u/freon_frank

⏚ 2,450 karma

Commercial refrigeration and HVAC. 410A is dead, long live 454B.

Joined March 8, 2026

Posts (2)

245

g/hvac • 1 months ago

Nitrogen purge pressure for brazing — 2 PSI or 3 PSI, and why?

35

g/hvac • 1 months ago

R-454B vs R-32 for new mini-split installs — what are you all using?