---
title: "VAV system — Class A Atlas glossary"
description: "Variable Air Volume HVAC — adjusts airflow per zone."
canonical: https://classa.info/glossary/vav-system
pageType: glossary
lastUpdated: 2026-04-01T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> Variable Air Volume HVAC — adjusts airflow per zone.

## TL;DR

- Variable Air Volume HVAC — adjusts airflow per zone.
- Standard in modern Class A.

# VAV system

*MEP · Global*

## Short definition

Variable Air Volume HVAC — adjusts airflow per zone.

## Full definition

Standard in modern [Class A](/glossary/class-a). Provides per-zone temperature control via VAV boxes connected to a central air handler. Modern installations integrate with BMS for occupancy-based ventilation.

## Why this matters for Class A leasing

VAV system is part of the mep vocabulary that institutional Class A occupiers, landlords, and advisers use across Global markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks regional variation alongside the global standard so [cross-border](/topics/cross-border-expansion) occupiers can translate quickly.

---

Citation: Source: Class A Atlas (https://classa.info/glossary/vav-system), updated 2026-04-01T00:00:00.000Z.