The Ductless Minisplit System has separate indoor and outdoor units and only requires a 3-inch diameter opening through a wall to run the drain pipe.

The Ductless Minisplit System has separate indoor and outdoor units and only requires a 3-inch diameter opening through a wall to run the drain pipe. In multi-zone systems, one condensing section can connect to up to five indoor air handlers for individual control in different rooms.
Bosch
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