For 2026, a mini split with a SEER2 rating around 20 offers solid energy...

https://echo-wiki.win/index.php/Can_a_115V_Mini_Split_Plug_into_a_Normal_Outlet_Legally%3F

For 2026, a mini split with a SEER2 rating around 20 offers solid energy savings without the higher cost. Look for models that run on a standard 115V plug-in to avoid rewiring hassles