here at my school we use teamviewer to remote control and remote work/render on our new render workstation.
with teamviewer on windows you can define a permanent password and it starts as a windows service.
for private use it is free.
You can upload / download files - make use of the mouse and have full access, like you are virtually sitting in-front of the computer. You can also set the screen color to millions so you can see a better result. The screen refresh is quite
rendering with 16 cores just rocks …