did correlate with lower billed values. Besides the need for extra effort to ensure accurate input data in general, input values related to infiltration and ventilation should be evaluated especially carefully.

ASJC Scopus subject areas


  • building energy consumption, simulation, Building physics, calculated building energy consumption, billed building energy consumption

Publication forum classification

Field of science, Statistics Finland

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