Resource library
A searchable directory of free, public resources for common BAS platforms and protocols. Type a platform, error, or topic (try "MS/TP", "graphics", "Metasys", or "upgrade") and jump straight to the source. We link out; we don't rehost anyone's content.
Niagara Community
Tridium's official hub: knowledge base, release notes, and peer Q&A for Niagara 4 and Niagara Edge. Best first stop for known Niagara issues.
Tridium Niagara Knowledge Thread
A long-running community thread collecting Niagara tips, gotchas, and field fixes from working techs.
r/BuildingAutomation
Active subreddit where techs troubleshoot Tridium, Metasys, Schneider, and BACnet issues and swap graphics and commissioning tips.
Industry Link Library
A big, independent index of BAS vendors, tools, and resources maintained since 1999.
Tridium Documents Library
Official Niagara datasheets, white papers, and product documentation.
Ultimate Guide to Tridium N4
A free deep-dive into Niagara N4 architecture, stations, and engineering workflow.
Niagara 4 Help & Support Center
Free Niagara 4 how-tos, guides, and troubleshooting videos from a Tridium distributor.
Guide to the Niagara Framework
A plain-language overview of what Niagara is and how JACEs and Supervisors fit together.
Niagara Update Considerations
What to check before upgrading Niagara versions: compatibility and module gotchas.
NiagaraMods Exchange
A community marketplace to browse and download Niagara 4 modules, PX graphics, wiresheet objects, and login themes.
BP Tech Center
A multi-vendor hub with 2,000+ downloads (drivers, docs, catalogs) and 300+ videos across Niagara, JCI FX, Honeywell, EasyIO, and Vykon.
OnesightTV (YouTube)
Award-winning, free Niagara and BMS how-to videos.
Metasys Documentation (OpenBlue)
Public Metasys manuals, troubleshooting guides, and product bulletins via the Knowledge Exchange.
Metasys REST API
Open documentation for the Metasys REST API, for pulling data and integrations.
Building Automation Knowledge Base
Thousands of field-written articles for EcoStruxure Building Operation, Continuum, TAC, and Satchwell.
EcoStruxure Building Community
Peer Q&A and expert answers for EcoStruxure Building Operation and legacy Schneider systems.
Documentation Portal
Official ECLYPSE installation, configuration, and product documentation.
Developer Wiki & REST API
REST API reference and developer notes for reading, writing, and configuring ECLYPSE.
Delta ORCAview Reference
Community reference for Delta Controls ORCAview objects and configuration.
Complete Guide to enteliWEB
A third-party walkthrough of enteliWEB navigation, schedules, trends, and alarms.
Smart Information Delivery (SID)
Siemens' documentation portal for Desigo CC and APOGEE user and engineering guides.
KMC Support & Downloads
Product documentation, downloads, and support for KMC controllers.
KMC Video Library
KMC's library of product how-to and setup videos.
BACnet International
The industry body behind BACnet: standards, certification, and education.
BTL Product Listing
Searchable list of BTL-certified BACnet products; check interoperability before you spec.
The BACnet Institute
Free online BACnet courses and a solid FAQ for objects, services, and priorities.
BACnet & MS/TP Tech Notes
Clear BACnet and MS/TP explainers plus router and RS-485 troubleshooting notes.
BACnet Questions Answered
Field-focused answers on MS/TP chain length, broadcast traffic, and device discovery.
O&M Best Practices
A vendor-neutral government guide to operating and maintaining building systems, with a dedicated page per equipment type.
VAV Systems O&M
How VAV systems work, plus practical operations and maintenance guidance.
Air-Side Economizers O&M
Economizer components, common faults, and the maintenance that keeps free cooling working.
Modular Boiler Systems O&M
How modular boilers improve heating efficiency, and how to keep them running well.
Unitary HVAC Equipment O&M
Preventive maintenance for packaged, rooftop, and split unitary equipment.
Variable Speed Drives O&M
How VFDs save energy on fans and pumps, and how to keep them healthy.
Ground Source Heat Pump O&M
Geothermal heat pump operation and maintenance basics.
OpenBuildingControl (G36)
A free, vendor-neutral implementation of ASHRAE Guideline 36 sequences, each with a plain-English description and control diagrams.
Design Guides & Tools (G36)
Free design guides, tools, and research papers from the engineers behind much of Guideline 36.
Intro to Guideline 36 (Steve Taylor)
A free talk introducing Guideline 36 from one of its lead authors.
ASHRAE Guideline 36
The canonical standard for high-performance HVAC control sequences. Purchase required; this is the source document.
AutomatedBuildings.com
Long-running independent BAS magazine: trends, expert articles, and a deep link library.
These are free, publicly available third-party resources. bas.help links to them for convenience and does not host, own, or endorse their content. Some vendor portals may require a free account or partner login. Spot a broken link or a great resource we missed? Let us know.