Description
The ACI 150117 is a duct-mount carbon dioxide (CO2) sensor engineered for use in commercial HVAC and building automation systems. Designed to monitor CO2 concentration levels directly within air handling ductwork, this sensor enables demand-controlled ventilation (DCV) strategies that optimize fresh air delivery based on actual occupancy — improving indoor air quality while reducing energy waste.
Built for integration with building automation systems (BAS) and direct digital control (DDC) panels, the ACI 150117 provides accurate, real-time CO2 data to help facilities maintain healthy, code-compliant environments in offices, schools, retail spaces, and other commercial buildings.
Key Features
- Duct-mount form factor for direct installation in air handling ducts
- Monitors carbon dioxide (CO2) concentration for demand-controlled ventilation
- Compatible with building automation and DDC control systems
- Supports energy-efficient HVAC operation by matching ventilation to occupancy
- Durable construction suited for commercial and light industrial HVAC applications
- ACI quality and reliability trusted by HVAC professionals
Applications
- Demand-controlled ventilation (DCV) in commercial buildings
- Air handling units (AHUs) and rooftop units (RTUs)
- Schools, offices, retail, and hospitality facilities
- Building automation and energy management systems
Why CO2 Sensing Matters
Elevated CO2 levels are a key indicator of poor indoor air quality and insufficient ventilation. By continuously monitoring CO2 in the supply or return air stream, the ACI 150117 allows HVAC systems to automatically modulate outside air dampers and ventilation rates — keeping occupants comfortable and productive while avoiding unnecessary energy expenditure on over-ventilation.
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