calefacció
Calefacció is the set of technologies and practices used to generate, distribute and regulate heat for buildings and industrial processes. In Catalan usage, the term covers all systems designed to provide indoor warmth, from domestic radiators to large district heating networks.
Etymology: the word derives from Latin calefacere, meaning to heat, and entered Catalan through Romance language
Typical components include a heat source (boiler, heat pump, solar collector, or electrical heater), a distribution
Common energy sources: natural gas and petroleum products are common in older installations, but electricity, biomass,
Types of calefacció: hydronic systems circulate hot water through pipes to radiators or underfloor circuits; steam
Efficiency and regulation: energy efficiency depends on insulation, airtightness, and control systems such as programmable thermostats.