Daikin brought more than 800 HVAC professionals to Puy du Fou España to confront the EU's tightened F-Gas rules and the shift away from a single-refrigerant world. The pitch to the installer channel: train, adapt and embrace a mix of technologies and refrigerants matched to each installation. For FM teams running heating and cooling estates, it signals that future plant procurement will be refrigerant-diverse, not one-size-fits-all.