Saudi Arabia's climate places HVAC systems under greater sustained stress than virtually any other operating environment on Earth. Outdoor temperatures routinely exceed 45°C in summer, with humidity levels in coastal cities like Jeddah and Dammam frequently exceeding 80%. HVAC systems in the Kingdom must operate at near-maximum load for six to eight months per year. Standard international PPM schedules are not sufficient for Saudi Arabia's climate demands. PSFM's technical teams follow a modified maintenance calendar: Pre-summer inspection (April) covers condenser coil deep cleaning and refrig