As the search for alternatives to R404A and R507A hots up, keeping up to date with all the latest test results, news and information gets tougher. To aid your search, we have brought together all our recently published legislation news and test result information here.
Earlier in the year, we published information on the front-runners to replace these high GWP refrigerants, firstly with an article on the “drop-ins” for existing systems:
and then a look at some of the tests with the low GWP options:
In March, we published news of a number of new refrigerants, including R404A/R507A alternatives, proposed as addenda in ASHRAE’s ANSI/ASHRAE Standard 34-2013:
This was followed by news that the US was proposing to ban R404A and R507A in new equipment from 2016: