After our 5th year old at that time really really expensive Liebherr freezers our full freezers could not keep below zero, I had to organize a new device to me after futile attempts repair of customer service. And after these devices probably mttlerweile after 5 years anyway give up the ghost, I now simply a device selected, the rated good and cheap. Since most devices are always a few manufacturers (then just with different names) produced I have resorted to this Bosch unit. So far, he performs his duties without complaint. Even with the opening of the door there is no problem - with me the freezer does not slide around on the floor (and I'm even more of a Grobmotoriker) So I can recommend the unit with a clear conscience.