OpenBMS
5.7#20 in building management softwareWeb
VisitOpenBMS vs Siemens Building X
Siemens Building X
6.7#3 in building management softwareAndroidiOSWebAPI
VisitWhat both publish
| Fact | OpenBMS | Siemens Building X |
|---|---|---|
| Data ownership | The site says users own their infrastructure and data and can move their semantic model between contractors, vendors or platforms. | Siemens states that the building owner remains the owner of data generated in the property and controls access, sharing and use. |
| Energy management | The site says pre-integrated ASHRAE G36 sequences deliver 30–50% HVAC energy savings. | Energy Manager monitors energy use and costs, benchmarks building portfolios, supports custom performance indicators, and provides analytics and reporting. |
OpenBMS plans
No prices published.
Siemens Building X plans
- Building X application or API subscription—
Pick OpenBMS if…
OpenBMS is aimed at building automation experts, developers, facility managers, and independent integrators working with BACnet or MQTT equipment. It may suit teams interested in an open-source, on-premise building management system that is still in pre-release.
Pick Siemens Building X if…
Building X suits organizations managing building operations that want energy monitoring, safety and security, or maintenance applications. Its open APIs and vendor-agnostic connectivity may suit teams integrating building systems and data.