Upgrading an older ice machine is a common choice when reliability drops or production no longer meets demand. Planning retrofits, such as swapping an old unit for a new Hoshizaki, often seems simple. However, modern machines usually do not fit the same way as older units did.

New Hoshizaki models are designed for higher efficiency, better airflow, and updated water and drain standards. This may require adjustments to space, utilities, and workflow. Whether you’re replacing an undercounter bar unit, a back-of-house system, or a backbar ice machine, understanding the necessary changes helps prevent delays and performance issues.

What Changes During a Retrofit

Physical footprint and height

Newer Hoshizaki machines may be taller, deeper, or vent differently than older models. Installers check cabinet openings, counter heights, and surrounding