Source: https://tendernation.io/opportunities/01a140a1-8897-72bd-99de-891733630317/germany-ventilation-and-air-conditioning-installation-work-technische-aussta closed DE open procedure Suitable for SMEs # Ventilation and air-conditioning installation work – Technische Ausstattung - Kälte, Lüftung, Wasser - für den Hauptbahnhof Mülheim [Ruhrbahn GmbH](https://tendernation.io/buyers/ruhrbahn-gmbh) Estimated value Not stated Published 16 Dec 2025 Deadline Closed 22 Jan 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Die Ruhrbahn GmbH (im Nachfolgenden Ruhrbahn, bzw. Auftraggeber) ist ein Verkehrsunternehmen im Ruhrgebiet, welche die Mobilität in den Städten Essen und Mülheim durch die Erbringung eines öffentlichen Dienstleistungsauftrages sicherstellt. Im Rahmen der umfangreichen Umbaumaßnahmen am Mülheim Hauptbahnhof sind am Bahnsteig HLS-Installations-Arbeiten erforderlich. Gegenstand der Vergabe ist die Lieferung und Montage von Kältetechnik, Lüftungstechnik, Bewässerungstechnik, Entwässerungstechnik, die Versorgung mit Löschwasser sowie die Erweiterung der technischen Bereiche hierzu. ## CPV classification Ventilation and air-conditioning installation work Installation work of refrigeration equipment Ventilation installation work Drainage construction works Irrigation works Firefighting equipment installation work Source Tenders Electronic Daily (EU) · Notice 836546-2025 [View official notice](https://ted.europa.eu/en/notice/836546-2025) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Ruhrbahn GmbH: past awards and live tenders](https://tendernation.io/buyers/ruhrbahn-gmbh) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Hdc-1714 wadkins pavilion refurbishment · Harborough District Council · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a155bf-f664-72f9-9823-a85d6cddbdc6/hdc-1714-wadkins-pavilion-refurbishment) [Design, supply, and Installation of Newbiggin Skatepark Extension · Newbiggin Town Council · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15552-19a2-7348-a5cc-3f5ae51ef934/design-supply-and-installation-of-newbiggin-skatepark-extension) [Tender for the design, supply, delivery and installation of a modular UNIT and associated works at ARC healthy living, irvinestown. peaceplus funded upgrade works · Fermanagh and Omagh District Council · 14 days left · 2 Nov 2026](https://tendernation.io/opportunities/01a15552-1b74-73ec-a6f6-a1af37959997/tender-for-the-design-supply-delivery-and-installation-of-a-modular-unit-and-a) [ESPH AB RDC Sidley Depot (ESPH753) · Rother District Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a15552-1d19-7155-8fe0-0d917105fca8/esph-ab-rdc-sidley-depot-esph753) [Demolition, Design and Construction of Howard's Lane Public Toilets, Howard's Lane, Wareham · Wareham Town Council · 88 days left · 15 Jan 2027](https://tendernation.io/opportunities/01a15552-1d8a-7277-bc5b-edc9a127ee5b/demolition-design-and-construction-of-howards-lane-public-toilets-howards-la)