Heat Load Calculation Tool(HVAC)

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Heat Load Calculator

Length (m):

Width (m):

Height (m):

Wall Area (m²):

Window Area (m²):

Outdoor Temp (°C):

Indoor Temp (°C):

Number of People:

Lighting (W):

Equipment (W):

Wall U-Value:

Note: This calculator provides an estimate. For professional HVAC design, consult a qualified engineer.