The main difference between diesel and electricity is the heating method,
The power consumption has big difference, also the heating temperature control in each zone is different, the heating method by electricity is heating tubes, the heting temperature in each zone could be set up individually, but the heating method by diesel in the burner, the heating temperature in each zone couldn't be adjusted  (all temperature meter in each zone is only for displaying the present temperature in the zone, except the burner temperature,