In 2026, the top DIY cold-climate mini splits hit efficiency ratings up to 24...

https://yonderstack.com/s/GqtE7auwaEdDispIWF57S

In 2026, the top DIY cold-climate mini splits hit efficiency ratings up to 24 SEER2 and operate reliably down to -22°F. Most systems support line sets from 8 to 75 feet, perfect for varied layouts