What does VAC mean in UNCLASSIFIED

Definition

Ventilation and Air Conditioning (VAC) is a term used to describe systems and methods by which air quality, humidity levels, temperatures, odors, particulate concentrations, and other atmospheric conditions are managed in indoor or semi-enclosed spaces. The primary objective of these systems is often climate control—that is, maintaining optimal temperature ranges and humidity levels so that occupants are kept comfortable regardless of the season or weather conditions outside. Typical components of these systems include ventilation fans, ducts, cooling coils and condensers (for cooling), heating coils (for heating), filters (for removing particulate matter from the air flow).

Types

Ventilation and Air Conditioning systems come in two primary types: Mechanical VAC Systems or Natural VAC Systems. Mechanical VAC Systems rely on mechanical components such as fans and blowers to move air through a space while providing necessary conditioning effects like humidification or dehumidification as needed. Natural VAC Systems rely on natural processes such as wind patterns to circulate air through a given space without relying upon powered components other than those used primarily for featuring purposes.

Benefits

The primary benefit provided by well-designed Ventilation and Air Conditioning systems are improved working conditions within enclosed spaces as well as improved energy efficiency since temperature extremes no longer need to be managed using more expensive heating/cooling sources such as electric heaters/air conditioners alone. By properly managing all environmental variables such as humidity levels etc., workplaces or living spaces can remain comfortable year round even when faced with extreme seasonal variations without sacrificing energy costs associated with running additional equipment unnecessarily.