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Modern technology in historic school building
In connection with a renovation in 2022, ten classrooms at the Evangelical School “Stephan Roth” in Zwickau were equipped with the decentralised ventilation units in the DEX3000 series from EXHAUSTO. Since then, teachers and students have been able to enjoy significantly improved indoor air quality in the historic buildings.
Project ID
The current Evangelical School Stephan Roth in the Cainsdorf district of Zwickau can be traced back to 1849. The buildings have a changeable history behind them, including as a polytechnic secondary school and as a primary school in the Free State of Saxony until 2012.
Since then, it has been run by the institution “Christen Machen Schule” as a single-track evangelical primary school, “Stephan Roth”. The Evangelical Schools in Saxony are state-recognised private schools.
The pedagogical and conceptual diversity is gathered in the evangelical profile, which forms the basis of the school’s Christian vision. “Main subject: Humans”, it is consistently highlighted on the school’s website, and the school would like to be able to meet this requirement in connection with the latest initiative to improve the indoor climate for pupils and teachers.
In addition to optimising air quality with the coronavirus pandemic in mind, this also included reducing pathogens in the indoor air. At the same time, the focus was on as high an energy efficiency in the ventilation solution as possible.
Remedial action
It was only possible to use decentralized units
Due to the technical building conditions and the ongoing operation of the school, it was not possible to install a central ventilation system. In connection with the further planning, the managers from the private school first met with Denny Kühnert, Technical Sales of Ventilation Solutions at EXHAUSTO, for a reference meeting in a school project that had already been successfully completed.
Together with the planning manager, the engineering company Kunkel (Zwickau), the decentralised unit series EXHAUSTO DEX3000 was selected.
It includes the models DEX3060 (air capacity 150 – 650 m³/h), DEX3090 with an air capacity of 150 – 900 m³/h and DEX3120 with an air capacity of 300 – 1,400 m³/h. All three models are available in a ceiling-mounted or semi-integrated version.
A total of ten DEX3090 units were installed in the ceilings with an air capacity of up to 900 m³/h , corresponding to the size of the classrooms at Stephan Roth Evangeliske Skole. The installation was carried out by a team from InovaTech GmbH (Meerane).
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