Durafin Heat Exchangers are built with a focus on supporting our customers who build and assemble heat exchangers.  We can assist the customer in this process by assembling the heat exchanger for the customer.  We utilize a variety of welding and brazing techniques. Our full machine shop and expert staff are willing to tackle your challenging one-off designs and heat exchanger retrofits.  Our heat exchangers and heat exchanger sub assemblies can be ASME certified to your designs.