# Gloria

> medieval system of underfloor heating. central heating system used in Castile and Leon, Spain, primarily in the Middle Ages

**Wikidata**: [Q3816234](https://www.wikidata.org/wiki/Q3816234)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gloria_(heating_system))  
**Source**: https://4ort.xyz/entity/gloria-q3816234