About EnergyWise Double Glazing

Benefit from our vast economies of scale.

Although EnergyWise windows and doors are made-to-measure, they are
built in high volumes for world markets.

This gives you enormous buying power and a new opportunity to enjoy the
personal comfort and environmental benefits of double glazed windows at
prices close to those of ‘ordinary’ windows.

EnergyWise windows are fully supported by CertainTeed’s Melbourne
manufacturing facility. CertainTeed have been leaders and pioneers in
energy efficient glazing and building design since 1985.