For 2026, top cold-climate mini splits hit 24 SEER2 and heat reliably down to...

https://mariossuperbchat.wordcanopy.com/posts/zone-air-24-seer2-vs-mrcool-23.5-seer2-does-1-point-matter

For 2026, top cold-climate mini splits hit 24 SEER2 and heat reliably down to -22°F. Models with 8-75 ft line sets streamline DIY installs, saving you $1,500-$3,000 on labor