Shopping DIY mini splits for 2026? MRCOOL offers 24 SEER2, compared with Zone...

https://victor-wiki.win/index.php/18,000_BTU_Mini_Split_for_700_Sq._Ft.:_Does_That_Match_the_Rule_of_Thumb%3F

Shopping DIY mini splits for 2026? MRCOOL offers 24 SEER2, compared with Zone Air’s 23 SEER2. The key choice: best value for heating above -15°F, or Zone Air Hyper Heat for cold-weather performance down to -22°F.