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Precautions to follow when operating a heat gun:

  • Always inspect the heat gun before each use. Ensure the cord is not damaged. Remove from service is damage is found.
  • Always switch the tool off before putting it down.
  • Always turn off and unplug the heat gun when not in use.
  • Always allow the heat gun to cool before storing.
  • Always plug directly into a wall outlet. If using an extension cord, refer to Electrical Safety Manual section 5.5.15 for guidance.
  • Always use NRTL listed heat guns.
  • Use an outlet a Ground Fault Circuit Interrupter (GFCI) where possible.
  • Never touch the hot metal nozzle.
  • Never direct the air flow towards one’s body.
  • Never use a heat gun near flammable or combustible materials.

For further information, go to:

ES&H Manual CH12 - Laboratory Heating Devices

Be Aware of Heat Gun Hazards

1 Minute 4 Safety

1/23/25

Heat guns are typically used in research lab areas to dry glassware, cure resin, accelerate evaporation, and the application of heat shrink tubing. Although a heat gun appears the same as a blow dryer, it is a completely different type of equipment that can operate at very high temperatures (1200F) where materials can easily melt.

Environment, Health & Safety