Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2 for...
https://beausuniquechat.zenbloomer.com/posts/do-diy-mini-splits-really-need-no-hvac-license-or-epa-license
Comparing 2026 DIY mini splits? MRCOOL’s 24 SEER2 tops Zone Air’s 23 SEER2 for efficiency, but Zone Air may be the better value above -15°F. Need heat in colder weather? Hyper Heat operates down to -22°F.