For 2026, an easy-install mini split with around 21 SEER2 efficiency is a solid...

https://tessatopmaid.com/do-i-need-a-permit-to-install-a-mini-split-myself/

For 2026, an easy-install mini split with around 21 SEER2 efficiency is a solid pick. Look for a model that runs on a standard 115V plug if you want to skip electrical upgrades