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Altherm Window Systems is one of the most respected brands in the New Zealand building industry.

Its name is synonymous with windows and doors of quality and innovation. Prominent in aluminium joinery for over 40 years, Altherm has a strong following with architects and designers.

Responding to the unique needs of New Zealand environment and building requirements has been ongoing for Altherm. Sweeping upgrades and modernisations to most products occurred in 2000 and again in 2008. These refinements have been design and performance-driven, especially to ensure effortless compliance with Building Code upgrades on thermal efficiency.

ALTHERM website Specifier site