Lower Global Warming Potential Refrigerants: What Should We Expect?

Tuesday, June 15, 2021 • Noon to 1 PM EDT

Recent federal and state hydrofluorocarbon (HFC) refrigerant legislation will require the HVAC industry change to meet the growing call for environmental protection. This transition will have significant direct and indirect impacts on the heat pump sector. There have been previous refrigerant phase outs, most notably a global effort to eliminate atmospheric ozone depletion. Now the focus has shifted to addressing the very high global warming potentials (GWP) of today’s commonly used refrigerants.  This next transition looks a bit more complicated with multiple, mildly flammable, low-GWP refrigerants available as soon as building codes allow. The presentation provides perspectives on the next transition, leading low-GWP refrigerant candidates, timing and possible consequences for various stakeholders. 


  • Richard Gerbe / Highmark
  • Matt Muhlada / ClimateMaster
  • John Ciovacco / Aztech Geothermal

Download the Presentations here.

Click on the image below to watch the video.