Frequently asked questions about triple glazing:
What is triple glazing and how does it work?
Triple glazing has three panes of glass held together in a glazing unit with two insulating air gaps that slow down the thermal transfer of cold or heat through the unit.
The most energy efficient double and triple glazing units are filled with Argon gas which reduces thermal transfer compared to just standard air gas.
The deeper the unit, the more insulating the glazed unit is. Everest double glazed sealed units have a unit depth of 24mm, whilst Everest triple glazed sealed units have a unit depth of 36mm.
How much does triple glazing cost
When buying new windows there are a variety of options that make a difference to how much your new triple glazing windows will cost, such as frame style, material, size, and colour.
As all Everest windows are bespoke made, we cannot offer a standard stock price, but as a guide, Everest triple glazing costs 10-20% more than double glazing.
Read more: How much does triple glazing cost
Is triple glazing worth it?
Everest triple glazing is two and a half times as efficient as old double glazing and only costs 10%-20% more than new double glazed windows.
The superior efficiency of triple glazing can help to create a house that reduces carbon emissions and uses less energy to heat.
Triple glazing also creates more comfort in your home with less cold spots next to windows.
Ultimately, it’s a personal choice based on your own requirements. But, as U-values become more important for homes and can contribute to better EPC ratings, triple glazing is becoming more popular in the UK.
Read more: Is triple glazing worth it?
How long does triple glazing last?
Triple glazing should for at least 20 years, but this depends on the quality of the window units and the quality of the installation.
Of course, windows can last far longer than their predicted lifetime and many houses have windows that are over 30 years old - if they've been well-maintained.
A considerable factor that can influence the lifespan is the position and how exposed the window is. For example, a south-facing window that gets a lot of sun or a coastal facing property will have a shorter lifespan due to excessive weathering.
Do triple glazed windows reduce noise?
Many people mistakenly think that triple glazing is more soundproof than double glazing because there are three panes of glass. Triple glazing does not reduce sound more than efficient double glazing and should not be a factor for anyone upgrading to triple glazing.
Read more: How to soundproof windows
Does triple glazing reduce condensation?
Triple glazing helps to reduce condensation because it acts as a thermal barrier between the outside cold and inside warmth. Condensation happens when moisture in the air forms on a cool surface.
As triple is so thermally efficient, it will reduce condensation on the inside of the room.
Note, that condensation can happen on the external side of a window and this is nothing to worry about. But if you see fogging and condensation on the inside of a sealed unit, this can mean your unit seal has failed and it will need to be replaced.
Read more: Condensation on windows