For 2026, an easy install mini split with a SEER2 rating around 20 is a solid...

https://extra-wiki.win/index.php/What_Does_SEER2_Mean_for_My_Electric_Bill_on_a_Mini_Split%3F

For 2026, an easy install mini split with a SEER2 rating around 20 is a solid choice. Look for one that runs on a standard 115V plug—no hard-wiring needed