Heating, ventilation and air-conditioning installation work: Switzerland public contracts since 2024

Updated 12 October 2026 · all lines

Heating, ventilation and air-conditioning installation work: Switzerland public contracts since 2024. Since January 2024 the line carries 178 award notices from 96 buyers. 105 suppliers share it. 67 in 2024. 64 in 2025. 47 in the first 9 months of 2026. 34 of them had no award notice in the register from November 2023 to 2024.

Assay record ASY-CH-1L18GKE1O2 · Cite as: Assay Systems, “Heating, ventilation and air-conditioning installation work: Switzerland public contracts since 2024”, https://assay-systems.com/register/ch/line/heating-ventilation-and-air-conditioning-installation-work/

The line

Since January 2024 the line carries 178 award notices from 96 buyers. 105 suppliers share it.

67 in 2024. 64 in 2025. 47 in the first 9 months of 2026.

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

Suppliers in the line, by award notices since 2024

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.

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 Switzerland.

Equans Switzerland AG4.5%SEGER Lufttechnik AG4.5%Hälg & Co. AG, succursale de Plan-les-O…3.9%gex sa ventilation - climatisation3.4%Alltech Installationen AG2.8%Climatec SA2.8%Die Klimamacher AG2.8%W. Rokitzky AG2.8%Airba AG2.2%MINO SA2.2%

All suppliers in Switzerland, A to Z

Source: contract award notices for Switzerland 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.