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Triple glazing vs double glazing

The science behind thermal technology

See why Everest Triple Glazing is the best.

Heat loss costs you money. Badly-made windows lose heat, but as it’s not visible, most people don’t even think about it. So, we thought we’d show you what losing money looks like.

To see just how much heat old windows leak compared to Everest Triple Glazed Windows, we invited an independent thermographic consultant to put them to the test. Watch the short video and see how Everest keeps the heat in and the bills down.

We took 2 identical houses

Craig on location

In our quest to demonstrate how customers can save money when they fit new Everest double or triple glazing we found 2 identical houses side by side. We then got up early one morning and with the help of an independent specialist called Adam who is a real life ‘thermogragher’ we measured the heat lost by both houses with a special camera. Woodbrook Cottage on the left has standard double glazing, Briar Cottage on the right has Everest Triple Glazing fitted. With his specialist camera Adam made images of both houses in exactly the same weather conditions to show the thermal loss from each house. The difference is clear to see with cold areas of a house – no heat loss shown in blue with warm areas where the heat loss is occurring shown as bright colours like green red and yellow.

Key points from the survey:

The thermographer and camera used for the experiement
Thermographic Survey Undertaken by Adam Smith, Thermographic Consultant, on the 11.01.16 with a Flir T640 Thermal Imaging Camera.

Process of the test
The survey was performed to provide a qualitative thermal performance comparison between two adjacent properties; Woodbrook House, with standard double glazing and Briar Cottage, with Everest AA++ Triple Glazing.

What the test visibly shows
Woodbrook showed greater energy loss through window panes, frames, and doorways. Briar Cottage had only slight energy loss from around its window frames, with little to no thermographic differentials shown in the centre of the panes.

Woodbrook Cottage
Briar Cottage

Understanding the difference between thermal images
The darker colours on thermal images represent colder surfaces, and the lighter colours represent hotter surfaces where heat is being lost.

Understanding thermal images

To read the expert’s full report click here.

What is the difference between double and triple glazing?

Everest triple glazing has an extra pane of glass within the design which enhances it's performance in a number of ways:

  1. It retains more heat making your home warmer, and that's why it's been awarded A++, the highest possible energy rating.
  2. Nothing disrupts a cosy night in more than external sounds invading our homes, and the extra pane serves to block out even more than our double glazed windows.
  3. Triple glazing is more difficult to break, meaning it's safer for extra peace of mind. They also feature a multi-point locking system as standard for extra security.

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