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ALTHERM Window Systems

Stylish contemporary lines, effective thermal technology and unwavering attention to detail have made Altherm a favourite with architects, designers and homeowners across New Zealand.

Residential Series ThermalHEART (5)

Clean, contemporary lines, smooth surfaces and generously sized profiles — that’s the essence of the Residential Series. Our innovative ThermalHEART technology takes the fight against winter cold, with an additional thermal insulator stitched into the core of our aluminium window system to deliver thermal performance up to 35% better than standard double-glazed windows.

News from ALTHERM Window Systems

Improved Glazing in APL Roof Window System
A Retreat by the Sea with Altherm Window Systems
Altherm’s Role in Award-Winning Nelson Apartments
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