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ErP Compliance
UK
UK

The ErP legislation was passed in August 2013 and came into force in September 2015. It defines the minimum efficiency of nearly all boilers and water heaters, and there are certain complications around reporting this minimum efficiency.
Whilst the ErP only requires self-declaration, the penalties for incorrect claims may even be considered draconian with the possibility of product recall and very substantial fines. The IMO will be responsible for enforcement in the UK. This organisation has been chosen by HMG precisely because it has powers of prosecution.

Complexities in reporting boiler efficiency


• On a gross basis and about 10% less than the commonly quoted BED figures reported on a net basis
• After deduction of electrical use (calculated by multiplying the actual electrical use by 2.5 to convert to primary energy. For example, a boiler that uses 50W of electricity will be calculated on the basis of 125W of primary energy)
• After a series of complicated rules regarding controls
Whilst some of these values may appear low compared to present efficiencies expressed on a net basis, they can be challenging. Actual minimum values to be enforced are here.
• Fuel boiler space heaters with rated heat output ≤ 70 kW and fuel boiler combination heaters with rated heat output ≤ 70 kW, with the exception of type B1 boilers with rated heat output ≤ 10 kW and type B1 combination boilers with rated heat output ≤ 30 kW: The seasonal space heating energy efficiency shall not fall below 86 %.
• Type B1 boilers with rated heat output ≤ 10 kW and type B1 combination boilers with rated heat output ≤ 30 kW: The seasonal space heating energy efficiency shall not fall below 75 %. This includes DHW.
• Fuel boiler space heaters with rated heat output > 70 kW and ≤ 400 kW and fuel boiler combination heaters with rated heat output > 70 kW and ≤ 400 kW: The useful efficiency at 100 % of the rated heat output shall not fall below 86 %, and the useful efficiency at 30 % of the rated heat output shall not fall below 94 %.
• Electric boiler space heaters and electric boiler combination heaters: The seasonal space heating energy efficiency shall not fall below 30 %.
• Cogeneration space heaters: The seasonal space heating energy efficiency shall not fall below 86 %.
• Heat pump space heaters and heat pump combination heaters, with the exception of low-temperature heat pumps: The seasonal space heating energy efficiency shall not fall below 100 %.
• Low-temperature heat pumps: The seasonal space heating energy efficiency shall not fall below 115 %.

 

Some products are not yet included:

 

  • heaters using solid fuels
  • heaters within the scope of Directive 2010/75/EU of the European Parliament and of the Council (1)
  • heaters generating heat only for the purpose of providing hot drinking or sanitary water
  • heaters for heating and distributing gaseous heat transfer media such as vapour or air
  • cogeneration space heaters with a maximum electrical capacity of 50 kW or above


Because of the complexity of measurement and reporting, Kiwa Gastec is providing a series of assistance packages to heating appliance manufacturers:


• Measurement of efficiencies to the latest standards for DHW and CH at both 100% and 30% load
• Measurement of noise and electrical power consumption
• Assessment of categorisation of controls
• Assessment of categorisation of appliance families
• Confirmation of ErP declarations including production of the certificate


Kiwa is a Notified Body and UKAS accredited testing laboratory (No. 0692) with expertise in measuring and reporting efficiencies and emissions for heating appliances.

Contact

James Verlaque
james.verlaque@kiwa.co.uk
+44 (0)1242 677877

Tracy Lawrence
tracy.lawrence@kiwa.co.uk
+44 (0)1242 677877

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