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In comments to EPA’s proposed rule regarding HFC management, many HVACR stakeholders expressed concern over issues including tracking cylinders, training technicians, and reclaiming refrigerant.
Compressors in A2L systems are similar to A1 systems, so technicians won't need extensive retraining, especially if they follow best practices.
Some food retailers express concerns over CO₂ refrigeration systems, which they have found to be leaky and less energy efficient than expected.
Manufacturers have been preparing for the transition to low-GWP refrigerants for a number of years and are now introducing a wide range of innovative commercial refrigeration technologies.
HVAC contractors and technicians must invest in new spark-free tools that are compatible with the A2L refrigerants.