Ventilation installation work: Germany public contracts since 2024

Updated 12 October 2026 · all lines

Ventilation installation work: Germany public contracts since 2024. Since January 2024 the line carries 1,195 award notices from 743 buyers. 610 suppliers share it. 402 in 2024. 441 in 2025. 352 in the first 9 months of 2026. 196 of them had no award notice in the register from November 2023 to 2024.

Assay record ASY-DE-0FGATIY0Y8 · Cite as: Assay Systems, “Ventilation installation work: Germany public contracts since 2024”, https://assay-systems.com/register/de/line/ventilation-installation-work/

The line

Since January 2024 the line carries 1,195 award notices from 743 buyers. 610 suppliers share it.

402 in 2024. 441 in 2025. 352 in the first 9 months of 2026.

196 of them had no award notice in the register from November 2023 to 2024.

Suppliers in the line, by award notices since 2024

27 more suppliers in the line are not listed here, because their register name may be the name of a private person.

The extract for this line

Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.

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Largest suppliers in the line

Share of the line held by each of its largest suppliers, by number of award notices, in the TED register for Germany.

Holthausen Kälte-, Klima- und Lüftungst…1.7%Otto Building Technologies GmbH1.7%ESW Luft- und Klimatechnik GmbH1.6%tib technik imbau GmbH1.3%Schenk & Plomer GmbH1.1%Rixner Brochier Gebäudetechnik GmbH1.0%WSH Wurzinger Klimatechnik GmbH1.0%Hagemann & Henrichsmann GmbH0.9%Einsiedler Services GmbH0.8%Gebäudetechnik Stocker GmbH & Co. KG0.8%

All suppliers in Germany, A to Z

Source: contract award notices for Germany in Tenders Electronic Daily (TED), Publications Office of the European Union, ted.europa.eu, reusable for commercial purposes under Commission Decision 2011/833/EU; notices from November 2023, when TED began to publish the winning supplier, to 30 September 2026, accessed 11 October 2026.Assay Systems has changed the data.