Hi Folk,

So following advise I got here, I discovered that portable split ACs exist in Switzerland (they are the same as a proper AC, but without installation). And I found some that have over 20K BTU, which is powerful enough.

The problem is that when I went viewing apartments, and asked landlords about it, they had no idea what this is, and due to them not understanding and prefering to live a simple life, chose other tenants.

The question is - should I even ask them? These devices require no modification of the home at all, are fully portable, and I found some that are quiet. Not to mention that some of the places I view make it easy to hide them from naighboors.

So do I even need their permission to use one?
If I do use one without asking them, and they object, what would happen? Am I able to stand my ground on this and refuse to remove it due to it not altering the apartment? What would be the consequence (including possible escalation) of such a situation?