R454b is different hvac hvactechnician r454b R32 Vs 454b
the-facts-about-r-32-and-r-454b.pdf A2L Refrigerants R-454B and R-32 Explained! Bottles, Changes, Rules, Tools! R-32 is a pure refrigerant. 454b is a mix. 454b is part R-32 and 1234yf. 1234yf is a forever chemical much like teflon. R-32 is used all over Europe. In this HVAC Training Video, I Show how to use our Free Refrigerant Weight Calculator on our Website: After months of reading, it seems R32 is the better option; considering its global popularity & single component (higher efficiency & smaller ...