For 2026, compare DIY mini splits by more than price: a 24 SEER2 rating can...

https://spencersexcellentcolumn.scriblorax.com/posts/20-btu-per-square-foot-rule-when-does-it-break-down

For 2026, compare DIY mini splits by more than price: a 24 SEER2 rating can help reduce power use, while an 8-75 ft line set affects placement. Check cold-weather performance too, especially if winter temperatures can reach -22 F.