HVAC Load Calculators

Heat Transfer Through Exterior Walls

Select Material:

Select Direction:

Length (ft):

Height (ft):

Temperature Difference (°F):

Enter values and click "Add Direction Heat Transfer".

Select Direction:

Length (ft):

Height (ft):

SHGF Latitude:

Shading Coefficient:

Cooling Load Factor (CLF):

Enter values and click "Add Direction Heat Transfer".

Select Direction:

Select Roof Material:

Length of Roof (ft):

Width of Roof (ft):

Temperature Difference (°F):

Select values and click "Add Direction Heat Transfer".

Select Material:

Length of Wall (ft):

Height of Wall (ft):

Temperature Difference (°F):

Enter values and calculate heat transfer.

Lighting Wattage (W):

Enter a valid wattage and click the button to calculate heat.

Select Activity Level:

Number of People:

Enter Heat Load (BTU/h) Manually:

Enter details and click calculate to see result.

Heat Dissipation per Equipment (Btu/h):

Number of Equipment:

Enter values to calculate heat dissipation.

Total Load: 0 BTU