AS/NZS 5149.1
AS/NZS 5149 Refrigerant Charge Calculator
Assesses maximum refrigerant charge limits for occupied spaces using toxicity and flammability criteria.
Interactive calculator
Enter your project parameters below to calculate an indicative result.
Important guidance
This calculator provides guidance and an engineering estimate only. It does not replace project-specific design, verification or professional engineering advice. Confirm inputs, assumptions and the applicable edition of each referenced standard before relying on a result.
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