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Energy Rated Windows-

 

Westgate Joinery’s ‘Specialist EcoA Flush Casement’ window manufactured in Accoya® has an A rating under the BFRC (British Fenestration Rating Council).

These windows are manufactured in the revolutionary Accoya®  which carries a 50 year guarantee against rot and has been given a 60 year life expectancy by the BRE (Building Research Establishment). They are supplied factory glazed (subject to size) and factory finished with 3 coat translucent or opaque coatings system in a range of colours giving up to 12 years before any site re-coating.

The ‘Specialist EcoA Flush Casement’ currently has one of the best Energy Index factors of any timber window currently registered under the BFRC scheme at 4kWh/m²/year.

The U Value of our Specialist Eco A Flush Casement Windows is 1.3 W/m² K.

  

 

 

 

 

 

 

 

  
   
   

 

  

 

  
   
 

 

 

 

  
 

 

To explain the Energy Rating Scheme in more detail -

 

  • In the UK energy ratings are overseen and administered by the British Fenestration Ratings Council  (BFRC)
  • The BFRC Scheme is the UK’s national system for rating the energy efficiency of windows and is recognised within the Building Regulations as a method to show compliance for your windows.
  • Part L of the UK Building regulations are under review and will change in 2010 once the current consultation period is complete.
  • It is widely believed that from 2010 the revised regulations in respect of Replacement windows in Domestic Properties will require a BFRC Energy rating of C minimum and a whole window U value of 1.8 W/(m²K) or better (and will be required to be labeled accordingly by the manufacturer). It is likely that the elemental centre pane U value method of assessing the energy efficiency of a window will only be able to be used for windows in historic buildings.
  • Energy Ratings use a consumer-friendly traffic-light style A-E ratings guide similar to that used on ‘white’ goods (such as fridges, freezers, washing machines etc…). This ratings label can be used by you to make more informed choices about the energy efficiency of the windows you are looking to purchase.
  • With carbon emissions high on the global agenda and the current high cost of fuel, we are all looking for ways to make our homes more energy efficient.
  • Each window rated by the BFRC has a unique label.
  • This label will display the following information:
  • The rating level – A, B, C, etc…
  • The level is measured in 10 kWh/(m²·K) bands; an energy rating of 0 or higher is given an A rating; an energy rating between minus 1 and minus 10 is given a B rating etc…
  • The energy rating Measured in kWh/(m²·K) for example a product with an energy rating of minus 14 (C band)will lose 14 kilowatt hours per square metre per year.
  • The whole window U value measured in W/(m²·K)
  • The effective heat loss due to air penetration (Air leakage
    measured in W/(m²·K)
  • The solar heat gain
  • Simply put this will determine how well a product will perform the functions of:
  • Helping contain and conserve heat within your building in the winter
  • Keep out the wind
  • Resist condensation
  • Contribute to improved sound insulation

 

 

  

 

 © Specialist Joinery (South) Ltd 2012