In 2026, top cold-climate mini splits offer up to 24 SEER2 efficiency and...

https://page-wiki.win/index.php/Zone_Air_Uses_R-454B:_What_Does_That_Mean_for_Rebates%3F

In 2026, top cold-climate mini splits offer up to 24 SEER2 efficiency and reliable heating down to -22°F. Expect units with an 8-75 ft line set range, making installation flexible for DIYers