For a 2026 DIY mini split, compare more than the SEER2 number: check line-set...

https://oliviamaids.com/budget-mini-split-installed-cost-why-is-it-1800-to-3500/

For a 2026 DIY mini split, compare more than the SEER2 number: check line-set length, low-temperature performance, and what installation really involves. A 24 SEER2 rating looks good on paper, but an 8-75 ft line set may matter more in your room.