Engineering Insights Blog

Watt density is a useful measure when considering the various types of heating elements available. Learn about watt density and open coil elements.

Duct heaters made by TUTCO-Farnam are not for HVAC use. They are for industrial type applications and are not built to the standards required for the typical residential HVAC.

In the world of heaters, surface heaters aren’t really very sexy – they often consist of little more than a few pieces of mica and some wire.

Cool Touch™ heaters is ideal for rapidly heating inline air, and the internal open coils provide efficient heat transfer through direct resistance coil contact with the airflow.

Manufacturers use a combination of physical and chemical processes to turn a fragile metal film into a precision heating element encased in silicone rubber.