> For the complete documentation index, see [llms.txt](https://www.empreinte-carbone-personnelle.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.empreinte-carbone-personnelle.com/glossaire-et-lexique/sncu.md).

# SNCU

**Syndicat National du Chauffage Urbain et de la Climatisation Urbaine**