Rationel AURA Window
Our new ‘energy-contributing’ Rationel AURA windows offer the same excellent properties as Rationel AURAPLUS, but these windows are made entirely from Timber. You can therefore combine a beautiful natural look with a clean contemporary design for modern buildings and Passiv Haus. Rationel AURA ensures that high levels of daylight and solar heat gain are achieved. This free heat is the best energy source available and also provides a healthy and comfortable indoor climate. These windows come with security ironmongery as standard, and are suitable for Passiv Haus buildings.
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