With over 50 years in the H&V industry Diffusion is one of the oldest most established manufactures of Heating Ventilation and Air Conditioning products in the UK. Diffusion has built up a wealth of experience that can only be achieved with time. The business has a very experienced and loyal workforce many of whom have in excess of 20 years service with the company. Operating to all relevant BS quality standards Diffusion has an on going continuous improvement programme aimed at improving every aspect of the business. Over many years Diffusion has been involved with many challenging and prestigious projects across a spectrum of sectors including hotels, commercial offices, retail, schools, hospitals, residential and so on.