ASHRAE Miami’s Technical Lunch on A2L Refrigerant Line Shaft Ventilation and Enclosure Requirements was held on March 10th, 2026, at 12pm, at the 94th Aero Squadron in Miami. John Kim was the speaker.

A2L refrigerants represent a key step in reducing HVAC-related greenhouse gas emissions. While mildly flammable, updated safety standards, code revisions, and improved system designs support their safe integration into residential and commercial applications. John Kim is a highly accomplished and respected professional in the field of chimney and gas vent design, boiler room combustion air systems, laundry room exhausts, multi-story bathroom, kitchen hood, and clothes dryer exhaust, generator exhaust systems, stairway & elevator hoist way pressurization controllers and A2L ventilation systems. He is actively involved in advancing industry standards through his roles on ASHRAE’s TC 6.10 Fuels and Combustion committee, UL Standards Technical Panel 378 for Draft Equipment for Combustion Appliances, and UL Standards Technical Panel 103 for Chimney and Venting.

Don’t miss the upcoming ASHRAE Miami’s Technical Lunch on Energy Storage and the Grid on April 14th, 2026, at 12pm, at the 94th Aero Squadron in Miami.

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