Related Clues:

• Sound from bolted shaft
• Smoke vent
• It may be full of hot air
• Escape shaft got off the ground, so to speak
• Sound�s travelled by air duct
• Sound of a bell ringing new year: it's often on a rooftop
• Outlet for fuel distribution
• Small chimney
• Chimney-duct
• Pot smoker
• Fuel (anag.)
• Flue
• My niche could be a sooty sort of place
• Chimney
• Father Christmas's entry?