Refers to how much of the parking spaces are changed every hour. Which can vary greatly depending on the parking facility.
The density of carbon dioxide at a selected temperature, initially set at 20ºC
A factor that determines how much carbon dioxide an engine emits, depending on how hot and how long the car is covered in the garage.
A factor that depends on the type of ventilation system used.
| Impulse system | 1,0 |
| Duct based system | 1,25-1,5 |
The carbon dioxide content found in the outdoor air.
The highest permitted carbon dioxide content in the garage.
The estimated air flow required to keep the carbon dioxide content in the parking facility down.
The carbon dioxide flow emitted by the cars driven in the garage.
| Air flow: |  |
|---|---|
| Carbon dioxide flow: |  |