The vapor pressure is continuous and such that any wrinkles disappear almost instantaneously. Still, for cotton after a few washes and shirts, must refrain eco mode. Only the mode of maximum power will be effective >>> Impact electricity.
For the rest, we appreciate the amount of water and therefore the autonomy between two filling and being able to make the filling, keeping the iron heats up.
In use and keeping full heated, easily reduced by two the ironing time justifying any price !!!!