Calefaction

n.	1.	The act of warming or heating; the production of heat in a body by the action of fire, or by communication of heat from other bodies.
	2.	The state of being heated.

Noun

1.

calefaction - the property of being warming Synonyms: incalescence

cooking, dielectric heating, electric heating, electronic heating, furnace heating, gas heating, heat exchange, heating, hot-air heating, increase of temperature, induction heating, insolation, oil heating, panel heating, radiant heating, recalescence, steam heating, superheating, tepefaction, torrefaction, warming