Demand Control Ventilation
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This incentive is available for the installation of CO2 sensor controls to modulate the amount of outside air intake based on actual occupancy levels.
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Required Documentation:
• Floor Plans and Controlled Area: Detailed plans highlighting the areas where occupancy sensors will be installed and the zones they will control.
• HVAC documentation (e.g., BAS graphic screenshot, control programming, sequence of operations, functional testing documentation).
• Proposed control documentation should illustrate how occupancy sensors will modify airflow setpoints and temperature setpoints to achieve energy savings.
• Applicability: Eligible for both retrofit projects and new construction (if not mandated by code).
• Baseline Efficiency:
o The existing HVAC system must either have fully functioning airside economizers or undergo economizer repairs as part of the implementation of DCV.
o The minimum outside air damper position setpoint should be ≥10% of the supply air when the space is occupied, in compliance with the current ASHRAE 62 standard or applicable local building codes.
• Qualifying Efficiency Requirement: The installed CO2 sensor must effectively control the minimum percentage of the outside air intake, reducing it below the existing setpoint based on real-time occupancy levels.
• Exclusions:
o Cannot be combined with incentives for economizers.
o DCV mandated by code for new construction.