For a 2026 DIY mini-split, compare more than the price: a 24 SEER2 rating can...

https://charlie-wiki.win/index.php/20_BTU_per_Square_Foot_Rule:_When_Does_It_Break_Down%3F

For a 2026 DIY mini-split, compare more than the price: a 24 SEER2 rating can mean lower running costs, while an 8-75 ft line set gives more placement flexibility. Check cold-weather limits, too, before choosing a unit for your space.