What is the maximum allowed leak rate for appliances containing more than 50 pounds of refrigerant?

The maximum allowed leak rate for appliances containing more than 50 pounds of refrigerant is set at 10% per year. This standard is reflective of regulatory measures aimed at minimizing the environmental impact of refrigerant leaks, particularly for larger appliances which can contribute significantly to greenhouse gas emissions if left unchecked.

Appliances with high refrigerant capacities are monitored more closely due to their potential to release substantial amounts of refrigerant into the atmosphere. The 10% per year threshold is designed to ensure that these systems are regularly checked and maintained to prevent leaks, thereby promoting responsible and sustainable management of refrigerants.

Understanding this leak rate is important for technicians as it plays a critical role in ensuring compliance with environmental regulations and maintaining the integrity of HVAC/R systems.