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City & Guilds 2079

  • F Gas Regulation Certification

F-Gas Certification – City & Guilds 2079 for Cat IV
To obtain City & Guilds 2079 Certification for category IV - Leak Testing - you will need to pass a theory test involving 16 questions and a practical assessment, including:

Entry Requirements:

To undertake this qualification, you must have a basic understanding of how refrigeration and air conditioning systems work.

How does it work?
You will prepare for the theory element of the qualification by studying the online course on F-Gas Regulations, accessible via “My Learning Account”, at your convenience. Once you are ready, you set a date to come to any Star Refrigeration UK branch to carry out the practical training and assessment.

Entry Requirements:

To undertake this qualification, you must have a basic understanding of how refrigeration and air conditioning systems work.

Assessment Dates:

Every week:
Aberdeen - Tuesday and Thursday
Bristol - Wednesday
Derby - Thursday
Glasgow - Tuesday and Friday
Leeds - Thursday
London - Wednesday and Thursday
Manchester - Thursday
Newcastle - Wednesday
Oxford - Wednesday and Thursday


1 Day

Contact Marie on for further information and availability.

The City & Guilds 2079 theory & practical tests will involve:

Theoretical Assessment Topics

  • SI units of measurement.
  • The effects of HFCs and HFC systems on the environment and energy efficiency.
  • System monitoring and indications of leakage.
  • Potential leakage points.
  • Equipment record requirements.
  • Function of system components and their associated leak risk.
  • Knowledge of HCFC refrigerants and their effect on the environment.

Practical Assessment Tasks

  • Analysis of system performance to ensure efficiency (using information from the system, without attaching gauges).
  • Leak test to EC1516/2007.
  • Maintain F-Gas log books and records.
  • Identify potential leakage points.
  • Describe the hazards associated with refrigerant release.

The F-Gas Certification – City & Guilds 2079 for Cat IV package offers you a theory online preparation course plus a one day training & assessment at any Star branch.

City & Guilds Registration and Certification fee of £60 + VAT are additional to the prices above.

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Enrolment Form Enrolment Form

Select the certification package you wish to undertake. Once you have paid, please fill in the attached enrolment form and email it to

F-Gas Training Session Minutes Enrolment Form

These notes were collected by our assessors while carrying out a practical training session for 2 engineers prior to the City & Guilds 2079 assessment. This information will give you an overall view of what is involved.

F-Gas Method Statements & Risk Assessments Enrolment Form Enrolment Form Enrolment Form Enrolment Form

During your F-Gas Certification assessment you will be asked to follow a safe system of work and as such would be expected to follow the procedures laid out in the attached method statements and PPE defined in the risk assessments. Print them out and bring them with you on the day of your City & Guilds 2079 assessment.

F-Gas Assessment Photos Enrolment Form

These pictures show the candidate brazing a piece, charging refrigerant into the system, identifying the refrigerant, pressure testing, leak testing, evacuating the system and keeping safety records.