OpenBMS

Spec sheet

Product

OpenBMS describes itself as a community-driven, vendor-neutral Building Management System that connects BACnet, MQTT, and modern IoT protocols.Read 9 Oct 2026 · openbms.io

Intended users

The site describes the community as including building automation experts, developers and facility managers, and highlights independent integrators.Read 4 Oct 2026 · openbms.io

Support

The site directs users to Discord for real-time discussions, GitHub for code contributions, and its documentation for participation and support.Read 9 Oct 2026 · openbms.io

License

The project’s GitHub README says it is licensed under AGPL-3.0.Read 4 Oct 2026 · github.com

AI feature

The site describes an AI copilot for mapping BACnet points to ASHRAE 223P and suggesting configurations, marked “Coming Soon.”Read 4 Oct 2026 · openbms.io

Availability

The site labels OpenBMS as pre-release and invites users to get early access.Read 9 Oct 2026 · openbms.io

Building models

The site says BuildingMOTIF integration validates building models against standards automatically.Read 9 Oct 2026 · openbms.io

Control programming

The site describes a no-code/low-code visual interface for integrators to configure control logic.Read 9 Oct 2026 · openbms.io

Data ownership

The site says users own their infrastructure and data and can move their semantic model between contractors, vendors or platforms.Read 4 Oct 2026 · openbms.io

Demand response

The site describes G36 Demand Limiting sequences that respond to grid signals and price spikes while maintaining comfort, marked “Coming Soon.”Read 4 Oct 2026 · openbms.io

Development status

The project’s GitHub README says it is in Phase 6 of 8, with real BACnet device discovery and integration planned for Phase 7.Read 4 Oct 2026 · github.com

Energy management

The site says pre-integrated ASHRAE G36 sequences deliver 30–50% HVAC energy savings.Read 9 Oct 2026 · openbms.io

Hardware compatibility

OpenBMS says it is hardware-agnostic and can integrate devices that speak BACnet or MQTT, including equipment from Honeywell, Johnson Controls and Siemens.Read 4 Oct 2026 · openbms.io

Hardware support

The FAQ names Honeywell, Johnson Controls, and Siemens among supported device manufacturers.Read 9 Oct 2026 · openbms.io

Interoperability

OpenBMS says it bridges legacy systems with modern IoT infrastructure and is designed to work with BACnet- and MQTT-speaking devices.Read 9 Oct 2026 · openbms.io

Licensing

The site advertises zero licensing fees, with no per-point charges or annual contracts.Read 9 Oct 2026 · openbms.io

Ownership

The FAQ says users own their infrastructure and data and can customize the open-source system.Read 9 Oct 2026 · openbms.io

Programming

The site describes a no-code/low-code visual programming interface for configuring control logic.Read 4 Oct 2026 · openbms.io

Release status

The site labels OpenBMS “Pre-Release” and invites users to get early access and help shape the product.Read 4 Oct 2026 · openbms.io

Semantic modeling

The site describes native ASHRAE 223P semantic modeling and BuildingMOTIF integration for validating building models, with both marked “Coming Soon.”Read 4 Oct 2026 · openbms.io

Simulation

The site says FMU export with the LBNL Modelica Buildings Library can test control sequences virtually before deployment.Read 9 Oct 2026 · openbms.io

Standards

The site says OpenBMS aligns with ASHRAE 223P, BACnet/IP, and 231P.Read 9 Oct 2026 · openbms.io

Where Specifiction places it

• Building Management Software#23 of 266.9