For 2026, a 115V plug-in mini split with around 22 SEER2 offers a good balance...

https://codysnicejournal.lowescouponn.com/zone-air-9-000-btu-plug-in-model-good-for-a-bedroom

For 2026, a 115V plug-in mini split with around 22 SEER2 offers a good balance of efficiency and ease of install. It works well in spaces up to 600 sq ft and can be DIY installed without special wiring