For 2026, a mini split with a SEER2 rating around 21 makes sense if you want...

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

For 2026, a mini split with a SEER2 rating around 21 makes sense if you want energy savings without a big upfront cost. Look for models that run on a simple 115V plug-in—easier for DIY installs than 230V hard-wired units