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Benchmark for manufacturers

Below is a list of the current Benchmark manufacturer and product supplier members:

  • Atag Heating UK Ltd
  • Ariston Thermo UK
  • Baxi Heating
  • Biasi
  • Burley 
  • Charlton & Jenrick
  • Crystal Fires
  • GDC Group
  • Fernox
  • Fondital Helpline
  • Gledhill Building Products Ltd
  • Ideal Boilers
  • Intergas Heating
  • Johnson & Starley Ltd
  • Joule 
  • Kamco
  • Kingspan Renewables
  • Lettergold
  • Nibe
  • Ravenheat Manufacturing Ltd
  • RM Cylinders
  • Sentinel Performance Solutions Ltd
  • Sime Ltd
  • Telford Cylinders
  • Vaillant UK
  • Vokera Ltd
  • Worcester Bosch


Benchmark currently support Gas Boilers, Hot water systems and Solar Thermal. We are currently developing Benchmark for Heat Pumps and Micro CHP

Manufacturers and product suppliers may become members of the Benchmark Scheme provided that they are members of HHIC or an affiliated Trade Association, supply products within the scope of the Benchmark Scheme and adhere to the Scheme requirements in the Benchmark Scheme Document.

To apply to join the Benchmark Scheme:

HHIC Members:

Download and complete the Application Form and return it to the HHIC as instructed on the form.  Acceptance is subject to a satisfactory audit. 

Members of affiliated organisations:

Hot Water Association (HWA)
Domestic Water Treatment Association (DWTA)

If you are a member of either of the above organisations and wish to join the Benchmark Scheme, download and complete the Application Form which is subject to an annual Licence Fee, and return to the HHIC including payment as instructed on the form.  Acceptance is subject to a satisfactory audit.     

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