This building contains a balanced system.
This image represents a plumbing layout that can be used to help determine if WaterSense criteria is met.
Source: U.S. Department of Energy
Commercial Building Energy Code Adoption Map
Source: Building Media, Inc.
This image shows the major components of an HVAC system. The outdoor compressor is purple, the return ducts are blue, the supply ducts are red, and the the thermostat is orange.
Trunk and branch: Large central pipe and smaller pipes to each fixture