Home / Sustainable energy & energy transition / OpusFlow vs Siemens Building X
OpusFlow vs Siemens Building X
Both are professional tools for sustainable energy & the energy transition. OpusFlow has a published monthly price.
OpusFlowOpus4All B.V. (Deventer, NL)GDPR: Strongfrom €99 per user/month (annual contract, min. 3 licences) · free trial
Stronger on 1 of the 1 points, with a clear difference
Siemens Building XSiemens Smart Infrastructure (Munich, Germany)GDPR: Strongmodular subscription per application · free trial
Stronger on 0 of the 1 points, with a clear difference
The key differences
- OpusFlow lists a public monthly price (€99); for Siemens Building X the price is a modular subscription per application.
| Criterion | OpusFlow | Siemens Building X |
|---|---|---|
| GDPR profileOur summary of what the provider itself publishes about your data. For a professional tool: whether the data is stored in the EU, whether there is a certification or GDPR guarantee, and whether the provider is based in the Netherlands or the EU. For a general model: EU hosting, no training on your data and self-hosting. From Strong to Unknown; Caution only for a model with a documented problem. How we measure | Strong | Strong |
| Price | from €99/user/month (annual contract, min. 3 licences) | modular subscription per application |
| Free trial | Yes | Yes |
| Origin | Netherlands | EU |
| Tasks | AI for quotes and calculations, AI for planning and rosters | – |
Choose OpusFlow if…
- you want to know the cost up front
- you're looking for: PV designer and energy simulation
- what you're looking for: heat pump calculation according to DIN EN 12831
Choose Siemens Building X if…
- what you're looking for: building X Energy Manager: energy management
- what you're looking for: Comfort AI: AI-driven HVAC control
- what you're looking for: Sustainability Manager: CO2 reporting
OpusFlow features
- PV designer and energy simulation
- Heat pump calculation according to DIN EN 12831
- Home battery calculator and ROI calculation
- CRM, lead management and quotes
- Drag-and-drop scheduling and customer portal
- Digital forms with photo and signature
- Invoicing, stock and dashboards
- OpusAI: AI assistant that carries out actions
Features of Siemens Building X
- Building X Energy Manager: energy management
- Comfort AI: AI-driven HVAC control
- Sustainability Manager: CO2 reporting
- Operations Manager: monitoring and alarms
- Fault Triage Agent: AI fault diagnosis
- Anomaly detection with machine learning
- Fire Manager, Security Manager, Visitor Manager
- Open APIs via API Manager
Frequently asked questions
- Which is better: OpusFlow or Siemens Building X?
- OpusFlow has a public monthly price. What matters more to you determines the choice; the table puts everything side by side.
- Which is cheaper: OpusFlow or Siemens Building X?
- OpusFlow: from €99 per user/month (annual contract, min. 3 licences); onboarding from €1,500. Siemens Building X: modular subscription per application; on request.
- Which is safer for your data: OpusFlow or Siemens Building X?
- On the GDPR profile they don't clearly differ (strong and strong). The profile summarises what the provider publishes; always sign a data processing agreement. See the GDPR check for sustainable energy and the energy transition.
Everything about OpusFlow Everything about Siemens Building X
Every Friday: what changed in AI for renewable energy & energy transition
New models, prices, oversight and tools, with sources and what it means for you. One email a week, unsubscribe with one click.