Ventilation and air-conditioning installation – Paderborn city hall renovation 2026 Tender
Original: Ventilation and air-conditioning installation work – Sanierung Stadthaus Paderborn; Raumluft- und Kältetechnik
Stadt Paderborn
In context
This is a contract notice published by a government body covering construction and works. Bids are invited through an open procedure. Delivery covers Germany (Europe). It is classified under Energy Efficiency, Sustainable Buildings and Heating and Cooling and 1 other against the sustainability taxonomy rather than matched on keywords.
This tender procures comprehensive ventilation, air-conditioning, and refrigeration system installation for a municipal building renovation in Paderborn, Germany, including ductwork, controls, and commissioning. Bidders should be HVAC contractors with experience in complex retrofit projects, building systems integration, and regulatory compliance in energy-efficient building renovation.
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About this tender
The Stadt Paderborn is procuring heating, ventilation and air-conditioning (Raumluft- und Kältetechnik) works as part of the comprehensive renovation of Buildings A, B and C of the municipal administration building at Abdinghof in Paderborn, Germany. The scope covers the supply, installation, connection, commissioning and balancing of ventilation systems. This includes central air-handling units with supply and extract air and heat recovery, decentralised ventilation units, and exhaust air systems. The work also includes air ducts and fittings, air outlets and volume flow controllers, silencers, and fire dampers, together with the required thermal and cooling insulation. The contract further includes the technical equipment and controls for the systems, including measuring, control and monitoring devices, and interface coordination with other trades, particularly electrical and building automation (MSR) works. For cooling, the scope covers chillers including indoor and outdoor units, refrigerant piping, components, refrigerant charging, refrigerant connections and commissioning. Ancillary services are included, such as fixings, openings and core drilling, site and installation services, labelling, documentation, hygiene inspections, testing, operator training, and full commissioning and handover. Ventilation systems must be measured and hydraulically balanced, with results documented. Works are to be carried out in an existing building, under constrained site and logistics conditions, and coordinated with other trades working in parallel. The expected contract duration is not stated on the page.
Key requirements
- ✓Supply, installation, and commissioning of ventilation and air-conditioning systems with heat recovery
- ✓Refrigeration plant installation including indoor/outdoor units, refrigerant lines, and low-GWP compliance
- ✓Ductwork, dampers, sound attenuation, fire-safety dampers, and thermal/acoustic insulation
- ✓Control systems, measurement, monitoring, and interface coordination with electrical and building-management trades
- ✓Hygiene inspections, pressure testing, documentation, and staff training on completed systems
Relevant sectors
About this sector
Energy efficiency funding covers building retrofits, industrial process upgrades, heat recovery, efficient equipment and demand reduction. It arrives as grants for audits and capital works, as support schemes run by agencies and utilities or as public tenders for retrofit and energy services. Applicants usually need a baseline of current energy use and a measured saving.
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