Find a PHINZ sponsor or member

Our sponsors and members provide a range of services and products for use in Passive House projects. The directory includes Certified Passive House professionals, who have successfully completed the requirements of the Passive House Institute to gain the following qualifications:

Certified Passive House Designer Certified Passive House Consultant Certified Passive House Tradesperson Passive House Certifier Certified Passive House Component

Optimal Windows

596 Takou Bay Road, Kaeo, New Zealand
646 Takou Bay Road Kaeo Northland 0295 NZ

Since 2008 Optimal Windows have been produced from start to finish in New Zealand. Our range of European style high performance timber windows and doors are specified, manufactured and designed for projects thoughout the country using materials and construction methods that are ideally suited to New Zealand’s wide range of climates and conditions.

Our aftersales service is second to none and you should feel secure knowing that you are dealing directly with the people who make the windows.

We are proud to produce a wide range of windows and doors that are suitable for use in certified Passive Houses throughout most of NZ.