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About 10% of your heating could be disappearing through your
windows. Double-glazing will cut this dramatically and, while
it wouldn’t be cost effective to rip out perfectly good
windows just to reduce heat loss, double-glazing is the best
option if you are already looking to replace old windows.
Today’s Building Regulations specify a minimum standard
of thermal insulation for replacement windows. This means
that 'low emissivity' - or low E - double glazing is likely
to be needed for all new and replacement installations. Low
E glass has an invisible metallic coating which reflects heat
back into the room. For more information, contact the Glass
and Glazing Federation on 020 7403 7177.
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