For 2026, the best cold-climate mini splits deliver up to 24 SEER2 efficiency...

https://fast-wiki.win/index.php/Zone_Air_12K_230V_vs_115V:_Which_One_Should_I_Pick%3F

For 2026, the best cold-climate mini splits deliver up to 24 SEER2 efficiency and reliable heating down to -22°F. Most DIY-friendly units support 8 to 75 ft line sets, letting you customize placement