Window Design Options

Window Design Options

Whether the creative ideas come from you, the architect or the carpenter, they should not be stopped by standard solutions.

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Composite Windows And Doors

Composite Windows & Doors

Rationel offers several ranges for those who love natural timber indoors and easy maintenance outdoors. Timber is the predominant material, with an external aluminium cladding.

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Composite Timber Framed Windows

Timber Framed Windows

DOMUS, FORMA and AURA are windows and doors made of timber. They are especially for those who appreciate natural timber both inside and out.

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Composite Bi-Fold Doors

Composite Bi-Fold Doors

Ecotec Windows range of Bi-Folding doors offers you peace of mind. A system that has been installed internationally for over 25 years, providing you a guarantee of quality and longevity.

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Welcome to Ecotec Windows

Built on the knowledge and experience of more than 30 years in the window industry, Ecotec offer a solution to all your architectural glazing needs. The personal service that we provide, along with our commitment to quality, makes us the perfect partner for Rationel and will ensure that your project runs smoothly, whatever the size. We have forged a strong relationship with Rationel and are proud to be able to offer their range of stylish and highly energy efficient products.

DOMUS, FORMA and AURA are windows and doors made of timber. They are especially for those who appreciate natural timber both inside...

Timber Windows And Doors more...

The SL 35 folding glass door is an uninsulated aluminium folding glass door that is easy to operate and can be used in a wide range of areas...

Composite Bi-Fold Doors more...

Ecotec Window offers several ranges for those who love natural timber indoors and easy maintenance outdoors. Timber is the predominant...

Composite Windows And Doors more...

Ecotec Windows are an approved supply and installation partner for the manufacturer Rationel A/S who are a leading composite door and window company...

Rationel Windows And Doors more...

Ideas and imagination are highly appreciated at Rationel. Whether the creative ideas come from you, the architect or the carpenter, they should not be stopped by standard solutions...

Window Frame Options more...

Colour is one of the easiest and most effective ways to make a window or door unique and give it the character you require. Rationel offers a standard range of window colour options.

Window Colour Options more...

Please browse our video library, containing information on Composite Window and Door Manufacture, Burglary Protection Testing & Window Water Tightness, Wear & Tear Testing and Wind Resistance Testing. The latest in Composite window and door technology presented in a series of videos providing an insight into the quality of our products. We hope you enjoy them.

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We would like to take this opportunity to say a thank you to everyone involved with our company including customers, staff, suppliers and partners for your support during the year. We are looking forward to 2018 and working with all of you again next year. Season’s greetings from all of us and we wish you a Merry Christmas and a Happy New Year.

Season’s Greetings From Ecotec Windows

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We welcome positive feedback from our long list of happy customers who have kindly provided testimony within this web page. Our customr base includes the East Midlands, Yorkshire, Lancashire and also the North West. We are able to also provide installations throughout the UK including London and the South East.

"Good pre-order service, other companies didn't seem to have any customer service.

Ecotec brought us a sample so we could see and touch the window before we ordered, which was excellent. Promise date of delivery was met and we were kept informed by Ecotec.

Most impressive of all was that when a small scratch was spotted, Ecotec responded immediately. Mr & Mrs Webb, Sheffield

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Rationel Windows Installation For The UK

We are now the largest distributor and reseller of Rational Windows and Rationel Doors in the UK. Located centrally in England we can cover the immediate regions across the M1 and M62 corridors. Our business model allows for the installation of the finest double and triple glazed composite and aluminium clad timber doors and windows that money can buy. We truly believe that our range of products, colours sizes and sheer quality allows for our customers to get the best thermal efficiencies available in the UK today.

We have 100’s on installations in wide range of dwellings and commercial installations across high end projects. Our project portfolio represents an amazing array of the finest thermally efficient products available. Our relationship with Rationel is exceptional and we hold joint marketing events and trade shows across a number of regions with some regularity.