EPASS HELENA
| EPASS HELENA | |
|---|---|
| Basic data
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| developer | Center for Environmentally Conscious Building V. Non-profit association at the University of Kassel |
| Current version | EPASS-HELENA 5 (Win) (2007, 2008) |
| operating system | Windows |
| category | Energy Saving Ordinance |
| License | Proprietary , free licenses for F + L and students |
| German speaking | Yes |
| www.zub-kassel.de/software | |
EPASS-HELENA is a planning and consulting software for the energetic evaluation of buildings for energy certificates, EnEV certificates, energy consulting, profitability calculations , for residential and non-residential buildings acc. Energy Saving Ordinance (EnEV), DIN V 18599 , DIN 4108 -6, DIN 4701 -10/12, EN 832 and EN ISO 6946 for consumption and demand-oriented calculations.
The software was developed in 2001 in cooperation with the University of Kassel , Gerd Hauser , the Fraunhofer Institute for Building Physics Holzkirchen, Saint-Gobain ISOVER G + H AG and the ebz süd and thus succeeded the company since the early 1980s Gerd Hauser developed the EPASS software (version 1 to 3), with which until then calculations according to Thermal Protection Ordinance (WsVO) were possible.
The program is considered a reference implementation and was already used when the EnEV 2002 was designed to validate it. The software is widely used in academia and universities. Free licenses are available for use in research and teaching as well as for students.
The manufacturer is involved in research projects to update and further develop the underlying standards:
- Research contract from the Federal Office for Building and Regional Planning (BBR): DIN V 18599 for residential buildings
- Research contract of the Federal Office for Building and Regional Planning (BBR): Extended usage conditions for non-residential buildings in accordance with DIN V 18599 (boundary conditions for new usage profiles)
The software enables multi-zone calculation in accordance with EN 832 and DIN V 18599.
Until the EnEV 2002 came into force, calculations of structural thermal insulation were basically still at a level of complexity that made manual calculations possible. Simple calculations with Excel tables were also very popular until then. Parallel to EPASS-HELENA , a free, Excel-based solution was also developed by the University of Kassel, which was widespread but was not able to establish itself. The more complex approach of the EnEV from 2002, taking into account the technical installations in buildings in accordance with DIN 4701, made such approaches generally uneconomical. In addition, there was an increasing number of independent energy consultations being carried out and publicly funded (for example by the Federal Office of Economics and Export Control , BAFA) or the KfW banking group (KfW) and, increasingly, a complex construction analysis and the comparison of a large number of possible renovation options for a building were necessary. The program integrates with the print module of the German Energy Agency (dena) the possibility of creating the public energy certificate for buildings.
The software is a pioneer in the field of energetic building planning. There are now a large number of other manufacturers who offer similar tools with a comparable or in some cases even greater range of functions or integrate them into other planning systems (such as TGA software). A study to compare different software solutions on behalf of the Federal Office for Building and Regional Planning (BBR) is currently being carried out by the IAIB , Klaus Fehlauer .
Literature and test reports
- Building energy consultant magazine, Gentner-Verlag, [1] issue 2008/6 on p. 44 ff.
- Hegner, Hans-Dieter - Energy certificates for practice, Bundesanzeiger Verlag, 2007, p. 126 ff.
- Bauphysik magazine, Ernst & Sohn Verlag, issue 2007/2, p. 8 ff.
- Building energy consultant magazine, Gentner Verlag, issue: Renovation according to EnEV - GEB 2007 Spezial, p. 26 ff.
- ISOLIER TECHNIK magazine, Lambda-Verlagsgesellschaft Berlin, issue 2006/6, p. 26
- EnEV software overview
- TU-Darmstadt - Software test of EnEV programs - Energy-efficient design [2]
- Test reports from ModernuS [3] from 2008 and 2009