Refrigerant codes of practice

The Institute of Refrigeration has completely revised its A1/A2 and A3 refrigerant codes of practice following the publication of the revised European refrigeration safety standard BS EN 378:2008 ‘Refrigerating systems and heat pumps — safety and environmental requirements.

The suite of four IOR codes now includes: carbon dioxide; ammonia; A2 and A3 refrigerants (flammable halocarbons and hydrocarbons; A1 refrigerants (non-flammable halocarbons).

The institute’s technical committee acted as a peer reviewer for the revision of BS EN 378:2008.

For more information on this story, click here: Mar 09, 175
Related links:
Related articles:



modbs tv logo

Fujitsu General Air Conditioning becomes GENERAL HVAC Solutions UK

Fujitsu General Air Conditioning (UK) has become GENERAL HVAC Solutions UK from 1st January 2026, strengthening its long-term position within the global Paloma Rheem Holdings (PRH) group.

Market performance indicates encouraging signs for future of BEMS sector

Highlighting an increased desire from property developers, architects and designers to decarbonise the UK’s building stock through the specification and implementation of building controls and automation, the building energy management systems (BEMS) market showed steady progress in Q3 – rising 2.6% compared to the previous quarter.