Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,153 pages of information and 233,681 images on early companies, their products and the people who designed and built them.

Energy Technique

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Trading as Diffusion, supplier of fan coil and commercial heating equipment.

1998 Benson Group plc changed its name to Energy Technique plc[1]

2000 Moved from Oldbury to West Molesey

2015 Non-trading subsidiary: Diffusion Environmental Systems

Then became Diffusion Group which was acquired by Volution

See Also


Sources of Information

  1. Companies House filing
  • [1] Company web site