For a 2026 DIY mini split, compare more than price: a 24 SEER2 rating looks...

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For a 2026 DIY mini split, compare more than price: a 24 SEER2 rating looks good on paper, but line-set length, cold-weather output, and service access matter day to day. Some kits include 8-75 ft of line, which can save a tricky install.