Smart technology achieves greater energy efficiency for your home REHAU design significantly reduces heat loss and keeps out draughts. For excellent thermal properties and to achieve greater energy savings, REHAU S706 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. REHAU windows and doors will comply with Part L Building Regulations providing the correct glazing unit is used. For windows this requirement is an overall U-Value of 1.6 W/m2K and for doors 1.8 W/m2K.