For 2026, compare DIY mini splits by more than efficiency. A 24 SEER2 rating is...

https://uniform-wiki.win/index.php/Ceiling_Cassette_Mini_Split:_Is_It_Harder_to_Install_Than_a_Wall_Mount%3F

For 2026, compare DIY mini splits by more than efficiency. A 24 SEER2 rating is useful, but check line-set length and cold-weather performance too. An 8-75 ft line set or -22 F heating rating can matter more in everyday use.