The replacement of a quantity of air in a space within a given period of time, typically expressed as air changes per hour. If a building has one air change per hour, this is equivalent to all of the [..]

A method of expressing the amount of air infiltration and/or ventilation of a building or room in terms of the number of building volumes or room volumes exchanged per unit of time.

The amount of air required to completely replace the air in a room or building; not to be confused with re-circulated air.

The amount of air required to completely replace the air in a room or building; not to be confused with re-circulated air.

The amount of air required to completely replace the air in a room or building; not to be confused with re-circulated air

The amount of air required to completely replace the air in a room or building; not to be confused with re-circulated air.

The volume of air necessary to completely replace the air in an enclosed space.

The quantity of infiltration or ventilation air in cubic feet per hour divided by the volume of the room. An air change of 1 means that the room under consideration had a complete air exchange with th [..]

An Air change refers to  replacing air in a room, building or assigned space.. Air changes in a confined space are important for a variety of reasons, mainly though, we need fresh air to live. Without [..]

The amount of air required to completely replace the air in a room or building; not to be confused with re-circulated air.

The amount of air required to completely replace the air in a room or building; not to be confused with recirculated air

The amount of air required to completely replace the air in a room or building; not to be confused with re-circulated air.