For 2026, compare DIY mini splits by more than SEER2: check line-set length,...

https://manuelsultimateop-eds.lucialpiazzale.com/9k-vs-12k-mini-split-for-a-small-office-350-450-sq-ft

For 2026, compare DIY mini splits by more than SEER2: check line-set length, low-temperature heating, and what the warranty excludes. A 24 SEER2 model with an 8-75 ft line set may suit one room, but installation details matter. Check service access, too.