Reliable tools for in-depth analysis for better building performance

Buildings’ energy saving potentials

To help you achieve your buildings' energy saving potentials, Siemens follows a systematic approach. As part of this multilevel planning circle, an in-depth analysis and reliable estimates of energy savings are conducted, all supported by different tools that are based on each other.

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Energy Performance Classification (EPC) Tool

The tool allows a quick analysis of the installed plant and an estimation of potential energy savings and payback time. It assesses the BACS Energy Performance Classification of your building based on the standard EN 15232.

It provides the following key functions:

  • Acquisition of the current state of an existing BACS and allocation of the controls to energy performance classes A to D

  • Determination of the new state of BACS following modernization and allocation of the controls to energy performance classes A to D

  • Determination of annual potential savings and indication in the respective currency

  • Providing information on payback time

  • Quick establishment of customized documentation


Energy Efficiency Calculator (EEC)

For a selected building with HVAC plant, the tool offers an in-depth analysis of the potential energy savings and the CO2 emission reductions made possible by BACS functions.

The EEC tool is a support tool serving the following main purposes based on local weather data and customers' building construction:

  • Showing potential energy savings resulting from various energy efficiency (EE) functions applied to the buildings and plants

  • Comparison of the calculated energy cost savings with the required investments and providing information on payback time.


Specification Text Selection Tool (STST)

Energy efficiency already starts in the planning phase of a building. To support professionals with specifications, Siemens developed the Specification Text Selection Tool (STST).

The STST is unique as it focuses on energy-efficient building automation and control. Featuring an extensive text database, the specifier can efficiently generate a neutral and functional specification based on energy efficiency functions, particularly related to the standard EN 15232.