For 2026, the best cold-climate mini splits run efficiently down to -22°F with...

https://wiki-coast.win/index.php/How_Much_Does_Pro_Installation_Add_to_a_12K_Mini_Split%3F

For 2026, the best cold-climate mini splits run efficiently down to -22°F with impressive 24 SEER2 ratings. Most units come with an 8-75 ft line set allowing flexible installs