For 2026, top cold-climate mini splits deliver up to 24 SEER2 efficiency and...

https://emmasnewjournal.talesignal.com/posts/mini-split-permits-do-i-really-need-one-for-diy-installation

For 2026, top cold-climate mini splits deliver up to 24 SEER2 efficiency and heat down to -22°F, perfect for harsh winters. Most models support 8-75 ft line sets, giving flexible install options. DIYers save $1,500-$3,000 compared to pros