2021 Mechanical Code Committees Vote to Keep Restrictions for A2L Flammable Refrigerants

UMC and IMC Committees Vote to Disallow Flammable Refrigerants in Direct Systems and Maintain Current Safety Restrictions. One of the hottest topics in the mechanical code world is that of flammable refrigerants and their applications. The issue is currently playing out in the model code arena.  In the United States, jurisdictions have a choice of Read more