The invention concerns a glazing unit (1) comprising an insulating glazing unit that is assembled with at least three panes (3, 4, 5) for use in a window or as a part of a wall in a property, comprising a first pane (3) that is located closer to the exterior of the property, a second pane (4) located closer to the interior of the property, and a third pane (5) located between the first (3) and the second (4) panes, whereby the first pane (3) is provided on its surface that is facing inwards with a coating (8) that reduces the radiation of heat in the form of an oxide layer burned into the surface of the pane, whereby also the second pane (4) and the third pane (5) are provided with a coating (9, 10) that reduces the radiation of heat in the form of an oxide layer that is burned into the surface of the pane.
