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

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For 2026, top cold-climate mini splits hit up to 24 SEER2 efficiency and work down to -22°F, perfect for harsh winters. They support line sets from 8 to 75 feet, letting you flexibly place units. DIY installation can save $1,500 to $3,000 compared to pros