For 2026 cold-climate DIY mini split installs, look for units with at least 24...

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For 2026 cold-climate DIY mini split installs, look for units with at least 24 SEER2 efficiency and heating down to -22°F. Models with 8-75 ft line sets give flexibility for placement. Expect to save $1,500 to $3,000 on installs by going DIY