For 2026, consider the Mitsubishi 12,000 BTU mini split with a 23 SEER2 rating....

https://www.bookmarking-online.win/for-2026-a-115v-plug-in-mini-split-with-around-22-seer2-offers-a-good-balance

For 2026, consider the Mitsubishi 12,000 BTU mini split with a 23 SEER2 rating. It plugs into a standard 115V outlet, so no complex electrical work is needed