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TENDERgovernmentworks

Heating, ventilation and air-conditioning installation work – school building renovation in Germany Tender

••••• Municipality

Summary

This tender procures HVAC system installation and building management controls for a school renovation in Bielefeld, Germany, including ventilation units with heat recovery, ductwork, CO2 sensors, and control cabinets. Bidders should be mechanical/HVAC contractors with experience in educational building retrofit and building automation systems.

Summary by Raise Lens from the official notice · 9 Sept 2026Accurate?

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About this tender

Installation of heating, ventilation and air-conditioning (HVAC) systems and measurement/control/regulation (MSR) technology at Gesamtschule Rosenhöhe, Bielefeld. Scope includes: demolition of existing ductwork (up to 50m²) and ventilation pipes (DN 100-400, approximately 120m); installation of ceiling-mounted ventilation units with heat recovery (various capacities up to 2,500m³/h); weather-resistant external ventilation units with heat recovery; CO2 traffic light indicators (88 units); approximately 800m² of new ductwork and 250m of ventilation pipes (DN 100-355); duct/pipe insulation (appro …