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Energy Rated Windows



Energy Rated

A Rated Windows For Energy Efficiency
Double glazed windows can be A rated because their energy efficiency can be measured in much the same
way as white goods, such as fridges can. The allocation of the A rated window label is controlled by the BFRC
(British Fenestration Rating Council) who put a window through a thorough testing process to display a rating
from A – G with an A rating being the best.


When you choose replacement windows that carry a ‘C’ rating or higher (preferably A rated windows):

  • You will save a substantial amount on your bills as less heat will escape your home and therefore you’ll need less fuel to heat it
  • You will be reducing your impact on the environment, you’re a rated windows are an easy way to be a little greener every day for life

A rated windows draw the heat provided by the sun into your home whilst also possessing excellent insulation
qualities that ensure that heat loss through your windows is kept to a minimum. The result?
Lower bills for you and a happier planet for everyone!


All our energy rated windows use the latest magnetron-coated Low ‘E’ glass, which acts to reflect heat back i
nto the room. The outer pane comprises of a specially-formulated, ultra-clear ‘Low Iron Glass’ that allows both
more light and more of the sun’s heat to pass through the window and into your home, maximising the amount
of free heating you can get from the sun.


What is the difference between A rated windows and C rated windows?

A Rated Windows

The highest possible score for energy efficiency - available as an affordable option; you receive the premium
glazing option and foam filling the UPVC outer frame where necessary. These windows exceed all
recommended levels of energy efficiency and will substantially reduce energy bills.


C Rated Windows
We don’t fit energy rated casement windows below this level and will advise customers to go for at least a B
rated window. This rating is a recommended threshold for energy saving as quoted by the Energy Saving Trust.
Those achieving a C-rating or above demonstrate they have been designed, manufactured and tested to
provide a good level of overall thermal efficiency. All window companies must now sell at least a 'C' rated
window or a window with a 1.6 U Value.


How can I measure how energy efficient my windows are?
In short, you can’t do this yourself. The level of energy efficiency offered by a window is calculated using a
combination of the insulation of the frame and glass or ‘sealed unit’ that is used. Other factors such as the
size of the window and any air leakage are also taken into consideration, so the calculation is too complex for
you to do yourself without risk of error.


That’s why the government has introduced the Window Energy Ratings scheme. This uses the same grading
system that electronics manufacturers use on appliances such as fridges and washing machines. It is now
possible to rate a window from any given supplier; the finished window combination is independently tested,
and awarded a rating from A to G.


The British Fenestration Rating Council (BFRC), in conjunction with the UK glazing industry and European
partners has designed a window rating system to meet this need for simple and accurate information.
The BFRC provides third party certification for the total thermal performance of windows using a ‘fair, accurate
and credible’ assessment scheme.


Using this scale of measurement, our energy rated windows are more than twice as effective at retaining heat as standard clear double glazing, and 30% better than Pilkington K.

By installing 'A' rated windows you will not only reduce your heating bills and CO2 emissions but it could
improve the value of your property and speed up any future sale.

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