Screw Conveyor Heaters

Thermo-Tech, Inc's auger heaters are custom designed to prevent freezing.

Heating screw conveyors to prevent freezing is easy with a custom designed HTR™ system from Thermo-Tech. In some cases, it is also possible to dry the materials they convey as shown in this slow-moving grit discharge installation.

Tube type auger heater assembly.
Tube Type Screw Conveyor

This system clamps over the tube the screw conveyor runs in.

Heating screw conveyors to prevent freezing requires about 75 Watts per square foot. In application when drying the material, it may require up to 400 watts per square foot.

The auger heater temperature control panel.

A temperature control system is required when drying the material conveyed by the screw conveyor.

Auger Hopper/Chute
Screw Conveyor Feed Hopper/Chute

Heating the hopper or chute that feeds the screw conveyor is required in most instances.

Trough Type Auger Heater Assembly.
Trough Type Screw Conveyor

The custom sized HTR™ panels wrap around this screw conveyor trough as shown.


  • Stainless Steel, Weather Tight Construction
  • Wash Down Option
  • Pilot lights indicate the heater is at operating temperature
  • 75-400 watts per square foot
  • 120-480 Volts

Patent Pending

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before the cold weather returns!