Diffusion's products and services
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 technical team are all under one roof, we can help consultants and contractors with design solutions and product information to provide excellent customer service with professional efficiency.
Selected Case Studies
Willis building
Designed by architect Sir Norman Foster and developed by British Land, Willis Building stands opposite the Lloyd's building and is 125 metres (410 ft) tall, with 26 storeys...more
Knowsley BSF
Diffusion were selected by Balfour Kilpatrick to supply the heating and ventilation units as we were able to provide the full range of products required...more
Diffusion is part of Energy Technique plc, which is an AIM listed holding company encompassing several businesses catering to manufacturing and M&E Maintenance Services. 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
