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Energy Efficient Windows
Good for the planet & your pocket

Good for the planet & your pocket

Close a Global window and feel safe and secure in your home. Triple glazing keeps external noise out while the airtight fitting keeps the heat in. And we can all feel good about doing our bit to act on the urgent climate change situation. Transforming your home’s energy efficiency is also better for your pocket, saving you thousands on your heating bills.

Triple glazing as standard
Airtight fitting and installation
Global Heat Therm 30 system
A-Rated by Design

Heating costs, on average, make up 60% of a household’s energy bills. Investing in the main structure of your home such as triple glazed windows and doors can really impact your carbon footprint and your energy bills – saving you up to 30% on your heating bills!

A rated windows
Airtight fitted windows
Virtually airtight

Our high-tech windows are designed for optimum energy-efficiency. However, that’s only half the story. How the windows are fitted ensure you’re actually benefitting from an A-rated performance. Our installers work directly for us (we don’t use subcontractors) and are highly trained so you can be sure your A-rated window is, in fact, giving you an A-rated performance.

Extra insulation

Our window systems have excellent insulation values.xxx And we incorporate 48mm triple glazing with Argon gas between the cavities for extra insulation providing further improved thermal performance.

Triple glazed windows
Let’s stop throwing money out the window

Upgrading to a thermally efficient window is a simple way to reduce heat-loss and retain heat. Sealing heat in while keeping cold out, Global windows are A-Rated by independent testers and far exceed the industry benchmark. They also keep you secure and boost your comfort level while enhancing the aesthetic of your home.

Save Energy. Save Money. Act Now.
Reduce the cost of heating your home
Cut your carbon emissions
Reduce your carbon footprint
Transform the comfort of your home in style
Save thousands of Euro in wasted energy for years to come
Responsible Recycling

As Ireland’s leading home transformation specialists, we take our corporate sustainable responsibilty extremely seriously. A portion of our PVC is recycled, factory cut-offs are recycled and where possible, the windows we replace are recycled. Steel used in the fittings and reinforcement as well as the glazing is highly recyclable. With the Global extended guarantee period of up to 20 years and unlimited service call-outs for repairs, we ensure longevity with an exceptional life-span of our product range.

Made by us. For you

We tailor-make our windows and doors in our Glasnevin, Dublin factory – made for Irish homes, bespoke for you. This gives us complete control (yes, we’re obsessive!) over every item that leaves our factory, so you benefit from the highest quality materials and craftsmanship. We stand firmly behind our long-lasting guarantees to ensure a lifetime partnership with our customers. We really are all about you!

Your peace of mind. Guaranteed

Global free 20 year unlimited guarantee
FREE 15-20 Year Unlimited Guarantee

We’re with you for the long haul – no charges, no limits.

Global 15 Year Guarantee
FREE 10 Year Security Guarantee

Protecting you, your family, and your home for years to come.

Global 365 Emergency Assist service
FREE 365 Emergency Service

Life happens. We’re there when you need us 24/7 365 days a year.

What our customers say
Feefo Gold Trusted Service Award 2023
4.8/5

Independent Service Rating based on 266 verified reviews.

5
03 May 2022

The door and fitting was carried out quickly with little fuss and no issues

The two guys were very professional and left no mess and the job was completed in good time and I was kept up to date on the progress as I was in work whilst it was going on.
Mr A Stein
5
27 Apr 2022

Excellent work
Mr & Mrs Kirwan
5
26 Apr 2022

Good communication and follow up support and yes would recommend the Global Windows team to anyone.
5
26 Apr 2022

I am happy with the windows. The installation was very good.
5
24 Apr 2022

Tidy efficient And accomodating
5
23 Apr 2022

Great service

Great service by the two people who put in the windows. Great communication from the office staff
Ms I Butler
5
22 Apr 2022

Very professional installers, who worked very diligently over the two days it took to install by new hall door and windows.
5
21 Apr 2022

Friendly service, job well done and very tidy.
Mr J Connor
5
21 Apr 2022

Excellent efficient work.

Installing of new PVC door.
W McCormack
5
21 Apr 2022

quick, clean, efficient and sensitive.

The service was quick, very clearly explained and painless. the men who installed the windows were very sensitive to my husband being ill and worked quickly, cleanly and left the house in excellent condition afterwards. We are very happy with the result so many thanks. we will use you again and have already recommended you to friends and neighbours.
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Book your free design consultation

Enjoy a free in-home design consultation with one of our experts and free no obligation quote.

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Start your home transformation journey today!

Our guarantee is completely free of charge and covers specified products for up to 20 years. We also provide a 10 year security guarantee with all of our windows and doors. This is backed by our free Global 365 Emergency Assist service, available 24/7 365 days a year.
Any internal timberwork can be finished and treated in the same way as any other internal timberwork in your home. Where window boards (internal sill boards) have been replaced they can either be stained or painted, depending on your choice from room to room. Doors, for example, would regularly be finished internally with architraves and timber liners. Most people then paint these to match skirting boards and other architraves, but the choice is yours. It should be remembered that all such decoration is not part of the contract and is the responsibility of each individual homeowner.
To keep your Global windows and doors looking great, clean the PVC or Composite / Glass Reinforced Plastic (GRP) sections once a month or so with warm water and a squirt of washing up liquid, using a non-abrasive sponge or cloth. Glass can be cleaned in the same way, but we recommend drying the surface afterwards with an old newspaper to help remove streaks. Proprietary glass cleaning products may also be used, but please ensure the frames are washed down as described above to ensure no residues are left. Once or twice a year, lightly lubricate the handles and other hardware items using a product such as WD40. Open your windows and doors at least once a month to keep them operating at their best.