
The British Fenestration Rating Council’s
Domestic Window Energy Rating Scheme
provides a way to compare the energy
performance of windows. Windows that
achieve a C rating or higher can carry the
‘Energy Saving Recommended’ tag.
All our Energy Efficient windows achieve C
rated or better energy efficiency. Put simply,
they’re the most energy efficient windows
your money can buy.
How it’s done:
1. Warm edge technology
Up to 80% of a double glazed window’s energy
loss occurs at the glass edge. Featuring warm
edge technology, our windows are up to 22
times more efficient at preventing heat transfer
around the perimeter.
2. Pilkington Glass
By specifying the right Pilkington glass, we can
keep your energy use down and exploit radiant
heat from the sun.
3. Q-Lon weather seals
Seals in our windows retain their original shape
year after year to maintain weather tight performance.
4. Multi-chamber construction and insulated
beading
A multi chamber construction that’s strong and
highly thermally efficient.
5. Bevelled or featured sash, frame and beads
6. Stainless steel friction hinges
7. High security shootbolt system
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