For 2026, compare DIY mini splits by more than efficiency. A 24 SEER2 rating is...

https://wakelet.com/wake/GSU61mbicfoKpksyVEXgh

For 2026, compare DIY mini splits by more than efficiency. A 24 SEER2 rating is useful, but check line-set length and cold-weather performance too. An 8-75 ft line set or -22 F heating rating can matter more in everyday use.