U Value Calculator For Windows
U Value Calculator For Windows . This calculator is an easy to use excel file which will demonstrate the energy efficiency of alumil aluminium systems. Insulating glass, double, 24 mm gap, argon filling: Getting to grips with Uvalues! TheGreenAge from www.thegreenage.co.uk You need to look at how your building element is constructed and work out the r value for each element, see the diagram. This calculator is an easy to use tool which will demonstrate the energy efficiency of rehau systems. This excel file tool has been designed to calculate the thermal transmittance (u value) of windows and doors using alumil window & doors profiles.