The technology transition to low Global Warming Potential (GWP) refrigerants in the refrigeration, chillers, air conditioning and heat pump applications around the world is driven by the HFC phasedown mandated by the Kigali Amendment to the Montreal Protocol, as well as electrification efforts and ever lower energy efficiency standards.

The phasedown is also happening in the United States, even though the US government has still not ratified the Kigali Amendment, and driven by legislation known as the AIM Act.
The US Environmental Protection Agency’s (EPA) implementation of the AIM Act is unique, and consists of 3 major pillars – allocations of allowances for production and consumption of HFCs, s ...