What is a SEDBUK rating ?


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SEDBUK stands for 'Seasonal Efficiency of a Domestic Boiler in the UK', and provides a fair comparison of the energy performance of different boilers. -->What difference can an energy efficient boiler make ? 

  •  It produces less CO2
  • It will consume less fuel 
  •  It can therefore significantly reduce gas heating costs

 How is a SEDBUK rating calculated ?  SEDBUK refers to the average annual efficiency achieved in typical domestic conditions, and the rating is calculated using:

  • The pattern of usage and typical domestic usage patterns
  • The UK climate 
  • Boiler type
  • Ignition
  • Fuel used
  • Internal store size

Step One:  A SEDBUK rating assesses what percentage of the fuel that the boiler consumes is converted into heat. Step Two: That percentage is given a rating using a scale from 'A' (at the highest level of efficiency) to 'G'.It's a way of estimating annual fuel running costs, and all new boilers should be SEDBUK Band A or B rated except in some specific circumstances.High efficiency range 

  • Baxi Platinum Combi HE A
  • Baxi Duo-tec Combi HE A
  • Baxi Solo HE
  • Baxi Megaflo 
  •  System HE A
  • form part of Baxi's high efficiency range. 
  •  They carry a SEDBUK Band A rating and are

 amongst the most efficient boilers on the UK market.

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