Study tips, exam guides, and everything you need to know about F-Gas certification.
A practical breakdown of the basic refrigeration circuit — compressor, condenser, metering device and evaporator — and how the vapour-compression cycle moves heat, framed for your City & Guilds 2079 F-Gas assessment.
Read more →A clear, component-by-component walk through the vapour compression refrigeration cycle and why every F-Gas technician must understand it before sitting the City & Guilds 2079 assessment.
Read more →Master the four core stages of the vapour-compression refrigeration cycle and learn how superheat, subcooling and saturation underpin safe F-Gas practice.
Read more →A clear walkthrough of the basic vapour-compression refrigeration cycle, mapped to the knowledge you need for City & Guilds 2079 and EU F-Gas Regulation 517/2014 assessment.
Read more →An overview of the EU F-Gas Regulation review, the new IEC 60335-2-40 Edition 7 safety standard, and what these changes mean for refrigeration engineers and F-Gas certification candidates.
Read more →A practical guide to the EU F-Gas phasedown mechanism, how HFC quotas work, and what the 79% reduction by 2030 means for refrigeration engineers.
Read more →A practical guide to the EU F-Gas Regulation 517/2014 phase-down, leak test changes and the shift towards CO2 and R290 in commercial refrigeration.
Read more →Effective F-Gas record-keeping is essential for regulatory compliance — here's how to manage systems, cylinders, and log entries to meet EU F-Gas Regulation requirements.
Read more →A practical guide to the key pieces of equipment used in F-Gas refrigerant handling, from recovery machines and vacuum pumps to leak detectors and brazing sets.
Read more →A comprehensive guide to F-Gas training and certification, covering who needs it, what the qualification involves, and how to prepare for the City & Guilds 2079 assessment.
Read more →A step-by-step look at what happens on an F-Gas practical training course, from fitting gauges and recovering refrigerant to pressure testing and system charging.
Read more →Discover the most commonly tested topics in the F-Gas certification exam and focus your study time on what matters most.
Read more →Understand the differences between F-Gas certification categories I, II, III and IV, and find out which qualification you need for your work.
Read more →A comprehensive overview of the EU F-Gas Regulation 2024/573 (which repealed 517/2014) and its impact on HVAC technicians, including phase-down schedules, GWP limits, and UK Retained F-Gas Law.
Read more →Everything you need to know about passing the F-Gas certification exam, including study tips, exam format, and preparation strategies for HVAC technicians.
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