For 2026, MRCOOL’s DIY mini split offers 24 SEER2 efficiency and comes with...

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For 2026, MRCOOL’s DIY mini split offers 24 SEER2 efficiency and comes with custom line sets from 8 to 75 ft, starting at $2,049.99—great if you need tailored installation. Zone Air’s system, priced at $1,899.99, is slightly less efficient at 23