For correct ventilation, the ventilation opening of 35 mm should be required between the back wall and the floor of the installation cabinet, the ventilation gap of 10 mm/4 mm is required between the oven top rim and the furniture lower rim, and between the oven both sides rim and the side cabinet, these openings must not be closed by any way. So ensure that the sides are not touching the front edges of the housing.
Oven
Close kitchen cabinet or appliance.