HVAC Zoning
The HVAC Zoning dialog can be found in the navigator under Preliminary Data Setup in the location shown below. This dialog helps the user to identify and set HVAC zones that will be required during HVAC system setup (described in subsequent sections). Once selected, the HVAC zoning can be set in the browser window. By default, this dialog sets the model browser to “HVAC Zones and Zone Groups”
The user is first required to identify and classify the HVAC zone groups and its respective zone names by selecting the 
button in the Model browser as shown below.
button in the Model browser as shown below.
The user can then move a room to its appropriate HVAC zone by the drag and drop operation within the model browser as shown below
For additional explanation on HVAC zoning and using the model browser, refer the IESVE Support users guide available in the IESVE website found HERE.