How have you done this in the past?

I've placed a wireless sensor on a baseboard (out of the way) and has worked OK... no complaints from the customer. Left the wired pin sensor connected and hanging in the mech. room with the controller. Initially did it just to get things going, but everything seemed to work OK so I haven't gone back to it.

There has to be a better (cleaner) way, no?

Have a project coming up with a couple more and I'd like to have a better plan in place.