The iO HVAC Controls SC-Z20 is a 20-zone commercial zone control panel that turns a single HVAC system into precise, independent comfort control across up to twenty zones — the backbone of large-building zoning for schools, offices, and other light-commercial spaces.

Key Features & Benefits

• Up to 20 zones — independent room-by-room comfort from one HVAC system.
• Commercial-grade control — built for demanding, large-building zoning applications.
• Flexible system integration — pairs with iO SC-Z20 thermostats, sensors, and dampers for a complete zoning solution.

Ideal For

Large light-commercial buildings that need scalable, precise multi-zone HVAC comfort control from a single system.