Altherm Aluminium – Onekawa

Altherm Window Systems is well known and trusted by New Zealand home owners, designers and builders. With over 40 years of local innovation and a manufacturer network stretching from Whangarei to Dunedin.

There is much to inspire Altherm Window Systems, from residential to high performance and large format windows and doors. We offer a wide range of solutions for all homes, from entrance doors to windows, sliders, bifolds and thermally effiicent options, Altherm has an option to suit every need. Find the perfect Altherm product that works for your build.

Altherm is a brand of APL, the largest window solutions organisation in New Zealand and also supplies Breezway Louvre Windows.

Breezway Product Displayed

  • Altair Louvre Galleries
  • 102mm and 152mm Blade Heights
  • Glass, Aluminium and Timber Blades
  • Standard Handles

Products/Services Offered

  • Home owner and Builder enquiries
  • Aluminium windows and doors
  • Showroom consultation
  • Altair Component System sales

Opening Hours


Contact Details

Altherm Aluminium – Onekawa
18 Dunlop Street
Hawke's Bay
Napier 4110
New Zealand
Phone: (06) 843 5207
Email: althermec@xtra.co.nz