About Diffusion

Diffusion Heating & Cooling, formed in 1960, is recognised as one of the leading manufacturers of heating and ventilating products through quality, design and manufacture.

All products offered by Diffusion Heating & Cooling are designed, developed and manufactured from its factory in West Molesey, Surrey, with a view to offering the best possible product, designed specifically to meet the customers bespoke requirements.

Whether you are looking for fan coil units or air handling units for an office block or over door heaters for a retail outlet, Diffusion Heating & Cooling has the experience and range of products to offer a creative, dependable solution to satisfy customers requirements.

Diffusion is the recipient of H&V News award 2003 and the H&V News "Product of the Year" award 2007.

The company operates under ISO 9001/2000 and will shortly be awarded ISO 14001.

Design is linked to manufacture via CAD/CAM systems which allows development of new products to be completed in an effective and timely manner.

All Diffusion products are tested in our in-house independently collaborated test rooms, where we can test air volume, thermal and acoustics.

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