Sizing Calculator based on Manual S
System Type:
Load Calculation Data
Cooling - Sensible:  btu's
Cooling -  Latent:  btu's
Cooling - Total:  btu's
Heating - Total:  btu's
Sizing Results
* Cooling - Minimum:  btu's
Cooling - Maximum: 0 btu's
Heating - Minimum: 0 btu's
Heating - Maximum: 0 btu's
Elevation:  ft.
System Performance at Design Temp
Cooling - Sensible:  btu's
Cooling -  Latent:  btu's
Heat - Output:  btu's
↓ Totals After Altitude Correction ↓
Sensible: 0   Latent: 0 btu's
Heat: 0   Cooling: 0 btu's

Manufacturer's CFM rating at sea level :        
 Is system within specs: ?

*Note: The total cooling minimum can be 90% of the total cooling load if the output of the sensible plus 50% of the excess latent equal at least 90% of the sensible load. If this condition exists the calculator will detect it but in most cases the cooling minmum will equal the total cooling load.


Use this online sizing program at your own risk.
This program has not been accredited by any organization and though much time
and effort has been spent to make it accurate there is no guarantee to its accuracy.