Ewitherm Windows - Passivhaus Windows

We all want to live healthy and comfortable lives. Unfortunately, the Earth’s natural resources may not last forever. Now more than ever, it is crucial that we develop ecological products in order to preserve energy resources. Passivhaus otherwise known as Passive House Windows like from Vrogum help you to reduce your environmental impact.

Vrogum’s Zero Energy window does exactly that. Ewitherm windows not only provide you with a comfortable and healthy living environment, they also save you energy.
Pollution is significantly reduced when we burn less domestic fuels. Thus, Ewitherm energy windows are not just a question of your family’s comfort and central heating bill, but also a vital improvement of the Earth’s environment in an easy and pleasant way.

The picture to the right is of the Pine Calyx project in St Margaret's Bay near Dover. Co-designed by www.conkerconservation.co.uk/

Specification

Energy windows absorb solar radiant heat and to achieve the extremely high insulation value, these Passivhaus windows are manufactured from laminated spruce with 1 or 2 layers of cork as well as a themically insulated aluminium drip sill at the bottom. The glass is a triple glazed pane with warm edge and argon gas with an Uw-value of only 0.6 (Ewitherm 0.8) or 0.8 (Ewitherm 1.0)

Hardware

Ewitherm windows can be ordered as either side hung, tilt/turn or turn window with multi point anodised safety hardware from Roto. All hinges are 3D adjustable which ensures optimal adjustment of all window sashes.