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All toolsCalculatorsMechanicalRefrigerant Charge / Room Concentration Limit

Refrigerant Charge / Room Concentration Limit

Check a refrigerant system charge against the BS EN 378 practical/concentration limit for the room volume, with pass/fail, minimum room volume and maximum permitted charge.

Refrigerant

System charge

kg

Design/nameplate system refrigerant charge

Room

m²
m
m³
Enter the refrigerant charge and room size to check the concentration limit
ensign.software · 28 October 2026The Ensign Toolbox