636-LA 636 Louisiana (New Orleans) First Class Stationary Air Conditioning Certification Exam

636-LA 636 Louisiana (New Orleans) First Class Stationary Air Conditioning Louisiana’s 636 First Class exam digs into refrigerant thermodynamics, compressor mechanics, and ductwork design specific to stationary AC systems in hot, humid climates. You’ll need deep knowledge of pressure-temperature relationships, oil return strategies in long suction lines, and humidity control—critical in New Orleans’ demanding conditions. Troubleshooting real leaks and sizing equipment for existing structures rounds out the scope.