2079 · F-Gas & heat pumps revision

F-Gas Category 1 revision notes

The GB F-Gas Regulations: GWP and CO2-equivalent, refrigerants and safety classes, leak checking and records, certification, and safe recovery and handling.

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F-Gas regulation & GWP

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What F-Gases Are and Why They Are Controlled

How F-gases are defined, why their high GWP makes them controlled, and what the GB F-Gas Regulation requires.

Refrigerants & safety classes

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Refrigerant Families and Safety Classification

The main refrigerant families, how their GWP compares, and how the A/B and 1 to 3 safety classes work.

Leak checking & records

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Leak Checks, Frequencies and Records

The CO2-equivalent thresholds that trigger leak checks, the minimum frequencies, and the records to keep.

Certification & who may work

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Who May Work on the Refrigerant Circuit: F-Gas Certification

Who may break into the refrigerant circuit, the personnel categories I to IV, the company certificate, who may buy refrigerant, and why certification exists.

Recovery, handling & safety

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Safe Recovery, Evacuation and Refrigerant Hazards

Recovering refrigerant before any work or disposal, safe use of recovery cylinders, evacuation before charging, and the asphyxiation, cold-burn and flammability hazards.

Keep refrigerant quantities and responsibilities distinct

When revising F-Gas questions, distinguish refrigerant mass from its CO2-equivalent and identify the equipment and activity described. Explain the information needed for a calculation or record instead of choosing a familiar number without its context.

The F-Gas certification guide explains who needs which category, the leak-check thresholds and the record duties in one place. The air-source heat-pump notes connect refrigerant-system knowledge to the wider heating installation. Follow the current requirements for your jurisdiction and qualification; a heat-pump installation topic and permission to undertake refrigerant work are separate matters.

More F-Gas & heat pumps modules

Every module has its own revision notes and question bank.

Air Source Heat Pumps