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

https://bluecircuitry.com/s/g7-4gRCqic2M7g0vHNV5A

For 2026, compare DIY mini splits by more than SEER2: check line-set length, cold-weather performance, and parts support. A 24 SEER2 rating looks good, but an 8-75 ft line set and -22 F operation matter more if they fit your home.