Ersatz Gasheizung durch Luft-Wasser-Wärmepumpen, Flössergasse 15, 8001 Zürich

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Location: Canton ZH
Procuring office: Liegenschaften Stadt Zürich (LSZ)

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Awarded

According to the simap publication. Values that are not given are deliberately missing here.

Awarded to

As published on simap.ch: winner and price (with or without VAT, as stated).

Award of 29.04.20253 bids
- Koster AG Gebäudetechnik, ZürichCHF 531’487.70 incl. VAT

Awards of this contracting authority

Justification

Die Firma Koster AG, Gebäudetechnik reichte ein vollständiges Angebot ein. Sie erfüllte die Eignungskriterien und Musskriterien und erzielte eine gute Erfüllung der qualitativen Zuschlagskriterien. Die Firma Koster AG, Gebäudetechnik weist das wirtschaftlich vorteilhafteste Angebot auf.

AI summary

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In brief
Services
Requirements
Conditions
Dates
Award criteria

An example of the structure without content: no summary is stored for this tender yet.

What is being procured?

Scope of work

Gegenstand und Umfang dieser Ausschreibung ist der Ersatz der Gasheizung durch sechs Luft-Wasser-Wärmepumpen. Die Heizung wird an der Flössergasse 15 in 8001 Zürich installiert, die Ausseneinheiten der Wärmepumpen werden jedoch auf dem Dach des Nebengebäudes an der Flössergasse 13 positioniert, gemäss den Ausschreibungsunterlagen Plan Dachaufsicht und Ansicht Flössergasse 13. Die Anforderungen und die damit einhergehenden Leistungen sind im Teil B detaillierter beschrieben.

Key facts, codes and options

Type of contract: Construction and installation
Type of construction: Building construction
Construction service: Execution
Procedure: Open procedure
Trades: BKP 24 – HVAC installations, building automation
BKP 25 – Sanitary installations
CPV: CPV 39715000 – Water heaters and heating for buildings; plumbing equipment
CPV 42512300 – HVAC packages
CPV 45331000 – Heating, ventilation and air-conditioning installation work
Options: Not evident from the available publication data.
Variants: Not evident from the available publication data.
Partial offers: Not evident from the available publication data.

TEXFY assessment: Products, installations, quantities, technical specifications and exclusions are not structured fields of the publication. TEXFY does not analyse the free text on them: check the original text and the tender documents.

Official source

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simap project number: 10457
Publication number: 10457-02
Covered by international agreements: No

Checked against simap: 11.11.2026, 08:08

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