HVAC Load Calculator

Calculate total heat loads efficiently.

Total Heat Load

0.00 BTU/h

Equivalent to 0.00 Tons of Refrigeration

Exterior Wall

Heat Transfer - Exterior Wall

Select Material:

Length of Wall (ft):

Height of Wall (ft):

Temperature Difference (°F):

Heat Transfer:

0.00 BTU/hr

Roof

Heat Transfer - Roof

Select Roof Material:

Length of Roof (ft):

Width of Roof (ft):

Temperature Difference (°F):

Heat Transfer:

0 BTU/hr

Glass

Heat Transfer Through Exterior Glass

Length of Glass (ft):

Height of Glass (ft):

SHGF Latitude:

Shading Coefficient (SC):

Cooling Load Factor (CLF):

Results

Please enter valid inputs to calculate.

Interior Wall

Heat Transfer Through Partition Wall

Input Details

Select Material:

Length of Wall (ft):

Height of Wall (ft):

Temperature Difference (°F):

Result

Enter values and click the button to calculate heat transfer.

Lighting

Heat Generated by Lighting

Input Details

Lighting Wattage (W):

Result

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

Electrical Equipment

Heat Dissipation by Electric Equipment

Input Details

Heat Dissipation per Equipment (Btu/h):

Number of Equipment:

Result

Enter values to calculate heat dissipation.

Detailed Breakdown

Exterior Wall: 0.00 BTU/h
Roof: 0.00 BTU/h
Glass: 0.00 BTU/h
Interior Wall: 0.00 BTU/h
Lighting: 0.00 BTU/h
Electrical Equipment: 0.00 BTU/h

Result

Low heat load. No additional cooling required.

Total Heat Load: 0.00 BTU/h