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Multi-split system

Also known as multi split

A multi-split system connects several compatible indoor AC units to one outdoor unit.

A multi-split system is a fixed AC or air-to-air heat-pump arrangement in which several permitted indoor units share one compatible outdoor unit. Manufacturer combination data sets the connected-unit rules, available capacity and operating restrictions.

Category

Air conditioning

Applies to

Heat pumps & AC

Last reviewed

28 Jul 2026

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