The online grocery is facing big challenges. In addition to products of daily use, it is necessary to deliver fresh, chilled and frozen foods quickly and reliably to the customer. Frozen products are delivered for decades to the customers by using small cooling vans. Since some years also normal parcel delivery services in combination with insulated shipping containers are used. This article examines in a comparative analysis the environmental impact of alternative shipping modes in comparison to normal supermarket shopping by use of a life cycle assessment according to DIN EN ISO 14040.