4:57
Furnace on, fan blowing, off, then idle. (4)
3:54
Furnace on, fan blowing, off, then idle. (3)
5:21
Furnace on, fan blowing, off, then idle. (2)
3:39
Furnace on, fan blowing, off, then idle. (1)
1:48
Furnace fan on - constant blowing, metal rattles.
0:28
Elevator interior - ventilation fan hum.
2:15
Ventilation ambience - low oscillating fan rumble.
1:46
Submarine pipe room - air conditioner humming loudly.
1:23
Submarine engine room ventilation - loud resonant hum.
1:58
Submarine engine room ventilation - airy hollow hum.
1:59
Submarine engine room ventilation - eerie hollow rumble, lights buzzing.
1:01
Hotel hallway air ambience - airy ventilation fan steadily humming. (4)
0:39
Hotel hallway air ambience - airy ventilation fan steadily humming. (3)
0:39
Hotel hallway air ambience - airy ventilation fan steadily humming. (2)
0:39
Hotel hallway air ambience - airy ventilation fan steadily humming. (1)
0:52
Hotel hallway air ambience - loud, airy ventilation.
1:01
Hotel hallway air ambience - airy ventilation, cold.
0:47
Hotel air conditioner - steady buzz and hum. (2)
0:47
Hotel air conditioner - steady buzz and hum. (1)
0:31
Hotel bathroom ventilation - loud fan, high mid whine.