# Caluwin

> Utilities

Canonical page: [https://chrome-stats.com/d/id688220781](https://chrome-stats.com/d/id688220781)

## Overview

- **ID:** `id688220781`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Removed
- **Publisher:** Sommer Informatik GmbH
- **Category:** Utilities
- **Version:** 0.134.66
- **Last updated:** 2025-01-08
- **First published:** 2013-09-10
- **Size:** 13 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/caluwin/id688220781)
- **Website:** [https://www.sommer-informatik.de](https://www.sommer-informatik.de/)
- **Privacy policy:** [https://www.sommer-informatik.de/010196/datenschutz/Datenschutzerklaerung\_Sommer\_Informatik\_Caluwin\_EN.pdf](https://www.sommer-informatik.de/010196/datenschutz/Datenschutzerklaerung_Sommer_Informatik_Caluwin_EN.pdf)

## Description

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)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id688220781)