Answer: ducted

AnswerCrossword Clue
DUCTEDConveyed by pipes, as heat
DUCTEDLike many ventilation systems
DUCTEDConveyed, as central air
DUCTEDChanneled
DUCTEDConveyed via a tube
DUCTEDLike homes with central air conditioning
ductedConvey through a duct
ductedDUCT, to convey through a tubular passage