I get enough questions about the current state of ASHRAE 223P https://www.ashrae.org/news/esociety/ashrae-bacnet-committee-works-with-other-organizations-on-new-standard that it was worth putting together a quick post collecting some of the slide decks, papers, and online resources that have emerged.

Open223

The current best resource for learning about 223P is the Open223 project. Open223 “is a collection of permissively-licensed open-source tools to facilitate exploration and usage of the emerging ASHRAE 223P standard. These tools are neither developed nor endorsed by ASHRAE – instead, they are maintained by a small community of enthusiasts and developers who believe in making RDF data easier to use.”

The Open223 suite of tools includes:

Current development on Brick/Haystack harmonization can be found in this repository

Papers

Here is a slightly-outdated paper about 223P + Brick ( + RealEstateCore) + Project Haystack together. The high-level vision remains the same.

Slide Decks