Have you ever heard of Vav Box Controllers? These amazing devices are designed to help you regulate and monitor the indoor temperature of a building, ensuring it always stays comfortable for those working inside. As one of the most important pieces of an HVAC system, having a Vav Box Controller can be essential for providing the best possible air quality in any work environment. But what is a Vav Box Controller exactly, and how does it work? In this article, we will outline the official business definition of a Vav Box Controller so that you can understand its purpose and appreciate its contribution to modern buildings.