SubZero is a trusted name in advanced refrigeration and climate control solutions, offering a comprehensive range of controllers and devices tailored for diverse applications. From general controllers to specialized systems for refrigeration, ACs, chillers, cold rooms, and telecom environments, SubZero ensures precision and reliability. Their portfolio includes programmable controllers, HMI displays, PID controllers, data loggers, and digital panel meters. SubZero excels with protection and alarm devices, probes, sensors, and panels—both standard and customized. Designed to handle Castle CFC/HCFC and ammonia systems, their solutions include humidifiers, timers, counters, and process controllers, enhancing efficiency and performance in industrial automation and climate management.