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HVAC

HVAC system design tools and guides including duct sizing, airflow calculation, ventilation design, heat load calculation, and energy-efficient air conditioning systems.

8 Articles

Car Parking Ventilation Calculator (NFPA)

Car Parking Ventilation + Jet Fan + CO Sensor Estimator (NFPA / ASHRAE)

This tool gives preliminary estimation of ventilation air, number of jet fans and CO sensors for enclosed car parks based on NFPA / ASHRAE / NBC planning practice.

Enter values and click Calculate.
Planning Assumptions:
• 1 CO sensor ≈ 400 m² coverage
• 1 Jet fan ≈ 350 m² coverage
• Final quantities depend on CFD, layout & consultant design.

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