Leak Rate & Detection Calculators

Calculate the annualised leak rate for a system based on the amount of refrigerant added and the time period. Industry best practice targets a leak rate below 5% per year.

Total System Charge (kg)

Refrigerant Added (kg)

Period (days since last top-up or check)

Calculate Leak Rate

Calculate the running total of refrigerant in a system after additions or recoveries. Records must be kept for a minimum of 5 years for systems containing 5 tonnes CO2e or more.

Initial / Current Charge (kg)

Action Refrigerant Added (top-up) Refrigerant Recovered

Quantity (kg)

Refrigerant GWP R-410A (2088) R-32 (675) R-134a (1430) R-404A (3922) R-407C (1774) R-507A (3985) R-513A (631) R-290 (3)

Calculate New Total