Which action is most effective in maintaining the efficiency of a refrigeration system?

Keeping the condensers clean is crucial for maintaining the efficiency of a refrigeration system. When condensers are dirty or blocked, the heat exchange process is hindered, leading to decreased system performance. A clean condenser allows for optimal airflow and efficient heat transfer, which helps the refrigerant to release heat effectively. This not only ensures the system operates at its intended performance levels but also helps in reducing energy consumption and extending the life of the components involved in the refrigeration cycle. Regular maintenance of condensers is therefore a key practice for operators aiming to keep the refrigeration system functioning efficiently.