3:22
HVAC system – Rooftop. Hum, Steady. Subtle rattle (2).
3:19
HVAC system – Rooftop. Hum, Steady. Subtle rattle (1).
1:42
HVAC system – Garage. Hum, Steady. (5).
1:15
HVAC system – Garage. Hum, Steady. (4).
1:57
HVAC system – Garage. Hum, Steady. (3).
1:27
HVAC system – Garage. Hum, Steady. (2).
2:05
HVAC system – Garage. Hum, Steady. (1).
0:25
HVAC system – Big generator. Humming and rattling. Some oscillation in low end content.