a heating home appliance , in particular a household appliance such as an oven , includes an appliance space having at least one heating body . at least one multi - ply layer of air - tight foils at least partly surrounds the appliance space , enclosing air chambers , being at least peripherally joined together and otherwise being kept mutually spaced apart from one another . the at least one foil layer has foil edges , with an air - tight - sealed edge on all sides being formed of the foil edges and forming a flexible fastening and / or connecting element .