Pacific Thermal Double Glazed Sliding Door

The ultimate in Performance when it comes to Aluminium Joinery.

We combine the top-end thermally broken product from Altus and our in-house skillset, which allows for industry leading results in air-tightness, insulation, solar control and sound reduction.

Using premium products from across the industry to achieve your needs.

Get in touch with us to see how we can work together on your next project.

  • Category
    Sliding Doors
  • Designer
Thermal Breaks

Improved Insulation

Another basic principle of Passive Housing is to have any Thermal Breaks forming a continuous line in the home - so that they can't form a "Bridge" over each other. For windows this means having the Thermal Break align with the wall insulation, or recessing the window frame as much as possible.

This decreases the Dew Point of a window, enabling further reduced condensation but also decreasing the opportunity for mould to form.

At times this is difficult to achieve under NZ building standards, however you can best achieve this with our systems and how the Thermal Breaks align.

E13 Performance Windows
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About the

Whether you are wanting greater thermal performance or building an architectural home, we've got more than 20 years of expertise and experience in delivering superior triple glazing window solutions throughout New Zealand.

A long-standing Otago business with family origins, Michael and Kathryn Brenssell has been hands-on in the business for 20 years and are proud of the reputation they have built for producing joinery that makes a difference. After operating as Vistalite Otago providing services from everyday residential homes to recreational and commercial properties, we felt it was time to recognise our achievements and develop the stand-alone brand E13 Windows for our future. 

We cater to the harsh climates of Central Otago and the South Island and the contrasting difference in parts of the North Island warmer climate. After starting a business with cottage building for architecture homes in Dunedin, Michael saw the potential in providing window and door solutions that added to the aesthetics of these homes while offering great thermal performance, a combination necessary in the South, home of spectacular views but harsh winters. With their ability to create airtight homes without compromising on the style proving a success in Dunedin and the greater Central Otago region, they are now offering sophisticated and versatile triple glazing window solutions throughout New Zealand.