Hot Water & Steam Boilers
The HMI electric boilers use electricity as an energy source for zero carbon footprint and zero site emissions, ideal for meeting emissions reduction or decarbonization goals. Electric boilers are also
Refrigeration Defrost Heaters
The design and manufacture of electric defrosting heaters is a need for which HMI has been an industry leader since 1929. We are ready to meet your defrosting requirements for
Over The Side Immersion Heaters
Over-the-side electric immersion heaters are widely used in the metal finishing industry in plating tanks due to their convenience at a lesser cost when compared to a Bottom or L-shaped
Silicone Rubber Flexible Heaters
Silicone rubber provides high durability and high-temperature resistivity (up to 455F / 235C continuous, higher short duration exposures) with the lowest cost construction. The overall thickness of a silicone rubber
Polyamide Flexible Heaters
Kapton heaters are ultra-thin, ultra-flexible, semitransparent, lightweight heaters. They derive their name from Kapton, the polyimide film developed by Du Pont that is utilized to encapsulate the heating circuit of
Silicone Drum Heaters
Silicone drum heaters are made of layers of fiberglass reinforced silicone rubber sheets. When these sheets are vulcanized and bonded under heat and pressure, they form a material that can
High-Density Cartridge Heater
The ruggedly constructed, high watt density Hi-Temp Cartridge heaters provide excellent heat transfer efficiency, high operating temperature, and long life. The Hi-Temp Cartridge is made to withstand a sheath temperature
Low / Medium Watt Density
Our Standard Cartridge heaters are designed as an economical, quality heater for lower temperature use. The Standard Cartridge Heater is made to withstand a sheath temperature of up to 1000
Mica Band Heaters
A mica band heater is made of an electrical resistance ribbon or wire, which is wound around a mica winding card and sandwiched between two sheets of mica, then wrapped
