The March release introduces a host of improvements across the Building X portfolio. Key updates include enhanced multi-site energy management capabilities, simplified cross-application operations and security workflows. Additionally, advancements in data handling, rules management, and system connectivity ensure greater efficiency and reliability building operations.
Release Notes Building X
March 2026 Release
What’s New in Building X – March 2026 Release
1. SOC 2 Type II Attestation for Building X
Building X now provides a SOC 2 Type II report, providing independent, CPA audited verification that security controls operated effectively throughout the audit period.
Why this matters:
- Provides trusted, third-party assurance to deliver impartial validation, empowering organizations to strengthen their security y due diligence and make informed procurement decisions
- Demonstrates readiness for enterprise scale deployments, with security controls consistently proven to function effectively over time, ensuring robust and dependable protection
Derived from SOC 2, there is a SOC 3 report in place, which is publicly available here: https://www.siemens.com/en-us/system-certificates/si-b/
2. Energy Manager –Standard subscription tier
The release of Energy Manager Standard completes the Energy Manager offering as the second subscription tier, enhancing portfolio-wide energy management with expanded capabilities for multi-site consumption and cost monitoring.
Why this matters:
- Delivers a single, consistent view across sites to track energy spend, performance, and trends by country, building, or business unit- empowering data-driven decision making
- Enables the use of scalable KPIs, virtual metering, and rule templates to identify anomalies early and manage energy proactively across portfolios, ensuring operational efficiency
Additional Features:
The update introduces new functionalities to further optimize energy tracking and management:
- Customizable trend monitoring to align insights with specific operational needs
- Integration of European energy market data for more accurate analysis
- In-app and external event notifications, keeping users informed in real-time
- Weather data integration to correlate energy usage with environmental factors
- Enhanced connectivity updates and multiple usability improvements for a smoother user experience.
3. Lifecycle Twin – Work Orders Integration
Now, work orders created in Operations Manager can be centrally managed in Lifecycle Twin, enhancing visibility and coordination.
Why this matters:
- Single source of truth for maintenance activities, ensuring all teams are aligned
- Improved operational workflow for improved efficiency, task prioritization, and seamless cross-team collaboration
Additionally, updates like an enhanced Document Management UX allow for better decision-making and operational efficiency.
Release History
The December release brings a range of enhancements across the Building X portfolio, improving energy performance management, daily operations, and security workflows. Updates also strengthen data handling, rules, and system connectivity to support more efficient and reliable building operations.
1. UL Solutions Smart System Platinum Rating
Building X and Building X Operations Manager have achieved UL Solutions Smart System Platinum, confirming independent verification of their smart building capabilities.
Why this matters:
- Provides trusted, third-party validation to support procurement and governance decisions
- Confirms readiness for advanced smart-building use cases and portfolio-wide digitalization
Check out the certificates below:
2. Energy Manager - Energy Performance Indicators
Energy Manager Essential (formerly Site) has been enhanced with Energy Performance Indicators (EnPIs/KPIs) and automated rules to help customers better measure, monitor, and optimize energy performance.
Why this matters:
- Establishes clear energy baselines and tracks performance over time
- Helps prevent peak demand charges, detect abnormal or after-hours consumption, and reduce bill surprises through automated monitoring
- Additional enhancements include scheduled reports, anomaly notifications, weather data integration, and advanced analytics
3. Security Manager – Remote Door Opening & Scheduling
Security Manager now supports remote door opening and time-based scheduling, enabling secure access control via mobile or web interfaces.
Why this matters:
- Enables faster, more flexible access management from anywhere
- Reduces manual effort while enforcing consistent access policies
- Improves operational efficiency without increasing on-site resources
Additional updates include Apple Wallet credentials, improved activity logs, PDF support in workflows, and synchronized mobile access photos.
4. Lifecycle Twin – Fault Animations
Lifecycle Twin now visualizes faults with animated, color-coded indicators, helping teams understand issues within the context of the full system.
Why this matters:
- Speeds up root-cause identification and improves impact assessment
- Helps prioritize maintenance tasks more effectively
- Supports remote diagnostics and reduces on-site maintenance effort
Additional updates include UI improvements and offline component creation.
The September release of Building X delivers new applications and expanded connectivity. The updates simplify workflows, enhance energy, operations, and security management, and provide greater flexibility for building portfolios
Products | Update Information |
View and edit BACnet schedules directly from field devices. Fault detection and diagnostics (FDD) workflows now include notifications for faster response and resolution. | |
Use kiosk mode for public displays, benefit from higher dashboard limits, and experience a more intuitive interface. | |
Quickly access the information you need with the Ask BX chatbot, which retrieves data from any uploaded document. | |
Strengthen access control with enhanced support for SALTO smart locks, including privilege management and real-time event visibility. Extended logging and SiPass/SIPORT onboarding improve monitoring and compliance.Operations Manager Standard now includes Work Order management for FDD faults. This new capability allows to create, assign and manage work orders within Operations Manager. | |
Enable seamless visitor experiences with QR code-based check-in/out, automatic badge printing, and license plate registration through iPad kiosks. | |
Save time with new export functions for onboarded data. Assign BACnet schedules to equipment more efficiently. | |
Connectivity | Expanded support with Connect X500 and the new Desigo CC IoT V8 connector increases integration options across systems. |
The June release of Building X delivers stronger cross-domain experiences and expanded connectivity. New integrations and enhancements simplify data access, support scalable applications, and improve operational transparency across building portfolios.
Products | Update Information |
Building X Home page marks the first step toward a unified, cross-domain experience. It offers a centralized homepage and a portfolio-wide view to simplify navigation across Building X applications. | |
Expanded Connectivity | Niagara Connector: Allows Niagara stations to send data directly to Building X – no edge devices needed. |
Security Manager extended the delegation workflow with detailed permission settings. Monitoring newly offers identity-based occupancy tracking, site-specific dashboards, and integration of Siveillance Intrusion Pro / Advanced alarms. Alarm & Task Management supports live Arcules video streams. Launch of the Building X Activity Log app, and a new API for seamless Siveillance Intrusion Pro / Advanced data integration. | |
Operations Manager Standard now includes Work Order management for FDD faults. This new capability allows to create, assign and manage work orders within Operations Manager. | |
With Lifecycle Twin now the commissioning engineer can identify components with missing bar codes to make sure this is setup and available. For enhanced security MFA is enforced for Siemens ID for logging in to the Lifecycle Twin application. | |
Sustainability Manager now can manage vendor accounts and to define emission factors based on supplier actuals. Additionally Renewable Energy Certificates (RECs) for market-based emissions reporting is supported. The release also introduces a connector to EnergyStar application/website. | |
Data Visualizer provides multi location support in the analyzer widget by allowing the user to pick points across any location, even across partitions that the user may have access to. | |
Data Setup now enables users to visualize equipment part and device relationships in the Relationships view, in addition to equipment supply relationships within the data structure. Users can upload larger numbers of historical timeseries data in a single file upload. |
The March release of Building X introduces powerful new features and expanded applications that further enhance operational efficiency, security, and sustainability use cases.
With these updates, Building X continues to shape the future of smart buildings, delivering scalable solutions tailored to evolving customer needs.
Products | Update Information |
Now available as a standalone application within Building X, Visitor Manager can be easily accessed via the Launchpad, providing streamlined visitor tracking and management. | |
Includes configurable delegations for approvers, membership reviews for security groups, and virtual SAM card support. The Building X Access App now allows enabling or disabling virtual ID cards. | |
Now offered as a two-tier subscription: Essentials includes core functionality Standard adds Fault Detection and Diagnosis (FDD) root cause analysis, with automatic logging of FDD events Additionally, Operations Manager is now ready for integration with external CAFM systems to support seamless work order creation. | |
It is now only available as an add-on to the Operations Manager. | |
Expanded to meet the needs of large-scale customers, the subscription model now includes volume-based discounts. Users can upload and manage utility bill data directly in the app, with PDF invoices supported alongside Excel imports. An automated data validation process ensures quality and consistency. A new connector enables seamless data synchronization between Energy Manager and Sustainability Manager. | |
With new release, it provides a COV/Table widget that enables multiple customers to track parameters on an ongoing. | |
Users can now customize key data point attributes—including Name, Description, Units, and Function—offering more flexibility and clarity in system configuration. |
The latest December release of Building X continues to deliver enhanced value, advancing security, efficiency, and sustainability across building operations. By paving the way for smarter, autonomous, and profitable buildings, this update takes another leap forward in optimizing building performance and user experience.With recently recognized certifications - ISO/IEC 27001:2022 (Information Security), ISO/IEC 27017:2015 (Cloud Services), ISO 50001 (Energy Management), and ISO 50002 (Energy Audits) - Building X reinforces its commitment to excellence and compliance.
Products | Update Information |
New functionality supports detailed carbon emission reporting, exportable in both Excel and PDF formats for comprehensive analysis and reporting. | |
Empowers users with custom Energy Performance Indicators (EnPIs), enabling baseline comparisons and detailed energy analysis for improved efficiency. | |
Introduces expanded Fault Detection and Diagnosis (FDD) capabilities for HVAC systems with 160 pre-defined rules to ensure optimal performance and minimal downtime. | |
Simplifies maintenance workflows with task templates, intuitive 2D/3D navigation, and improved security features through Custom Roles and Open ID Connect integration. | |
The smartphone app (formerly Siveillance Access Mobile, available for and ) is now Building X Access. It integrates with Apple Wallet, enabling seamless access via iPhone and Apple Watch. Additional enhancements include improved card printing capabilities and the ability to acknowledge video alarms from Arcules. | |
Introduces two new widgets: the Info Card for image uploads and the Meter Comparison widget for insightful energy usage comparisons. | |
Enhances building device configuration with improved alarm handling and smarter semantic enrichment to eliminate duplicate entries and streamline operations. |
The latest September release of Building X delivers enhanced value by improving security, efficiency, and sustainability across building operations, moving toward sustainable, profitable, and autonomous buildings. With streamlined video alarm integrations and expanded access control, security is now more user-friendly and scalable. Fault detection and diagnosis enable quicker issue resolution, reducing downtime and maintenance costs. Simplified user management, bulk updates, and automated processes boost productivity for operations teams. Advanced reporting and energy monitoring tools drive data-driven decisions, helping reduce energy consumption and costs. The integration of Desigo Optic and enhanced data visualization provide deeper insights for optimized building performance, supporting smarter, more sustainable operations. For more detailed feature updates, check below.
Products | Update Information |
The Sustainability Manager application now supports the creation of Excel and PDF reports based on pre-defined templates. Users can export data and create reports for sites, monthly cost & consumption data, utility bill reports, and more. | |
The Energy Manager application now supports monitoring of consumption trends for each day of a week, allows to identify base load and peak loads with the load duration curve widget and enables users for meter comparison across main and submeters of interest. Energy manager can feed energy and water consumption of buildings directly to ENERGY STAR . | |
Operations Manager now provides a fault detection and diagnosis (FDD) functionality for HVAC equipment. The Add-On subscription includes approx. 70 pre-defined rules and Rules app for custom rules. The release is restricted to pilot customers! | |
Lifecycle Twin is now integrated with Building X IAM to setup users and jump to the application from launchpad. Maintenance jobs become simpler with bulk update and download of documents and tasks for handover to contractors and subcontractors. | |
Security Manager now integrates Video alarms and live streams from Arcules VMS and alarms, events and users from Siveillance Intrusion. Cloud-based access control now supports up to 10 doors per edge door controller (ACC-AP), while 5 systems are now supported for on-site access control systems. | |
Data Visualizer provides two more widgets namely the heatmap widget and the gauge widget to visualize data. | |
Data Setup now enables users to automatically create pieces of equipment corresponding to their controlling devices, further speeding up the onboarding process. The efficient removal of unwanted tags enables users to swiftly verify, validate and correct their onboarded data. | |
The Edge-BMS Desigo Optic (F200 and Server) integrates with Building X Operations Manager and Energy Manager. User can read and write data and get alarms from Desigo Optic. |
Building X introduces a series of enhancements designed to elevate the capabilities of building operators and sustainability managers, focusing on streamlined operations, improved security features, and advanced sustainability tracking. In our commitment to continuous improvement and driving innovation in building management, this release of Building X includes integrations with Brightly Asset Essentials, enhanced support for VMWare ESXi, and new functionalities in Sustainability Manager and 360° Viewer- like Matterport integration. This release not only enhances existing functionalities but also introduces new features and subscription models designed to provide greater flexibility and control to our users. Below, we detail some of the key highlights of this release.
Products | Update Information |
The Sustainability Manager application is now integrated with Building X onboarding directly in the Data Setup App. It supports importing and setting up new buildings via Microsoft Excel templates and automated calculation of Scope 1 and 2 emissions. The app now supports 40 currencies. | |
The Energy Manager application now supports monitoring of operational carbon emissions in scopes 1, 2, & 3. Users can analyze consumption data on a meter level and benchmark buildings’ performance with the Energy Star Portfolio Manager. | |
Operations Manager can now create work orders for Brightly Asset Essentials based on events. It offers an Add-On subscription for Fault Detection Diagnosis (FDD) root cause analysis to diagnose faults in building automation equipment. | |
The 360° Viewer now integrates updated NavVis 11, enabling draft mode scan creation and Matterport point cloud instances that support creation of POIs. | |
Lifecycle Twin includes new features like monitoring equipment with X-ray mode and adding documents without renaming. | |
New subscriptions include Connectivity - Physical Access Control Systems (PACS), which supports SiPass, SIPORT, and 3rd party PACS via PACS SDK. New Add-Ons for Security Monitoring and Insights Dashboards, Alarm & Task Management, and Physical Identity & Access Management (PIAM). Visitor Management Invitation emails now include a link to fill in additional personal information, such as company and phone number. Users can search for and select hosts based on existing identity data and register visitors for dedicated locations. | |
Enhancements include the ability to download data from widgets as CSV files, plot using multiple axes, better zoom aggregations, and new visualization of onboarded data under the Graph view in the Data Setup application. | |
Improved scalability with support for up to 100,000 BACnet objects and 20,000 active points. It also features faster Modbus engineering with point templates and efficient file parsing for up to 100,000 entries with unit support. | |
Now supports VMWare ESXi as the main supervisor, enabling access to markets with complex IT needs that prefer VMWare virtualization products. |
Building X introduces a series of enhancements designed to elevate the capabilities of building operators and sustainability managers, focusing on streamlined operations, improved security features, and advanced sustainability tracking. In our commitment to continuous improvement and driving innovation in building management, this release of Building X introduces significant updates across our platform. This release not only enhances existing functionalities but also introduces new features and more subscription models designed to provide greater flexibility and control to our users. Below, we detail some of the key highlights of this release.
Products | Update Information |
The newly launched Sustainability Manager application is a pivotal tool for portfolio owners and operators aiming at achieving their sustainability and net-zero goals. It supports various compliance frameworks including CREEM, SBTi, and LL97. This application processes utility billing data to provide a straightforward display of both consumption metrics and associated CO2 emissions for scope 1 and 2. This functionality allows users to monitor and manage their carbon footprint effectively and make informed decisions towards sustainability. | |
The Energy Manager application now includes scope 1 & 2 emissions monitoring. Utilizing machine learning algorithms, the application identifies anomalies in energy usage and facilitates a detailed exploration of energy flows through intuitive Sankey diagrams and node-level analysis. This deeper insight into energy data helps in pinpointing inefficiencies and strategizing improvements. | |
Complementing the Energy Manager, the new Energy API serves as an Add-On, enabling external applications to access detailed consumption, cost, and emissions data. This integration potential empowers users to leverage Building X data across different platforms and applications, enhancing overall utility management. | |
Security Manager now extends its capabilities to include physical cards along with mobile phone access, supporting door access controls integrated with SALTO locks. Enhancements include scheduled reports for identity and smartphone usage monitoring and a new feature for bulk identity imports via offline CSV files, optimizing administrative workflows in managing access controls. | |
The Rules application introduces a robust rule engine with a flow editor, allowing users to craft a personalized library of fault detection rules. The results from these rules are conveniently visualized within the Data Visualizer, providing clear insights and facilitating efficient management of building operations. | |
For customers that use both Operations Manager and 360° Viewer, there is a new functionality that allows to integrate an operation manager data point widget directly in the viewer (NavVis and 2D). The widget allows for additional controlling, alarming and notification functionality beyond the basic live data visualization that the 360° widget offered before. | |
The 360° Viewer has been upgraded to enable direct command of set points within the application, improving user interaction and control over building environments directly through the interface. In addition to 2D Viewer and the NavVis Viewer integration, the 360° Viewer now offers the use of a Matterport Viewer. The functionality allows the admin user to scan spaces with a phone app or with 360° cameras, and upload them directly to the Matterport viewer connected in Building X. | |
This new API seamlessly integrates third-party IoT sensor data and other point values from on-premises data sources into Building X. This integration does not require traditional connectivity or edge devices, simplifying the process and expanding the data scope accessible within Building X applications and services. | |
The Connect Box, a device designed for building automation, is now integrable directly with Building X. Supporting approximately 800 types of field equipment and 11 key communication protocols such as BACnet, Modbus, and LoRaWAN, Connect Box significantly broadens the interoperability and flexibility of building management systems. |
We also regularly update our Terms & Conditions as well as specific Data Sheets of products. You can also find information on Uptime and Maintenance here and for general information please visit siemens.com/buildingx.