HVAC - Air Change Rate

Air-change rate (ACH) required for various marine spaces - engine room, accommodation, galley, battery room.

Air changeHVACVentilation

Space typeSpace volumem³

Required ACH: 61/h

Design flow: 720m³/h

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\dot V = V \cdot ACH

Symbol	Meaning	Unit
$ACH$	Air changes per hour	1/h

Source: ASHRAE Application Handbook; MLC 2006 Title 3

In short

Air-change rate (ACH) required for various marine spaces - engine room, accommodation, galley, battery room.

Learn the theory Marine Auxiliary Engines and Generators