Answer: flues
AnswerCrossword Clue
FLUESSmoke carriers
fluesFLUE, a smoke-duct in a chimney
flueschannel in a chimney for conveying flame and smoke to the outer air
fluespassage for smoke, air, or gas
fluesair channel leading to the lip of a wind instrument
fluespipe for conveying flame and hot gases around or through water in a steam boiler
fluesan enclosed passageway for directing a current as
FLUESFireplace smoke escapes through them
FLUESChimney pipes
FLUESSmoky passages
FLUESDraft raisers
FLUESThey may be full of hot air
FLUESWindways
FLUESChimney passages
FLUESWhere there's smoke
FLUESVents.
FLUESDucts.
FLUESChimneys.
FLUESShafts.
FLUESPassages for air, gases, etc.
FLUESSmoke pipes.
FLUESPassageways for Santa
FLUESChimney parts
FLUESSoot collectors
FLUESSooty sites
FLUESChimney channels
FLUESThey're often full of hot air
FLUESSmoky places