Heat Pump System Sizing & HVAC Installation: SIA 384/1, FWS System Module & Swiss ChemRRV Refrigerant Logs
Operational guide for Swiss HVAC contractors and building services engineers: heat pump sizing under SIA 384/1, Heat Pump System Module certification (FWS), ChemRRV refrigerant auditing, BKP 241, and cantonal energy subsidy filing.