For a straightforward 2026 install, look for a mini split with a SEER2 rating...
https://www.random-bookmarks.win/looking-for-an-easy-to-install-mini-split-in-2026-consider-models-with-a-23
For a straightforward 2026 install, look for a mini split with a SEER2 rating around 20 for good efficiency. Choose a model that runs on a 115V plug-in to avoid complex electrical work