The air changes per hour.

Namespace: Autodesk.Revit.DB.Analysis
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2018

Syntax

C#
`public double AirChangesPerHour { get; set; }`

Visual Basic
`Public Property AirChangesPerHour As Double Get Set`

Visual C++
`public: property double AirChangesPerHour { double get (); void set (double value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentException	When setting this property: The value should be between [0.0,10000].