Dreo oil heater uses premium diathermic oil, non-toxic and odorless. It's also completely sealed and the oil never evaporates or disappears. No refill or change needed forever. If you have any questions about Dreo radiator heater, please feel free to contact us, we are always at your service.
#2 Should I want to move the heater while it is still hot, is there a handle or a safe cool place to grab to move it?
There is a handle at the back of the heater. You can move the heater by the handle while it is working.