For a 2026 DIY mini split comparison, look beyond SEER2: a 24 SEER2 rating may...

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For a 2026 DIY mini split comparison, look beyond SEER2: a 24 SEER2 rating may save power, but line-set length and cold-weather performance matter too. Check whether the kit includes an 8-75 ft line set and suits your climate before buying.