F-GAS 1 / THE KNOWLEDGE HUB

Practical F-Gas Knowledge, Training & Engineering Insights

Practical advice on F-Gas qualifications, air conditioning, heat pumps and refrigeration engineering from John Boyle at F-Gas 1 Training Services.

Passed Your F-Gas Qualification but Still Not Confident on Site?

Build practical confidence after qualifying, with focused support on pressure testing, evacuation, recovery and commissioning.

Published 8 November 2026 · 5 min read · John Boyle

A general commissioning checklist covering preparation, refrigerant work, functional checks, records and customer handover.

Published 8 November 2026 · 5 min read

Distinguish leaks, moisture, outgassing and evacuation-equipment problems when vacuum readings do not behave as expected.

Published 8 November 2026 · 5 min read

Understand Category 1 scope, the difference between individual and company certification, and the limits of qualification alone.

Published 8 November 2026 · 4 min read

A practical guide to focused refresher coaching for qualified engineers returning to work or moving into unfamiliar AC and heat pump systems.

Published 8 November 2026 · 5 min read

Questions training centres can use to assess technical experience, teaching ability and fit with their assessment procedures.

Published 8 November 2026 · 5 min read

Investigate poor heat pump performance with a systematic approach to heat transfer, controls, sensors and refrigerant-side evidence.

Published 8 November 2026 · 5 min read