Abstract: Disclosed is a glazing unit including an insulating glazing unit that is assembled with at least three panes for use in a window or as a part of a wall in a property, including a first pane that is located closer to the exterior of the property, a second pane located closer to the interior of the property, and a third pane located between the first and the second panes, whereby the first pane is provided on its surface that is facing inwards with a coating 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 and the third pane are provided with a coating that reduces the radiation of heat in the form of an oxide layer that is burned into the surface of the pane.