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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

New Complex Reflects Faith in Queenstown’s Future
Altherm Windows and Doors Create an Urban Oasis
This Altherm Holiday Home Has Views to the Future
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