The IHC SonicAir Pro Dual is a high-performance humidity controller ideal for serious growers running large-scale indoor setups. Designed to control two humidifiers independently, it delivers precise humidity regulation across multiple grow rooms or different zones — making it a solid choice for commercial cultivation. It’s equipped with built-in probes that provide real-time data on temperature and relative humidity — and dual outputs and adjustable thresholds that let you fine-tune each zone’s VPD (Vapor Pressure Deficit) for optimal water evaporation and nutrient uptake in your plants. It features data logging, safety shutoff features, and integration-ready ports — and works seamlessly with Global Air Supplies’ SonicAir humidifiers. Its rugged build and reliable performance ensure long-lasting performance. If you’re looking for a fully automated setup, pair it with the Enviro4 to coordinate heating, cooling, lighting, and extraction. You can also add in the AC-EC Digital Controller for fan control.