Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Siemens Building X

#10 of 26 in Building Management SoftwareSmart Spaces Software

Siemens Building X: A broad cloud platform for portfolio energy, operations, comfort, and security management. Ranked #10 of 26 in Building Management Software by our editors (8.5/10); pricing: Pricing on request; best for cloud portfolio energy-management teams.

8.5/10Editor score
Siemens Building X8.5 Visit Siemens

At a glance

  • Editor score
    8.5 / 10
  • Pricing
    Pricing on request
  • Best for
    Cloud portfolio energy-management teams
  • Free plan
    No
  • HVAC control
    Yes
  • Founded
    1847 · Munich, Germany; registered offices also in Berlin
  • Facts checked
    22 Sep 2026
Siemens Building X screenshot
  • Where it wins

    • Portfolio energy analytics, submetering, and HVAC optimization
    • Open APIs plus broad building-system and access integrations
    • Dashboards, alarms, environmental monitoring, AI, and mobile apps
  • Where it doesn't

    • Pricing requires a sales conversation and custom subscription planning
    • No free plan is offered
    • Lighting control is not presented as a core Building X capability

Our verdict on Siemens Building X

Siemens Building X is a cloud-based building management platform for building owners, operators, and service providers. It centralizes building data and supports energy and sustainability, operations and maintenance, safety and security, comfort, and asset lifecycle management. The platform is particularly suited to teams managing multiple buildings that need portfolio analytics, remote operations, HVAC optimization, alarms, environmental monitoring, dashboards, and mobile access across web, iOS, and Android.

The published commercial model is subscription-based, with plans and applications purchased through Siemens. Pricing is handled through contact with sales rather than a public standard price list, and there is no free plan. Deployment and connectivity are managed through Siemens cloud services and gateways. That structure may fit organizations seeking a managed cloud platform, but buyers should expect a procurement process rather than self-serve evaluation. The platform also includes open APIs for building data and third-party applications, supporting connections to Desigo CC, SiPass, SIPORT, SALTO smart locks, ACC-AP door controllers, Arcules VMS, BACnet, and third-party PACS.

Building X’s main strength is breadth: energy monitoring, submetering, portfolio analytics, HVAC monitoring, automated comfort optimization, remote device control, alarm and event management, security workflows, indoor-air-quality data, custom reports, visualizations, AI features, and mobile apps are brought into one cloud environment. It is a strong fit for cloud portfolio energy-management teams and broader operations groups that value connected building data. It is less suitable for organizations seeking a free or transparent fixed-price product, or for buyers whose primary requirement is dedicated lighting control. Teams with existing Siemens, BACnet, access, or video systems have a clearer integration path than those looking for a narrow standalone tool.

Your product? Our editors can test Siemens Building X in depth and publish a review, labelled as paid · from $149/mo →

Siemens Building X pricing

Plans Pricing on request No free plan — trial or paid only. Prices checked 22 Sep 2026.
See plans on siemens.com

Siemens Building X fact sheet

Free planNo
Paid fromNot verified
HVAC controlYes
Lighting controlNot verified
Alarm managementYes
Environmental monitoringYes
Access integrationYes
DeploymentCloud
Mobile appYes
DeploymentCloud, Mobile
PlatformsWeb, iOS, Android
Compliance & securitySOC 2, ISO 27001
SupportDocs
Built forMid-market, Enterprise (editorial estimate)
Integrations8 integrations: Desigo CC, SiPass, SIPORT, SALTO smart locks, ACC-AP door controllers, Arcules VMS …
PricingPricing on request
Websitesiemens.com
Facts checked22 Sep 2026

Siemens Building X integrations

Siemens Building X lists 8 integrations on its own site.

  • Desigo CC
  • SiPass
  • SIPORT
  • SALTO smart locks
  • ACC-AP door controllers
  • Arcules VMS
  • BACnet
  • Third-party PACS

Alternatives to Siemens Building X

See all Siemens Building X alternatives →

Also Ranked In

Siemens Building X is ranked in 2 of our directories.

Used Siemens Building X? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Siemens Building X for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Your rating

0 characters · at least 80, up to 3,000

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Featured on iTechGuides — Siemens Building X 8.5/10

Siemens Building X is listed in our Building Management Software directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/siemens-building-x/"><img src="https://www.itechguides.com/best/badge/siemens-building-x.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated · How we research and update