Public contracts of Guyancourt · 2026 · Construction and buildings

Installations de chauffage, eau chaude sanitaire, ventilation, climatisation et GTB/GTC

€250k

maximum contract amount over 5 years — what was paid on it is not published

Signed on 6 July 2026 · running until about July 2031 · 5 yrs

Ongoing6 Jul 2031

That is at most ~€50k a year on average: a maximum too.

Company selected

Hydro MaintenanceTravaux d'installation d'équipements thermiques et de climatisation · registered office Cormeilles-En-Parisis (95240) · headcount 6 to 9 employees · SIREN 907461180

The competition

5 bids received

Median for this procedure in 2026: 3 bids, across 10514 comparable contracts. Open tender · awarded to 1 company

Open data gives the contract holder and the number of bids. The identity of unsuccessful bidders is not published.

Number 5 by amount of the 18 contracts Guyancourt published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Mixte

Published amendments : none

Subcontracting declared : no

Environmental considerations : Critère environnemental, Clause environnementale

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.