A2L Refrigerants Just Rewrote Your BAS Sequences
If you replaced a rooftop unit after January 2025, your BAS inherited a life-safety job. A2L refrigerants are mildly flammable, and ASHRAE 15, UL 60335-2-40 and the 2024 IMC now pull your controls into the response chain. The sequence audit every replacement needs and why your next call is to the AHJ.
Episode notes and the full archive: https://7nox.com/noxtalks
NOXTalks is produced by 7NOX, after-hours HVAC scheduling and billing for commercial buildings. Researched and edited by humans, voiced by AI. For more episodes, go to 7nox.com/noxtalks.
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.