Caluwin – engery-saving calculator

Caluwin is an energy calculating app that lets users change window materials, styles, glass, spacer bars and other components to compare the performance and energy savings of different windows. Smart, slick and user-friendly, Caluwin shows architects, technicians and engineers as well as designers and developers how much energy and money they will save with their new windows. It also calculates the reduction in CO2 emissions.

This tool lets you calculate the U-values of nearly any type of window. User can also change external temperatures to calculate the likelihood of condensation forming and the risk of mould developing.

Caluwin is available as an App for iOS and Android devices.

Caluwin launched an online version, which can be found at www.caluwin.co.uk.