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uw

A free tool for ALUMIL customers

This calculator is an easy to use excel file which will demonstrate the energy efficiency of ALUMIL aluminium systems.
This excel file tool has been designed to calculate the thermal transmittance (U Value) of windows and doors using ALUMIL window & doors profiles. Also, the user can calculate U values for specific sizes and styles of windows and doors.

Benefits of the Uw Calculator:

  • Dimensions can be calculated for all relevant types with ALUMIL window and façade systems
  • A wide range of ALUMIL series
  • Selection of double or triple glazing with various Ug values
  • Selection of various psi values
  • Roller Shutter selection and Uw calculation
  • As a downloadable excel file, you always have access to the latest version – without the need for updates

How It Works

  • Fill in at the first worksheet the frame details in order to measure the Uw factor
  • You see the results in the second worksheet, which you can also print for later use
If you have any requirements which are not covered within this calculator excel, or you have any questions relating to its use, please contact customerservice@alumil.com