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Tag: #SIA 382 (2)

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2026-08-21 trades

Commercial Refrigeration & HVAC Cooling: ChemRRV F-Gas Bans, SIA 382/1, and SVK Standards

Practical guide for Swiss refrigeration contractors and HVAC engineers: refrigerant phasedown under ChemRRV Annex 2.10, natural refrigerant transitions (R744/CO2, R290), leak testing mandates, heat recovery per SIA 382/1, BKP 244, and NPK 431.

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#Commercial refrigeration #HVAC cooling #ChemRRV #Refrigerant R744 #SIA 382/1 #Swiss Refrigeration Association #BKP 244 #Heat recovery

2026-08-19 trades

Ventilation Duct Sizing & Airflow Calculation: Swiss SIA 382/1, EN 1507 Airtightness Classes & Minergie Standards

Operational guide for Swiss ventilation contractors, sheet metal fabricators, and HVAC engineers: ductwork network sizing under SIA 382/1, leakage testing under EN 1507 / EN 12237, Minergie standards, VKF fire dampers, and BKP 244.

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#Ventilation Contracting #SIA 382 #Leakage Class EN 1507 #Minergie Ventilation #SWKI VA104 #VKF Fire Dampers #BKP 244 #HVAC Duct Software