For 2026, top cold-climate mini splits deliver up to 24 SEER2 efficiency and...

https://www.booknose.win/in-2026-cold-climate-mini-splits-hit-new-highs-with-up-to-24-seer2-efficiency

For 2026, top cold-climate mini splits deliver up to 24 SEER2 efficiency and operate down to -22°F, perfect for harsh winters. Most models support 8-75 ft line sets, making installation flexible