For 2026, a 115V plug-in mini split with a SEER2 rating around 20 makes sense...

https://ameblo.jp/finnklwb989/entry-12979978330.html

For 2026, a 115V plug-in mini split with a SEER2 rating around 20 makes sense for most homes. It’s easy to install yourself without rewiring, fits standard outlets, and still delivers efficient cooling and heating