The latest announcement comes at a time when many contractors are struggling to secure enough cylinders of R-454B, which is a widely used A2L replacement for R-410A ... on R-454B in response to ...

Honeywell has been tacking on a 42% surcharge ... R-454B is a widely used replacement for R-410A refrigerant, which manufacturers are phasing out as they move away from refrigerants that produce ...