Below is a sneak peak at the ‘in-development’ screen-grab of the forthcoming Passivhaus U-value App:

We’re in the final stages of testing, all the code is written and is being beta-tested on devices; so far all the calculations for all conditions (where Rse and Rsi are critical) are working OK.

To make sure you receive details on when the app is released (for Apple iOS and Android) subscribe via email in the right hand widget…