Vertical Heated Towel Rails

[JackMeyer]

Good day,
I would like to ask what the experience is on vertical heated towel rail installations as opposed to the heated ladder rails. What are the common difficulties you run into and is it more time consuming to install than the ladder rails?

To me, it doesn't make much sense, even though it does take up less space. I'm just curious, looking at installation instructions and the wiring of it.

Thanks