Energy Performance Certificate
Energy demand and consumption statement, calculated in accordance with DIN V 18599 (GEG, Germany) and ÖNORM (OIB Guideline 6, Austria). Generated seamlessly from the same data set.
Getting an energy performance certificate these days takes up unnecessary time
For each certificate, the data is collected anew, reprocessed, and often a separate model is built. This takes time and requires a great deal of coordination. With OPTIMUSE, none of that is necessary: The certificate is seamlessly extracted from your existing database and can be issued through our partners—including the Fraunhofer Institute—or in collaboration with your own team.
Your Benefits
The certificate complies with the applicable local standards—DIN V 18599 in Germany, ÖNORM in Austria—and is officially valid for use in sales, rentals, and dealings with government agencies.
You can run through any measures and scenarios without incurring additional costs for each calculation. This allows you to see immediately how changes affect the financial statements.
You will receive all the raw data: the 3D model, the complete list of materials, and access to the stored master data—which can be used for further processes.
Exhibition Options
Unmarked
For customers with their own authorization to issue documents. You will receive the draft, sign it, review it, and enter it into your internal system yourself. No external review is required, so it can be used immediately for your purposes.
Signed
For customers who are not authorized to issue the document themselves. The document is verified and signed by a certified partner. The official document for legal and transaction-related requirements.
A Seamless Transition to the Energy Performance Certificate
No need to wait for external reports: You work directly in the model and have the finished report in hand when you need it.
Customers who obtained their energy performance certificate through us



















Frequently Asked Questions
For all types of buildings, both residential and nonresidential.
An energy performance certificate: It calculates the building’s energy demand based on the building envelope, building systems, and usage profile—regardless of actual user behavior. The calculation complies with DIN V 18599 (Germany) and ÖNORM standards, based on OIB Guideline 6 (Austria).
A current description of the building's structure, along with the floor plans. You can upload the floor plans in any format.
You can initiate the entire process at any time. Official registration is a one-time process, but changes can be incorporated on an ongoing basis—even during the planning or renovation process.
We develop and verify the calculation methodology in collaboration with established expert partners—in Germany with the Fraunhofer Institute (IBP:18599), and in Austria with ArchyPhysik. This ensures that the calculations comply with applicable standards and that the certificates are issued through certified partners. You can count on that.
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