Is there any load calculation program other than hap??

many for example (block load , trane load , elite ..............)

Elite

Block Load

Trane Load

Heat CAD

Whole building analysis

Elite =====> C-HVAC & R-HVAC 

Voltage between two phases in a three-phase system equals √3 times the line to neutral voltage. This is because any two phases are120 degrees apart, and two points on a circle120 degrees apart are separated by √3 times the radius

Trane Air Conditioning Economics, or TRACE™—an award-winning design-and-analysis software program that helps HVAC professionals optimize the design of a building’s heating, ventilating and air-conditioning system based on energy utilization and life-cycle cost.

yes there is a load calculation program other than HAP

Trace software program that help  Hvac Professionals.