How can technicians effectively reduce refrigerant loss during service?

Using proper recovery techniques and minimizing open-system exposure is essential for effectively reducing refrigerant loss during service. When technicians adhere to established protocols for recovering refrigerant, they ensure that the quantity of refrigerant released into the atmosphere is minimized.

Proper recovery techniques involve using specialized recovery equipment designed to efficiently extract refrigerant from the system without allowing it to escape. Additionally, minimizing open-system exposure means limiting the time that the refrigerant system is open to the air, which can result in refrigerant evaporation or contamination.

Employing correct methods not only meets environmental regulations but also promotes safety and efficiency in the HVAC industry. This approach significantly reduces the environmental impact associated with refrigerant loss, such as contributing to ozone depletion and global warming.

The other choices suggest practices that either do not prioritize proper protocols or would likely lead to increased refrigerant loss, making them less effective in achieving the goal of minimizing refrigerant release during servicing.