For 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make this a close DIY mini...

https://homesandexterior.com/best-diy-mini-split-heat-pump-2026-mrcool-vs-competitors/

For 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make this a close DIY mini split heat pump matchup. Choose value if winters stay above -15 F; pick Hyper Heat for heating down to -22 F. Climate makes the call.