In 2026, top cold-climate mini splits hit 24 SEER2 and perform down to -22°F,...

https://cleaneverycorner.com/how-do-i-size-btus-per-square-foot-for-a-cold-climate-garage/

In 2026, top cold-climate mini splits hit 24 SEER2 and perform down to -22°F, keeping homes warm without struggle. DIY-friendly models offer 8-75 ft line sets for flexible installs