Bifolds Plus Thermal Efficient windows


Thermal Efficiency

Our windows have been designed to keep a home warm when it’s chilly and cool when it’s hot. Featuring an advanced triple weather seal that resulted in unrivalled weather testing results, our windows ensures that the elements are kept outside and that energy bills stay low.

Boasting a Certified U-Value of 1.5, our windows significantly exceeds British Building Regulation requirements for optimum efficiency, achieving a Window Energy ‘A’ Rating based on double glazed simulations.