Thinking about a 2-zone or 3-zone mini split system in 2026? A typical 2-zone...
https://sierra-wiki.win/index.php/Is_HSPF2_13_Really_That_Much_Better_Than_10%3F
Thinking about a 2-zone or 3-zone mini split system in 2026? A typical 2-zone kit runs about $3,510, with some models working down to -13°F