2023 ASHRAE Iowa Chapter – February Chapter Meeting

DATE: February 22nd, 2023

TIME: 5:00pm-7:30pm

5/5:30 – Social/Tour (Parking Information)
6pm- Dinner
6:30- Meeting & Tech Presentation
7:30 – ISG tour

LOCATION: ISG 217 E 2nd St Suite 110, Des Moines, IA 50309


The Transition from R410a:

  • Recent regulations for both efficiency changes and lower GWP refrigerants
  • Refrigerant options available for different applications with pros and cons of each
  • Process of implementing A2L refrigerant in equipment, including new safety tests and listing
  • Some notes on servicing units with A2L refrigerants
  • Decarbonization

Speaker:  Patrick Chapman, Senior Engineer w/AAON:

Patrick has been with AAON for 18 years in several diverse engineering roles including sheet metal design, product engineering, managing the engineering selection software, and now a senior role supporting the application engineering and warranty groups.


ASHRAE Member: Free
Non-ASHRAE Member: $20

See the ASHRAE Google Calendar on the main page and the registrations page.