Frits Byron Soepyan, Ph.D. November 12, 2025 Abstract The refrigerant R-410A, which has been used in heating, ventilation, and air conditioning (HVAC) systems since 2010, is in the process of being phased out due to the American Innovation and Manufacturing (AIM) Act of 2020 and the regulation passed by the Biden Administration’s United States Environmental Protection Agency (U.S. EPA). The … Continue reading Chill Out: AC Refrigerants Cause Negligible Warming