Insulation • Peak Windows & Doors
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A++ rating and excellent U-Values

Stop throwing cash out of the window - Save heat and money!

There is a standardised banding system, showing thermal efficiency, in use because there is such variety available for windows and doors, frames and glazing combinations.

It gives customers a simple way to compare different windows and doors and was developed by the British Fenestration Rating Council. The scale, when it was original setup, ran from A to G but as the industry has continued to invest and develop, the most efficient windows and doors are rated A++. We also have products that, in addition to achieving a A++ rating, also receive excellent U-Value ratings (which looks specifically at insulation).

Efficient Insulation - Peak Windows & Doors
Efficient Energy Ratings - Peak Windows and Doors

We care about our planet as much as you do.

With this in mind, it's great to know that PVC-U is much greener than you may think. 'Common Salt' is the primary ingredient.

Noxious chemicals or paints are not required to keep your PVC-U windows and doors looking beautiful and it has excellent insulating qualities.

Windows, Doors, Conservatories, Orangeries & Sunrooms


Peak Windows, Swords, Dublin

Casement Windows, Tilt & Turn, Sliding Sash Windows. Peak Windows & Doors have the perfect solution for you.


Peak Doors, Swords, Dublin

Peak provide the very best in Residential & French, Composite, Bi-Fold and Sliding Doors. View our complete range now.

Conservatories / Orangeries

Peak Conservatories, Swords, Dublin

Conservatories, Orangeries, Sunrooms - All available with a quality finish and at an affordable price from Peak.


Peak Windows & Doors Security

There are many options to add security to your home from anti-intrusion devices to locking systems.

In a world where criminals, unfortunately, continue to find new ways to access premises, we'll continue to work with our suppliers to innovate and develop new products to add to our range to ensure you have peace of mind and stay safe and secure.

Peak Windows - Quality Assured - Swords, Co.Dublin

We Are Here To Help

Call us today on 01 906 6186 to claim your 35% discount now or click the button below to have us call you.

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01 906 6186

upto 35% Off all Peak Windows and Doors

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Up to 35% Discount - Claims Yours Now!

To celebrate the launch of our new showroom in Swords, Co.Dublin and 25 years of experience in the Windows & Doors industry, for a limited time, we are offering up to 35% Off our entire range of Windows and Doors. Talk to us about our Conservatories and Orangeries - and we'll look after you there too!

Peak Windows & Doors - 35% Off Coupon

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We don't know how long we can keep this special offer running.  Don't miss out.
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01 906 6186