calefactories
/ˌkælɪˈfæktəriz/
noun
- Places or establishments where heating is produced or applied, such as a furnace room or a heating plant.
- The university's calefactories supplied heat to all the dormitories.
- The old factory had several calefactories that kept the entire building warm.
- Workers monitored the calefactories to ensure the steam system ran smoothly.