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

https://www.thepaintedhinge.com/best-easy-install-diy-mini-split-system-mrcool-pioneer-cooper-hunter-and-zone-air-compared/

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.