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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsRepair and Maintenance Services for Air Conditioning Units
    Awarded contract

    Repair and Maintenance Services for Air Conditioning Units

    Awarded
    €253.1k
    Published 23 Dec 2025

    The main building requires the gradual replacement of air conditioning units (ULKs) due to their poor quality. The heavy casing is particularly problematic, leading to the breakage of the plastic condensate trays. Initial attempts to weld the trays were only moderately successful. Since the condensa

    🇩🇪GermanyPublished 23 Dec 2025· 7 months agoviaTED
    Awarded
    €253.1k
    Published 23 Dec 2025

    Decision brief

    4 fields
    • Contract value
      €253,125
      Euros
    • Closing date
      Rolling
      No closing date published
    • Sector
      Facilities Management
      Browse related listings
    • Location
      🇩🇪Germany

    Suppliers

    2 suppliers
    • ZH
      Zimmer + Hälbig GmbH
      Lead contractor
    • ZH
      ZIMMER HLBIG GMBH
      Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 7 months ago.

    23 December 2025
    Awarded — no open tender advertised

    Brief

    The main building requires the gradual replacement of air conditioning units (ULKs) due to their poor quality. The heavy casing is particularly problematic, leading to the breakage of the plastic condensate trays. Initial attempts to weld the trays were only moderately successful. Since the condensate tray also serves as the main housing for the air conditioning unit, no other repairs are possible, necessitating a complete replacement. Additionally, maintenance is severely limited, making it impossible to ensure thorough cleaning according to VDI 6022 standards. Consequently, a comprehensive inspection has been difficult. To address this issue gradually, the air conditioning units will be replaced step by step, depending on the needs and scheduling of laboratories, exams, and other events. Due to the significant variation in the disassembly and assembly of the ULKs, such as different installation heights and configurations (in ceiling casings, suspended, etc.), precise cost estimation in advance is not feasible. Therefore, the billing for the work will be based on hourly records.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

    In facilities management, BIELEFELD UNIVERSITY has awarded 2 contracts to 2 suppliers.

    Who wins here
    1. Zimmer + Hälbig GmbH1× · 50%
    2. ZIMMER HLBIG GMBH1× · 50%

    Across facilities management, the most active winners are NHS SUPPLY CHAIN COORDINATION LIMITED NHSSC SCCL, TUNSTALL HEALTHCARE UK LTD, GE HEALTHCARE LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View on sourceTED

    Award notice and full record on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    860137-2025
    BU
    Buyer
    BIELEFELD UNIVERSITY
    Sector
    Facilities Management