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Building EQ - Tools and methods for linking EPBD and continuous commissioning

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In the framework of Building EQ, Guidelines for the Evaluation of Building Performance have been developed. The Guidelines describe a 4-step procedure for the cost effective performance analysis following a general top-down approach that tries to combine the outcomes of the certification process according to EPBD with continuous commissioning. The idea of this top-down approach is to put effort in form of measurements and analysis only where and when necessary. The transition from one step to the next should only be performed if certain criteria are fulfilled. The objective of WP5 (Development of assessment-tools based on EPBD data) was to develop a set of tools that could support this 4-step procedure. The development had two lines: one was the enhancement of the existing tools of the industrial Partners (Granlund and ennovatis). The second line was a tool on European level, which has the following functionalities: data handling, data visualization and building model-based analysis.

The BEQ tool focuses on step 3 (FDD and optimization) and step 4 (monitoring) of the procedure. Correspondingly, it offers the following features which can support these steps:

  • Data handling: General features for storing time series data.
  • Data visualization “Intelligent” data visualization on the basis of the minimal data set that reveals “operation patterns”.
  • Building specific benchmark (Model based analysis) A simplified model of the building (zones + HVAC) is used for identification of faults and optimization potentials. Models in this context are based on the regulations of the CEN standard as much as reasonable.

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