Synonyms for Infrared lamp:

n.

furnace (noun)
smelter, oven, potbellied stove, fireplace, blast furnace, burner, Franklin stove, warmer, coal stove, hearth, kiln, firebox, jet, coke oven, induction heater, furnace, sun lamp, Bunsen Burner, water heater, solar heater, steam heater, radiator, register, heater.
infrared lamp (noun)
heat lamp.

Other synonyms:

Other relevant words:
heat lamp.