In 2026, look for mini splits with a SEER2 rating around 18 for a solid balance...
https://tessatopmaid.com/do-i-need-a-permit-to-install-a-mini-split-myself/
In 2026, look for mini splits with a SEER2 rating around 18 for a solid balance of efficiency and cost, usually priced between $1,200 and $1,800