How Long Can You Run a Heat Gun?

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A heat gun is a useful tool that you may need for crafting and DIY projects. The purposes of a heat gun cannot be listed down on one page, but it is very widely used, even in common household items. There are several types of heat guns, such as crafting heat guns, builder heat guns, etc.

It should be noted that all types of heat guns function with the same mechanism. Like most people, you may have asked yourself that how long can you run a heat gun? Do not worry, as we have addressed this in the article. But before we proceed, we should know in brief about heat guns.

How Long Can You Safely Run a Heat Gun?

Generally, heat guns can operate as long as needed without any problems. But it actually depends on the heat gun. Some models are so well built that they may run forever. On the other hand, cheap models may get damaged by overheating parts inside them.

But on average, a heat gun may be used for 15 to 20 minutes at once, after which the tool has to cool down before operating again. It could be mentioned in the manufacturer’s manual, so make sure to check for it.

On a side note, make sure that the heat gun’s airflow is not restricted. If the airflow is blocked somehow, the components inside may overheat and catch fire.

Read: Heat Gun Safety Tips

What Can I Use Heat Guns for?

As mentioned earlier, listing the purposes of a heat gun becomes a daunting task. This is because the tool is very useful and proves to be handy for completing many jobs. Below, we mention some of the most common purposes of a heat gun –

  • Heat guns are efficient at removing paint, decals & stickers
  • To soften, mold, and weld plastic materials
  • Soldering SMDs on printed circuit boards (PCB)
  • It is a must to have a heat gun for phone repair as it helps open components such as the screen
  • Particularly useful in cold regions for thawing frozen pipes
  • Loosening rusted bolts and screws
  • They are very handy in kitchen; it is used to roast coffee beans & melt cocoa, sugar, etc.


Heat guns can generate heat above 500°C without breaking a sweat. But the time after which it has to be stopped for cooling down varies from model to model. As stated earlier, ensure that the airflow of the heat gun is not blocked as it may cause a fire accident.

Do not operate heat guns without protective gears as you may risk burning your hands or damaging your eyes. Getting back to the question we began with, how long can you run a heat gun?

We hope that you have gained the insight you needed from this article.


Can you use a hairdryer instead of a heat gun?

The answer is yes, it can serve the purpose of a heat gun, but keep in mind that hair dryers will not work well in cases where extreme heat is required. Alcohol burner, soldering iron, butane torch, and clothing iron are the most used heat gun alternatives.

What are similar items like a heat gun?

Some common household items that make use of heat guns are hair driers, hand drying machines, and dishwashers.

How to heat the phone screen?

The process is very similar to all other methods of using a heat gun. For a phone, the nozzle of the heat gun has to be pointed at the sides of the display for the glue to melt. Repeat until the display comes off.

How to remove an iPhone screen without a heat gun?

You can use an iOpener for this task; it is to be heated in a microwave and then placed on the screen for the glue to melt. Other heat sources may also be used as an iOpener alternative, such as a hair drier.

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