The End of R22 in the UK R22 (chlorodifluoromethane) was the workhorse refrigerant of UK air conditioning and refrigeration for decades. As an HCFC, it contains chlorine and was found to contribute to ozone layer depletion. The UK, as part of its obligations under the Montreal Protocol, banned the use of virgin R22 from 2010 […]
Refrigerant Selection in UK Commercial Refrigeration Commercial refrigeration encompasses a wide range of applications — from small under-counter cabinets to large industrial cold stores. The right refrigerant depends on the application temperature range, system size, energy efficiency targets and F-Gas compliance requirements. Common UK Commercial Refrigeration Refrigerants R404A — Legacy Medium and Low Temperature R404A […]
R507A and R404A: Two Refrigerants, Similar Applications R507A and R404A are both HFC blends widely used in UK low-temperature commercial refrigeration. They are often specified for similar applications — frozen food display cabinets, blast freezers, cold stores and transport refrigeration — and are frequently compared when engineers specify or service low-temperature systems. Key Differences Composition […]
The Shift From R410A to R32 in UK Air Conditioning The UK air conditioning market has been transitioning from R410A to R32 for several years. Understanding the differences between these two refrigerants helps engineers, installers and building managers make informed decisions about new installations and system replacements. Side-by-Side Comparison Property R410A R32 GWP 2088 675 […]
Why Natural Refrigerants Are Growing in the UK Natural refrigerants — CO2, ammonia (R717) and propane (R290) — are gaining ground in UK refrigeration and air conditioning as the pressure to move away from high-GWP synthetic refrigerants intensifies. Unlike HFCs, natural refrigerants have negligible direct climate impact and are not subject to F-Gas phase-down quotas. […]
Choosing the Right F-Gas Qualification in 2025 Holding a current F-Gas qualification is mandatory for UK refrigeration and air conditioning engineers. With heat pump installations rising rapidly under the Boiler Upgrade Scheme and refrigerant phase-downs accelerating, demand for trained engineers has never been higher. Main UK F-Gas Qualifications City & Guilds 2079 The most widely […]
Why Refrigerant Recovery Is Legally Required Under UK F-Gas Regulations, it is illegal to vent R134a or any other fluorinated refrigerant to atmosphere. Before any work that involves opening a refrigerant circuit — including component replacement, decommissioning or system transfer — the refrigerant must be recovered into an approved recovery cylinder. Equipment Required for R134a […]
Understanding F-Gas Certificate Categories When engineers refer to F-Gas Category I or Category II certification in the UK, they are describing the scope of work covered by their qualification. The distinction is important because it determines which systems an engineer can legally work on. Category I: Full Certification Category I (or F-Gas Cat I) covers […]
Recovering R32 From Heat Pumps and AC Systems As R32 becomes the dominant refrigerant in UK heat pumps and split air conditioning systems, the need for proper R32 recovery procedures is growing rapidly. Venting R32 is illegal under UK F-Gas Regulations and its A2L (mildly flammable) classification adds specific safety requirements to the recovery process. […]
Why Your Car’s AC May Need a Specialist If your vehicle was manufactured after 2017, there is a strong chance its air conditioning system uses R1234yf refrigerant rather than the older R134a. While both are HFC or HFO refrigerants used in automotive AC, they are not interchangeable — and R1234yf requires specific equipment and training […]
