For 2026, a 20 SEER2 mini split with a 115V plug-in option is a solid choice...

https://www.ready-bookmarks.win/for-2026-look-for-a-mini-split-with-at-least-a-19-seer2-rating-that-runs-on-a

For 2026, a 20 SEER2 mini split with a 115V plug-in option is a solid choice for easy DIY installation. These units cool efficiently down to 5°F, perfect for mild climates