Energy efficiency
For excellent thermal properties and to achieve greater energy savings, REHAU Tritec windows can easily achieve an A rating, the highest possible Window Energy Rating (WER) for thermal efficiency. The more efficient your home, the more you save.
All REHAU windows can achieve the minimum requirement, a C-rated Window Energy Rating (WER), and can therefore carry an 'Energy Saving Recommended' mark.
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is used. For windows this requirement is an overall U-Value of 1.6 W/m2K and for doors 1.8 W/m2K.
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