For a 2026 DIY mini split, compare more than the SEER2 label: a 24 SEER2 unit...

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 SEER2 label: a 24 SEER2 unit may use less power, while an 8-75 ft precharged line set can simplify installation. Check cold-weather heating and total cost before choosing.