Yes: above 70 kW of heating or air-conditioning capacity, an existing tertiary building must have a building automation and control system by 1 January 2030 at the latest, or on replacement of its system if earlier. This deadline, originally set for 2027, was postponed by the decree of 26 December 2025. Above 290 kW, the obligation has applied since 1 January 2025, unless a payback period of more than 10 years is demonstrated.
Read the source article: French Tertiary Decree and BACS: landlord and tenant duties