Heat exchangers refers to devices that are designed and built for efficient heat transfer from one part of a system to another. Heat exchangers are widely used in a variety of engineering and industrial processes, such as process equipment, refrigeration, and ovens. Heat exchangers are available in a variety of forms, such as air to air, brazed plate and shell & tube.

There are a variety of distributors and manufacturers that offer heat exchangers online. A quick search of heat exchanger suppliers will reveal a variety of technologies for any application, including both new installation and replacement.