A comprehensive guide to BACnet (ASHRAE Standard 135) — how the protocol works, the object model, network types (BACnet/IP, MS/TP, Ethernet), and how to use BACnet for integrating HVAC, lighting, and life safety systems.
BACnet (Building Automation and Control Networks) is a communication protocol developed by ASHRAE and published as ASHRAE Standard 135. Released in 1995 and updated continuously since, it has become the dominant open protocol for building automation — used in HVAC controls, lighting systems, access control, fire alarm integration, energy management, and virtually every subsystem in an intelligent building.
Topics covered
Building Commissioning Professional (CxA / CBCP) — Full Practice Exam
✨ Premium ContentGo beyond the free practice questions with a full-length paid exam bank.
Applied Smart Buildings & Building Automation Engineering Professional Program
✨ Premium ContentA structured, paid professional training program for this discipline.
Building Management System Use Case (Full Access)
✨ Premium ContentA zoomable interactive reader — free preview, then unlock the full set.
Demand-Control vs. Fixed Minimum Ventilation
✨ Premium ContentA paid interactive calculator or 3D simulator for this discipline — part of the All-Access Pass.
📬 Get new engineering guides in your inbox
New calculators, interactive readers, and reference guides — no spam, unsubscribe anytime.
Put this knowledge to work on your iPhone
Browse our full catalog of professional iOS apps — from electrical code tools to AI builders.
Browse All 95+ Apps