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

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In 2026, top cold-climate mini splits deliver up to 24 SEER2 efficiency and operate down to -22°F, perfect for harsh winters. DIY-friendly models come with 8-75 ft line sets for flexible installs, saving you $1,500-$3,000 on professional labor