Heat loss through thermopane double window. a double-glazed window called thermopane is one in which two layers of glass are separated by a layer of dry, stagnant air. in a given window, each of the glass layers is 6.35 mm thick separated by a 6.35 mm space of stagnant air. the thermal conductivity of the glass is 0.869 w/m*k and that of air is 0.026 over the temperature range used. for a temperature drop of 27.8 k over the system, calculate the heat loss for a window 0.914 m * 1.83 m.(note: this calculation neglects the effect of the convective coefficient on one outside surface of one side of the window, the convective coefficient on the other outside surface, and convection inside the window.)