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

https://mighty-wiki.win/index.php/24_SEER2_vs._17_SEER2:_How_Much_Money_Do_You_Save_at_18.4_Cents_per_kWh%3F

For 2026, compare DIY mini splits by more than SEER2: check line-set length, cold-weather rating, warranty, and parts access. A 24 SEER2 unit with an 8-75 ft line set may fit one room, but total cost and long-term serviceability matter too.