For installers & pros
Regulated
F-gas leak-check interval calculator
Enter the refrigerant, its charge and whether fixed leak detection is fitted to find the CO₂-equivalent charge and the minimum mandatory leak-check interval under the GB F-gas Regulation.
F-gas leak check
Work out the CO₂-equivalent charge and the minimum mandatory leak-check frequency.
GWP of R32: 675
GWP
kg
Fixed automatic leak detection fitted?
Enter a charge and a valid GWP to see the leak-check interval.
Compliance notes
- Keep leak-check and maintenance records for at least 5 years.
- Work must be done by a certified engineer (City & Guilds 2079) or a REFCOM-certified company.
Verified: June 2026 — re-check against official sources before relying on it.
GB F-gas Regulation. Verify the official GWP and current thresholds for compliance — this is a guide.