which load calculation software to learn first iesve, trace 3d or hap Published 1 year ago • 9K plays • Length 10:24 Download video MP4 Download video MP3 Similar videos 7:20 which software is used for hvac engineering? 2:18 trane trace 3d plus hvac design and analysis software 11:24 manual j load calculations 3d 19:31 hap software heat load calculation with example, cooling load calculation using hap software