Ziezo Tool as Part of the Engineering Doctorate Thesis: 
"Window-integrated Bifacial PV Coupled with Solar Shading: A Multi-Parameter Model and Tool to Evaluate Daylight and Energy Performance"

** Introduction: **
Ziezo Tool is an application that captures the daylight and energy performance of Ziezo Window systems. The tool has been developed as part of the Engineering Doctorate thesis: "Window-integrated Bifacial PV Coupled with Solar Shading: A Multi-Parameter Model and Tool to Evaluate Daylight and Energy Performance". The thesis and work have been carried out by Mina Ishac, within the Chair of Building Performance Group in the Building Physics and Services Unit at Eindhoven University of Technology.

** Author: ** Mina Ishac
** Contact Information: ** mina.ishac@gmail.com
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** Overview: **
Ziezo Tool is an application that captures the daylight and energy performance of Ziezo Window systems, adapted to dynamic climatic conditions, window sizes and orientations. It aims to be informative, user-friendly and interactive. The tool captures the momentarily and annual daylight in light of solar radiation profiles of Eindhoven in the Netherlands to better understand the dynamic climatic conditions that affect lighting levels. The tool presents monthly and annual energy consumptions, and provides insights into the optical and thermal properties of Ziezo window. The tool retrieves simulation data, performs basic analysis on the data, and then presents this data to the user. The tool was designed in Visual Basic for Applications (VBA) for Pilkington Nederland B.V. as the target end-user of the tool. An overview of all Ziezo cases in the tool, explanation of detailed functions, inputs, key performance indicators of the outputs, boundary conditions of the model, use cases can be found in the Engineering Doctorate thesis. Please watch the demonstration video of the tool in the resources link below, and preferably prior to running the application.

** Installation and Operability Notes: **
1) Choose the type of installer that is convenient to you: 1) setup, or 2) executable. If you chose the executable installer, it is recommended that you allow Windows Defender to run the application. Click more info and Run anyway. Then, the tool file will run after allowing it.
2) The display of Ziezo application runs best at a recommended screen resolution of 1920 x 1080.
3) In order for the application to run properly, please change the display setting in your computer from comma to dot before running the application, through these steps:
Control Panel > Clock and Region > Region > Additional settings. change the Decimal symbol to dot (instead of comma). Then, apply ok and apply again. You don’t have to restart. Then run the application.
4) It is best to keep the external simulation files closed at the time of
running the application.
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** Resources: **
- Engineering Doctorate open-access thesis (TU Eindhoven, March 2025): [Link to Thesis](https://research.tue.nl/nl/publications/window-integrated-bifacial-pv-coupled-with-solar-shading-a-multi-)
- Ziezo Tool Dataset (DOI): [https://doi.org/10.4121/916a97de-3bc0-4c8e-ba0d-e8ba683ce808]
- Ziezo Tool Demonstration Video: [Watch Video](https://youtu.be/JAfMejBy32o)
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** Disclaimer: **
The Ziezo Tool is provided "as-is," with results based on a simplified model of Ziezo system in a typical European office environment for research purposes, and according to the accuracy needed for this specific project. The author makes no representations or guarantees regarding the outcomes derived from the tool. Please refer to the Engineering Doctorate thesis for a complete and detailed explanation of the tool's theoretical framework, background, target user, and use cases. For any technical questions, please feel free to contact the author at mina.ishac@gmail.com.
