All you need to operate Window Energy Ratings
ER Certification Ltd - All you need to operate Window Energy Ratings

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The new name in Certification

ER Certification to introduce the new QCC mark from January 2024.

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3 Steps to Certification


  1. If you don't have a suitable Quality Management System (QMS) or Factory Production Control (FPC) system, you need to install a FPC to provide traceability and proof of compliance with the various scheme requirements. You may wish to appoint a consultancy company to assist you with implementation of a suitable Factory Production Control (FPC) system.

  2. You will need to complete our applciation forms and discuss which of our schemes are suitable for your fenestration needs.

  3. Annual audits ofyour FPC and review of test / simulation reports.




Download the application form to join one of the ER Certification product certification schemes. (revised Jan 2024)


In future, regular audits will confirm that windows continue to be made and supplied in agreement with the original requirements. An audit is then conducted at the manufacturer's premises to ensure the manufactured product relates to the particular technical specifications and that the manufacturer is operating an effective Quality Management System.