This 2026 DIY cold-climate mini split comparison looks at Zone Air and MRCOOL...

https://lilyluxemaids.com/zone-air-vs-mrcool-for-a-garage-which-one-helps-you-avoid-new-breaker-costs/

This 2026 DIY cold-climate mini split comparison looks at Zone Air and MRCOOL for real-world winter use, efficiency, install needs, and parts access. One model is rated to -13°F, but check your home’s heat loss and electrical setup before choosing.