For a 2026 DIY mini split, compare more than the efficiency rating. A 24 SEER2...

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

For a 2026 DIY mini split, compare more than the efficiency rating. A 24 SEER2 model may use less power, but check whether its heating output still suits your climate, and whether the included line set reaches your planned spot - some kits cover 8-75 ft