Thinking about a 2-zone or 3-zone DIY mini split in 2026? A good-quality 2-zone...
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Thinking about a 2-zone or 3-zone DIY mini split in 2026? A good-quality 2-zone kit runs about $3,510, offering efficient cooling and heating down to -13°F. Adding a third zone means extra wiring and about $500-$1,000 more for a pro electrician