Gothenburg's City Parking Authority chose AP's gas detectors

Parking garage "kv.Koffern" with 500 parking spaces at 6 levels above ground at the "Stena" terminal have installed automatic ventilation control to save money. The system also activates an alarm warning for too much gas.

Axial fans and impulse fans controlled by carbon monoxide sensors.
At each level the air is distributed by 5 impulse fans. 34m³/s unheated air is added to the building through two axial fans via the air shaft to the 6 levels.