Building Automation · Article

Smart Parking, CO Monitoring and Demand-Controlled Ventilation

A practical approach to integrating parking occupancy, carbon-monoxide sensing, jet fans and BMS alarms.

18 August 20268 min readBy Nexa Tensor
Smart Parking, CO Monitoring and Demand-Controlled Ventilation

Learn how smart parking sensors, CO monitoring and demand-controlled fan strategies can improve parking operations and energy efficiency.

The most effective building and utility improvements come from combining reliable field data with engineering context, clear operational ownership and a repeatable process for acting on exceptions. This article explains the practical considerations behind that approach.

1. Start with safety and zoning

Parking ventilation logic must first meet project and local safety requirements. Zones, sensor placement, alarm levels and fan cause-and-effect should be documented before optimisation is considered.

2. Use demand signals carefully

CO sensors, occupancy and schedules can reduce unnecessary runtime when combined with delays, minimum run times and clear manual override behaviour.

Operational takeaway

Use the available data to narrow the investigation, but confirm the root cause with site context before changing controls, billing or maintenance decisions.

3. Make the system observable

Operators should see sensor values, alarm state, fan command, fan proof and override condition in one BMS view. Trends help validate whether control is stable.

4. Measure the result

Compare fan runtime, electrical consumption and environmental conditions before and after changes. Energy savings are meaningful only when safety and air-quality requirements remain satisfied.

Reliable operations begin with clear data, documented engineering and a process for turning insight into action.

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