Supported by the following organizations
This is to certify that JASNA FRIDEL successfully completed and received a passing grade in ECObuild4x: Efficient HVAC Systems a course of study offered by DelftX, an online learning initiative of Delft University of Technology.
Noted by
Professor Arno Smets
Education Director TU Delft | Learning for Life on behalf of the Quality Assurance Board Delft University of Technology
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- Verified Certificate Issued October 27, 2026
- Valid Certificate ID f1a9374c6e744dada7c2bfcb185130af