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

https://super-wiki.win/index.php/Is_Coiling_Extra_Copper_Behind_the_Condenser_a_Problem%3F

For a 2026 DIY mini split, compare more than SEER2. A 24 SEER2 rating looks good, but line-set length, cold-weather output, and parts support matter once you install and live with it