It gave 30 days of the full free trial of plugin software where you can use all features of the plugin. It gave automatic calculation of duct size whether it was branch duct or main duct. It helped to easily placed diffuser in different size like 12"x12", 20"x20" and 24"x24", etc., as per engineer's requirement.

The design master HVAC is very easy to use and user friendly to all the users for design.

As an experienced electrical design engineer, I've been working with multiple electrical software; most industries still use old software for designing, which is a lot of time-consuming in the designing process. Instead, I prefer to work with updated software like Revit and mentor graphics, which have many advanced options compared to old software.