# Qualisteo

> Qualisteo designs energy management systems for energy-intensive industries: connected sub-meters, energy management software, and expert engineering services to measure, monitor, and reduce energy and fluid consumption.

Qualisteo (headquartered at 266 avenue de la Californie, 06200 Nice, France) manufactures the Lynx electrical and multi-fluid sub-meters, develops the Wattseeker energy management software, and delivers services around ISO 50001, regulatory energy audits, power-quality audits, and CEE (French energy-saving certificates). Solutions are deployed in 45+ countries, 1100+ sites, delivering typical energy savings of 10–30% (12.4% average in 2025, 172 GWh cumulated).

## Products

- [Wattseeker — Energy Management Software](https://www.qualisteo.com/en/energy-management-software/): real-time visualization and analysis of energy consumption across all metering points.
- [Lynx — Electrical Sub-meter](https://www.qualisteo.com/en/electrical-sub-meter/): connected and intelligent electrical sub-meter for industrial and tertiary sites.
- [Lynx+ — Multi-fluid Sub-meter](https://www.qualisteo.com/en/fluid-sub-meter/): connected multi-fluid sub-meter (water, gas, compressed air, steam…).
- [Energy Management Service](https://www.qualisteo.com/en/energy-management/): turnkey engineering service combining hardware, software and expertise.

## Services

- [ISO 50001 support](https://www.qualisteo.com/en/iso-50001-support/)
- [Regulatory energy audit (NF EN 16247)](https://www.qualisteo.com/en/regulatory-energy-audit/)
- [Temporary energy audit](https://www.qualisteo.com/en/temporary-energy-audit/)
- [Power-quality audit](https://www.qualisteo.com/en/power-quality-audit/)
- [Low-carbon energy mix study](https://www.qualisteo.com/en/low-carbon-mix-study/)
- [CEE IND-UT-134 program](https://www.qualisteo.com/en/cee-ind-ut-134/)

## Resources

- [FAQ](https://www.qualisteo.com/en/faq/)
- [News](https://www.qualisteo.com/en/news/)
- [Resources & white papers](https://www.qualisteo.com/en/resources/)
- [About Qualisteo](https://www.qualisteo.com/en/about/)

## Contact

- [Request a demo](https://www.qualisteo.com/en/demo/)
- [Contact us](https://www.qualisteo.com/en/contact/) — contact@qualisteo.com — +33 4 93 97 37 62

## Languages

Content is available in French (default), English, Spanish, Portuguese, and Italian. Replace `/en/` in any URL above by `/fr/`, `/es/`, `/pt/`, or `/it/`.