For a 2026 DIY mini split, compare more than the headline SEER2 rating. A 24...

https://iris-wiki.win/index.php/What_Is_HSPF2,_and_Does_It_Matter_for_Heating%3F

For a 2026 DIY mini split, compare more than the headline SEER2 rating. A 24 SEER2 unit may use less energy on paper, but a lower-cost model with a 16-foot line set can be a better fit than one that needs extra tubing or a longer run