Air Change Heat Load
Calculates the sensible heat load required to condition outdoor air entering a space based on air changes per hour, room volume, and temperature differentials.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Volumetric Flow Rate (V_dot)
- m³/s
- m³/s
Mass Flow Rate (m_dot)
- kg/s
- kg/s
Temperature Differential (dT)
- K
- K
Sensible Heat Load (Watts) (Q_sensible)
- W
- W
Sensible Heat Load (Kilowatts) (Q_kW)
- kW
- kW
Need this calculation offline?
Download Offline Excel CalculationContext & Assumptions
This calculation is essential for sizing HVAC equipment like air handling units and duct heaters. It determines the thermal energy needed to maintain indoor setpoints against infiltration or mechanical ventilation loads.
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