4
smoke
3
blowgun(noun, weapon)
3
blowpipe(noun, weapon)
3
boiler(noun, furnace, stove)
3
brazier
3
cooker
3
defroster
3
firearm(noun, weapon)
3
flamethrower(noun, weapon)
3
gat
3
musket(noun, weapon)
3
register(noun, furnace)
3
repeater(noun, weapon)
3
rifle(noun, weapon)
3
shotgun(noun, weapon)
2
automatic
2
caldron(noun, furnace)
2
convector
2
electric heater(expression, idiom, furnace)
2
firebox(noun, furnace)
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). heater thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heater/thesaurus/synonyms
ChicagoSmart Define. 2015. "heater thesaurus" https://smartdefine.org/heater/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, heater thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heater/thesaurus/synonyms>.
MLASmart Define. "heater thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/heater/thesaurus/synonyms>