WordNet
n. a mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation" [syn: ventilation, ventilation system]
Usage examples of "ventilating system".
The blue tendrils of smoke from their pipes rose slowly, to be drawn away by the efficient ventilating system.
Any attempt to extinguish the conflagration in the vault itself was hopeless, however, and so the workers contented themselves with pouring water into the basement on either side, to keep the building and perhaps the other vaults cool, and with maintaining a constant stream of chemical mixture from a special apparatus down the ventilating system into and upon the smoldering film.
He knew the layout and he'd sabotage the ventilating system with gas, leaving them all unconscious, and the mines wide open for the rest of his psions to come in and take it over.
Weatherhill consulted the blueprint showing the ventilating system for the final time.
The ventilating system was so noiseless that he had to put his hand over the vents to make sure he felt air currents.
The air itself was full of alien, mechanical scents, little trace odors carried on the ventilating system of oil and room dust, plus all the human smells that result when our race is cooped up within a structure.
He made his way calmly to the grille that gave him entrance to the ventilating system, took out the grille, and entered the tube.
It was obvious that at least the ventilating system was still working.