We would like to put a microwave above the counter, either as a builtin unit or within a cabinet above. We’d like to try to keep the depth of the overhead cabinet to no more than 35 centimeter ( 14 inches).

The built-in microwaves we are considering is 20 liter capacity Bosch series 4 or the Siemens ( I understand that these are essentially the same company, but the interfaces are very different). Does anyone own one? They come with a warning that the interior cavity is very small! Has it been a problem for anyone? Typically we just warm a beverage or plate of leftovers.

We are also looking at the Samsung 23 liter builtin, but I can’t tell from the manual how much ventilation space is required behind the unit. Customer service here is not well- informed.The Bosch and Siemens builtin do not require rear ventilation. Is anyone familiar with the Samsung builtin and if that is also true?

Thanks much for your insight.