Refrigerant charge optimization in direct expansion air conditioning systems under variable operating conditions

Key Points

• Optimizing refrigerant charge enhances energy efficiency and improves thermal performance in air conditioning systems.
• Key improvements were observed, with energy efficiency increasing by up to 15% under optimized conditions.
• Observational analysis assessed the impact of variable operating conditions on refrigerant charge optimization.
• These findings highlight the importance of optimization to achieve better energy savings in air conditioning systems.