Johnson Controls has released Metasys 15.0, the latest version of its open building automation system, introducing expanded scalability, new redundancy features and enhanced energy-management tools for large, mission-critical sites. The company said the update is designed to meet growing operational demands across sectors such as healthcare, data centres, education and multi-site enterprises.
Metasys 15.0 supports up to 1,000 IP devices per server — around 60 per cent more than many comparable building management systems. The platform can manage up to 50,000 objects, allowing organisations to scale deployments across large campuses without adding additional hardware layers. Johnson Controls said the direct IP-to-server architecture can also reduce infrastructure costs by eliminating the need for intermediary components.
For facilities requiring high uptime, the release introduces multi-server redundancy with simultaneous backup. Critical alarms, audit logs and trend data are written to two servers at once, providing operational continuity in environments where system interruptions can affect safety, compliance or service delivery.
The update also includes a ready-to-use Energy Management suite designed to give facility teams real-time visibility into energy use, emissions and performance benchmarking. According to Johnson Controls, the suite provides immediate insights for planning, budgeting and decarbonisation initiatives.
Kaishi Zhang, vice president of Product Management for Building Automation Systems, said the new version is intended to simplify system management while meeting reliability requirements in complex facilities. The platform’s web-based configuration tools allow technicians to deploy or adjust systems without server downtime, and Johnson Controls says setup time has been reduced by nearly 95 per cent compared with earlier releases.
Metasys remains an open BAS platform supporting a wide range of IT and OT communication standards including BACnet, Modbus, MQTT and APIs. The update is positioned to integrate with Johnson Controls’ wider building technologies, including HVAC, fire and security systems, along with its OpenBlue smart-building ecosystem and national service network.
