Theres a few ways of guessing what kind of control protocols radio devices use.
Firstly the simplest types are merely on/off devices which only have 2 states, on and off.
The RC switch protocol is this type and can detect a lot keyfobs if they provide this functionality.
However devices that need some kind of proportional control, like winding things up and down by holding buttons down wont use RC switch, so these are the ones that are hard to work out.
So if your controller can wind temperatures up and down in a linear fashion, you have a tuff job ahead to figure this out.