Diffusion has built close relationships with its customers over 60 years of manufacturing.  Today, we have built an enviable reputation and are considered the first point of contact when fan coil units are needed for their projects.  Our products are built to the highest industry regulations and quality standards and this ensures their longevity.  Here are just a few of the landmark installations where Diffusion has designed, manufactured and installed hundreds of fan coil units, all operating as efficiently today, as the day they were installed.  Build your project on trust.