Version 6.0 of the commercial duct design software Duct Size has been released. The program is an engineering software program that performs duct design based on the American Society of Heating, ...

Design Master HVAC is an AutoCAD-based duct design program. It is a complete design tool, the company states, encompassing load calculations, duct and diffuser layouts, duct sizing, and double-line ...

Performing electrical cable heating calculations can be a cumbersome task, but they’re essential to accurately determining the allowable ampacity of an underground electrical duct bank installation.