Shopping for a DIY cold-climate mini split in 2026? Compare Zone Air and MRCOOL...

https://spencerssmartword.quillnesty.com/posts/why-do-hvac-techs-refuse-to-service-self-installed-mini-splits

Shopping for a DIY cold-climate mini split in 2026? Compare Zone Air and MRCOOL on low-temperature heating, line-set details, and install steps. One model heats down to -22°F; check electrical needs and cold-weather output before choosing.