# M.ZEILER e.U.

M.ZEILER is a one-person firm in Styria, Austria (Hitzendorf): building automation (Loxone Silver Partner), energy systems / HVAC, and working software prototypes with live APIs.

Products (separate hosts):
- SpotpriceAPI — B2B electricity-price forecast and decision APIs: https://spotpriceapi.com/
- Sparvo — app: https://app.sparvo.at/ — product site: https://sparvo.at/

Key pages:
- Home: https://mzeiler.at/ | https://mzeiler.at/en/
- Building automation: https://mzeiler.at/gebaeudeautomation/ | https://mzeiler.at/en/services/building-automation/
- Energy systems: https://mzeiler.at/energietechnik/ | https://mzeiler.at/en/services/energy/
- Prototypes & APIs (working PoCs, energy/building interfaces, handoff): https://mzeiler.at/poc-schnittstellen/ | https://mzeiler.at/en/services/poc-interfaces/
- SpotpriceAPI teaser: https://mzeiler.at/spotpriceapi/
- Sparvo teaser: https://mzeiler.at/sparvo/
- Contact: https://mzeiler.at/kontakt/ | https://mzeiler.at/en/contact/

PoCs are scoped working prototypes with documentation and handoff — not a second EMS vendor and not 24/7 plant SLA.