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Upgrade to Energlaze Double Glazing

Energlaze employs the latest in glass technology to produce insulated glass units (IGU’s) that are as efficient as triple-glazing and are suitable for all window types including uPVC, Aluminium & Timber.


We simply remove your existing glass and replace it with heat-retaining glass. There is no need to change or remove your existing frames. It costs up to 50% less than a complete window replacement and can save up to €400 per year on heating bills and best of all there is no need to redecorateMore>>

Our Glass

Energlaze heat-retaining window glass is one of the most energy efficient available with advanced coating technology which reflects radiated heat back into the room, rather than allowing it to escape through the windows. At the same time a low-iron outer pane allows free heat and light from the sun to pass through the glass.

You benefit from a lighter, brighter, warmer and more energy efficient home thanks to the advanced thermal insulation from our krypton or Argon filled units with integrated warm space bar. Energlaze units are up to 64% more efficient than standard Double Glazing.


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“We upgraded the glass in our uPVC frames in the front of the house to start with and we were so pleased with the result we did the rest of the house.  Whole process was top class from start to finish including issuing of guarantee and certificates-friendly and informative throughout.” - D King, Dunlaoghaire Co. Dublin
- Read more Testimonials here

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How Better Glass can Help Save the Planet

May 19, 2016

Policy responses to the need to save energy in domestic housing often overlook the role of glass.

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The Energlaze climate change explainer

May 06, 2016

In Ireland, there has been very little media coverage of climate change, and people in general are not very well informed about the problem.

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