Caluwin is an app for calculating U-values of windows according
to DIN EN ISO 10077 and DIN EN13947.

Features:

- Uw-values of windows according to DIN EN ISO 10077-1

- Condensation calculator

- Surface temperatures and condensation risk in the glass edge area

- Window Energy Savings Winter

- Window Energy Savings Summer

- Window Energy Savings Winter + Summer

- Window Energy Ratings Switzerland, Denmark, France, UK

- Passive House Efficiency

- SWS Air Simulation (lifetime, elevated transport)