For 2026, compare MRCOOL and Zone Air DIY mini splits: MRCOOL offers 24 SEER2,...

https://beausuniquechat.zenbloomer.com/posts/do-diy-mini-splits-really-need-no-hvac-license-or-epa-license

For 2026, compare MRCOOL and Zone Air DIY mini splits: MRCOOL offers 24 SEER2, Zone Air 23 SEER2. Want best value above -15°F? Choose that. Need Hyper Heat down to -22°F? That’s the key upgrade. Match your system to your winter lows.