Diffusion, established in 1960, is the market leader in design, application and manufacture of heating, cooling and ventilation products.
Our approach to business is fresh and forward thinking, which reflects in our extensive product range. Our Fan Coil Units, Over Door Heaters, Air Handling Units, Fan Convectors, Fan Assisted VAVs and other award winning products are all designed and manufactured in the UK. As our service engineers and support staff are all under one roof, we can provide excellent customer service with professional efficiency.
Diffusion is part of Energy Technique plc, which is an AIM listed holding company encompassing several businesses catering to manufacturing and M&E Facilities Management. Diffusion is the manufacturing division. SIAS FM is the M&E Facilities Management division with offices in Keighley, Crewe and Basingstoke. For more information on how SIAS FM can help your business, please visit www.siasbuildingservices.co.uk
With an impressive client list, Diffusion is the market leader in improving and enhancing the environment in which we work, sleep and play, from hotels to skyscrapers to retail outlets.
These are a few of our clients which we have worked alongside and ensured that they have received the best quality products and customer service;
ASCOT RACECOURSE, BOOTS, CANNON AVENT, HARRODS, M&S, HARVEY NICHOLS, LAND SECURITIES, STANHOPE, TOYOTA, ALDI, MANCHESTER UNITED FC, PADDINGTON CENTRAL, LLOYDS TSB