In 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make this DIY mini split...

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

In 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make this DIY mini split heat pump comparison a close call. Choose MRCOOL for better value above -15°F; pick Zone Air’s Hyper Heat for reliable heating down to -22°F all winter.