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mini splits

Kwatters | Posted in General Questions on

last spring had ductless mini splits installed in our house.  they are great in every way.  However, this summer (live in CA) we are experiencing smoke from area fires.  I was wondering if a mini-split can be set to re-circulate inside air only and not pull air in from outside.  We have a bryant mini split, but just wondering how these work in general.

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