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  Energy Ratings  
 
     

 

*Figures based on replacing non energy rated windows in an average 3 bedroom house with gas central heating

Cost Saving per house per year

Cost saving per house over 10 years
(assuming annual 5% increase in fuel costs)

Tonnes of CO2 saved over 10 year period

A Rated Windows

£253.80

£3,192.27

17

B Rated Windows

£233.55

£2,937.56

12.8

C Rated Windows

£213.30

£2,682.86

8.5

D Rated Windows

£193.05

£2,428.16

7.6

E Rated Windows

£152.55

£1,918.76

6.8

 

Environmental Information
  • CO2 is the main green house gas responsible for global warming.
  • Energy rated PVC-U windows are one of the most effective ways to save energy and reduce CO2 emissions.
  • Energy rated windows reduce heat loss by more than 20%.
  • Fitting A rated windows can help you save over £250 from your heating bill in the first year alone.
  • Modern energy rated windows will not only reflect heat back into your home but will also retain heat from solar gain.
  • Old non energy rated windows waste energy equating to 0.7 tonnes of CO2
    per year.