Joe discusses software used for schematic modeling of HVAC systems and why it is so important for initial conceptual design. Such tools are important for automatically modeling simple and complex air, hydronic and steam systems in new or existing buildings. They are also used to calculate ASHRAE 62.1 loads. Through use of interop schemas like gbXML, HVAC schematic tools can import HVAC load information and export HVAC system information to and from BIM authoring and analysis software tools.
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