Want heat in your shop? A mini split can help, but size, wire, and wall seals...

https://camilassuperwords.readspirex.com/posts/mini-split-vs.-electric-space-heater-why-is-the-heat-pump-cheaper-to-run

Want heat in your shop? A mini split can help, but size, wire, and wall seals matter. This DIY guide shows how to pick a unit, route the line set, seal the hole, and check if a 15A breaker will work