For 2026, a good easy-install mini split is one with a 115V plug-in option, so...

https://daisydustmaid.com/will-a-diy-mini-split-heat-my-house-down-to-13f/

For 2026, a good easy-install mini split is one with a 115V plug-in option, so you can avoid rewiring. Look for models with at least a 20 SEER2 rating—they save on energy bills without needing professional hardwiring