Gaggenau VC 422-610 - Manual (Page 13)

Pots and saucepans should always be covered by a
matching lid. The cooking time is shortened and
the energy use reduced.
Pay attention to the right size when choosing pots
and pans. The diameters of pots and pans should
correspond to that of the hotplate. When buying
pots, pay attention to the fact that the manufacturer
frequently specifies the top pot diameter, which is
generally larger than the diameter of the base.
We recommend that you use high quality pots and
pans with thick flat bases.
For longer cooking times, it is possible to switch off
the cooking zone before the end of the cooking
time to make use of the residual heat.
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4. Energy Saving Tips