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0161 533 0963

Ecospheric windows logo
Ecospheric Windows logo

Ecospheric Windows & Doors

High performance timber & aluminium clad units

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Ecospheric's expertise in sustainability adds considerable value to your project; enabling us to provide helpful advice on optimising your glazing design, providing calculations for passive house installations, and assisting with technical detailing.

Our windows and doors are delivered direct from the Viking Window AS factory; a state of the art facility specialising in the precision engineering of high performance glazing.

Windows & Doors

  • Delivered direct from manufacturer

  • Fast lead times

  • Unbeatable cost 

  • Built for durability and minimum maintenance

  • Range includes Passive House certified units

  • Optional aluminium cladding for extra durability

  • Available in any RAL colour or wood stain

  • Bespoke shape, sizes and stained glass

  • Variety of handles and locking systems

Ecospheric's Top Tips

For reducing cost and improving performance

Simplify Design

The majority of a window's heat loss is through the frame, therefore aiming for as close to a single fixed pane as possible is ideal. Cost also increases with complexity.

Limit Openers

There is limited benefit from having two opening windows in a room, design for effective cross flow ventilation instead.

Reduce Glazing

Wall performs better than glazing and costs a lot less. Glazing costs approximately 5 times more than a wall and performs 5 times worse.

View the Viking Windows factory

FSC certified timber
FSC certified timber

Innovative technologies
Innovative technologies

Quick production and delivery
Quick production and delivery

FSC certified timber
FSC certified timber


Ecospheric sources our high performance windows and doors from Viking Windows AS is based in Estonia. This manufacturer has been making energy efficient glazing for 20 years.


As a member of The Association of Danish Window Manufacturers, you can be sure these windows are produced to meet the highest standards for quality and sustainability.


Click on the images to the left to see

how Viking windows and doors are made.

We were extremely impressed with the level of service and the quality of merchandise provided by ecospheric. Our whole project was managed with the utmost professionalism matched with very close personal attention. Communication was excellent and it was a pleasure doing business with them.

Aoileann, Manchester

Really appreciate all your help, advice and tips over the last few months. I can't speak highly enough of you guys and will recommend you to everyone I come across!

Joel, Crewe


Common Questions

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Contact us for an estimate  |  Tel: 0161 533 0963

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