Crossword Clue:

Sources of heat or light

AnswerCrossword Clue
RADIANTSSources of heat or light
LAMPSSources of light or heat
SENSORGauge of heat or light, e.g.
RADIATEEmit heat or light.
EMISSIVERadiating heat or light, say
WARMERSSources of comforting heat
FURNACESSources of home heat