Choosing a DIY mini split in 2026 takes more than comparing SEER2 ratings....
https://evelynsexpertcolumns.brightsora.com/posts/does-cooper-amp-hunter-void-the-warranty-if-i-install-it-myself
Choosing a DIY mini split in 2026 takes more than comparing SEER2 ratings. Check cold-weather limits, noise, warranty support, and line-set length. A 24 SEER2 unit may look efficient, but an 8-75 ft line set can make or break a practical install.