Windows February 28th2017

Double Glazing vs Triple Glazing

This is often the first question people feel inclined to ask, and to put it simply, if fitted correctly, the extra window pane within the design enhances heat retention within the home as well as making the window even more secure within its frame.

Everest Triple Glazing has been awarded A++, the highest possible energy rating and by keeping heat inside, you can save money on your energy bills too. To demonstrate how Everest Triple Glazed Windows compared to standard double glazing, we conducted a thermographic survey to put them to the test.

What should I look for in a good triple glazed window?

There are a variety of features that make up a good triple glazed window. It is the combination of each of these features that help make Everest Triple Glazing our best window yet.

  • Sealed units filled with two chambers of argon gas

Argon gas is heavier than air and acts as an insulator, blocking out noise as well as the cold air.

  • Two coatings of low-emissivity (Low E) glass, which keeps the heat inside

Low E is a microscopically thin coating that allows heat past the window from the outside and reflects heat back into the building from the inside. This saves a great amount of energy and will help save on heating bills.

  • Low iron glass

The outer pane of an Everest Triple Glazed Window is clearer and increases light transmission from the outside, optimising an additional solar heat gain.

  • Warm edge technology spacer bars separate the panes of glass

These are made from a plastic insulating composite material that acts as yet another barrier to heat loss.

  • Internal glazing bead

This offers added security as it prevents the removal of glass from outside.

  • Tried and tested uPVC profile

We use the same frame profile as our extremely popular double glazed windows, and depending on your needs, you can select from a wide variety of our high performing casement range.

What key questions should I be asking?

When talking to a triple glazing installer, it is important to ask the right questions to ensure that the windows are of the highest quality.

Make sure you ask the following:

1. Are your triple glazed windows A++ rated?

Do not underestimate the difference between A, A+ and A++. If you take a look at the WER Rating then you’ll notice a score of zero gets an A, a score of 10 gets an A+ and only scores over 20 are awarded an A++. With an A++ window you benefit from more of the sun's free energy as the window allows in more heat than it loses.

2. Are the windows reinforced as standard?

If not, then you will find that you’ll either be charged more to get them reinforced or you’ll end up, once again, with an inferior product. Our windows come fully reinforced and with toughened panes; just one reason we are allowed to say we “fit the best.”

3. What guarantee do you offer for sealed units and discolouration?

Other window companies will often speak only of the windows themselves and ignore other relevant details. Everest offers a Lifetime Guarantee on both sealed units and discolouration, meaning you never have to worry about our windows once installed.

Discover Everest's huge range of windows, doors, conservatories and security systems. Visit our Homepage to talk to an expert and view our full selection of products. 

 

 

'Double Glazing vs Triple Glazing'

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