---
title: "Chilled beam — Class A Atlas glossary"
description: "Energy-efficient HVAC using chilled water rather than circulated air."
canonical: https://classa.info/glossary/chilled-beam
pageType: glossary
lastUpdated: 2026-04-01T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> Energy-efficient HVAC using chilled water rather than circulated air.

## TL;DR

- Energy-efficient HVAC using chilled water rather than circulated air.
- Common in EU Class A.

# Chilled beam

*MEP · EU*

## Short definition

Energy-efficient HVAC using chilled water rather than circulated air.

## Full definition

Common in EU [Class A](/glossary/class-a). Reduces ductwork (good for floor-to-floor heights) and uses less fan energy. Less common in US due to humidity-control limitations.

## Why this matters for Class A leasing

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

---

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