A superior technology designed to minimise energy loss through your windows

Benefits of Thermoflex Warm Edge Spacer and Energy efficient windows for Specifiers, Architects and Builders

Manufacture superior glazing units with Thermoflex warm edge spacer

Thermoflex Warm Edge Spacer for Window Installers and Fabricators

Homeowners can reduce heating bills with Thermoflex energy saving windows

Warm Edge Double & Triple Glazing

Building Regulations & Window Energy Ratings

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Window performance

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Data Sheets

Building Regulations and Window Energy Ratings

Window Energy Ratings (WERs)

Window Energy Ratings (WERs) are used within the window industry and have a rainbow style label like the image to the left. High quality ‘A’ rated windows theoretically lose no energy through the window, and some installers offer this as standard. ‘A+’ and ‘A*’ ratings are also now available.

There are several competent persons bodies that endorse WER labels, the one to the left has been endorsed by the British Fenestration Rating Council (BFRC).

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Warm Edge Technology

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