Heat Gun vs. Hair Dryer

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Heat guns and hair dryers are two very handy heat applying equipments that have versatile uses and applications. Let us show you the differences between these two in order for you to know which one to use depending on the situation.



Heat Gun Vs Hair Dryer. A woman holding a spray and a hair dryer.

If you’re in the market for a gun-shaped object that projects hot air at varying intensities, you might be considering both a hairdryer and a heat gun. While they look similar and do effectively the same basic thing, they are magnitudes different and are better and worse at certain tasks.

Both machines operate by blowing air over a coiled heating element, and both are handheld and convenient tools for the tasks for which they were designed. A heat gun, however, is not a tool for hairdressing any more than a small dragon would be, and a hairdryer won’t work for jobs designed for a heat gun. To that end, we’re going to examine the differences between the two, when one works better than the other and when they can be used reasonably interchangeably.

What is a heat gun?

Heat Gun Vs Hair Dryer. A woman using a heat gun on her hair.

Conceptually, a heat gun is like a hairdryer, save for two major differences:

  • Heat guns get incredibly hot; over 1200 degrees at their max setting in many cases, which would obliterate your hair and seriously burn you.
  • Heat guns have a much more targeted area to which they fire, making them focused tools.

Heat guns have been used by tradesmen for at least the last 40 years, and probably longer in some incarnation before that.

What is a heat gun used for?

Heat Gun Vs Hair Dryer. A heat gun being used to apply car window tint.

Since the above specifications are not useful cosmetically, let’s examine what a heat gun is used for:

  • One of the most acutely useful tasks for a heat gun is to unfreeze frozen pipes in the winter. While there are a lot of methods to thaw your plumbing without a heat gun, nothing comes close to this level of efficacy.
  • In crafting, a heat gun can be used to make plastic malleable to shape it as you need.
  • Wallpaper and paint can be removed significantly more easily when a heat gun is applied to them beforehand and while peeling. It weakens the bond of the paint to the surface you’re cleaning, and with wallpaper, it actually breaks down the glue. If you’ve ever removed wallpaper without a heat gun, you put yourself through completely unnecessary torture because they really do make it far easier.
  • Likewise, with linoleum or other floor coverings, a heat gun can deteriorate the glue holding them down, making your job removing them much easier.
  • Frozen locks can be defrosted much faster and more reliably with a heat gun than with a hairdryer.

How do you use a heat gun?

Heat Gun Vs Hair Dryer. An image of a regular navy blue heat gun.

Just like a hairdryer, it’s pretty much just point and shoot. Most heat guns simply turn on when you plug them in, though professional-grade models will have adjustable settings and on/off triggers, as they can get much hotter than commercial-grade models. Typically, you want to start out at least a foot away from whatever you’re heating up, as the beam of heat is much more focused and can very rapidly destroy or damage whatever you’re working on. You’ll learn optimum distance as you get more comfortable with the device.

Differences in heat gun models

Heat Gun Vs Hair Dryer. A white heat gun being used to melt paint.

As with any product, there will be key differences depending on how much you spend and how experienced you are. We use a simple heat gun for crafting and sealing up window coverings and it doesn’t have any temperature gauge, buttons or dials; it simply heats up to 300 degrees Fahrenheit (148.89 °C) and we aim it where it needs to go. If you’re into precision, a digital heat gun is much more your style, with a readout that shows you very clearly what temperature your device is currently at.

Heat Gun Vs Hair Dryer. A heat gun and its interchangeable nozzles.

Additionally, the nozzle shape is important. Using one with a much smaller diameter will make a very hot stream of air that blows out very quickly and will require you to stand further back from your target. A wider nozzle will obviously affect a larger area with less intensity and different shapes have different uses as well. A wide-mouthed model might be perfect for removing tricky wallpaper but bad at heating plastic, for instance.

What is a hairdryer?

Heat Gun Vs Hair Dryer. A woman using a hair dryer.

I think most of us have experienced a hairdryer before, but you might not have ever considered a hairdryer on a philosophical level. We’re not going to really do that, either, but we can look at some specifics of what makes up a hairdryer:

  • Temperature-wise, a hairdryer won’t get much above 140 degrees. This is of course in stark contrast to the heat gun, which starts around that temperature. This is because the primary application of a hairdryer is to dry and style hair and anything over 140 degrees will damage your hair and potentially harm you.
  • The tip of a hairdryer is designed to diffuse air outward rather than concentrating it in a specific small area. This means more hair drying faster, and with less focused heat it ensures your hair doesn’t get damaged (ideally).
  • Hairdryers often have different attachments and in some cases, a cold air mode. These make them perfect for styling all manner of hair types because that is, after all their primary purpose.

Heat Gun Vs Hair Dryer. A vintage 1950's hair dryer.

Fun fact: hairdryers were first invented in 1890 by a French hairstylist, because of course, they were. Alexander Godefroy basically ran a pipe from a stove to a seat but honestly, we applaud him for his inventiveness. Handheld dryers came about 30 years later, in the 1920s and haven’t changed tremendously since.

How do you use a hairdryer?

Heat Gun Vs Hair Dryer. A woman using a hair dryer on her long dark hair.

Though there are differences in models, the primary usage is to take sections of your hair and dry them while brushing or otherwise styling. You can achieve many different styles using a hairdryer, and a dryer is less damaging to your hair than using a towel that can break hair and damage tips.

Heat Gun Vs Hair Dryer. A hair dryer and its interchangeable nozzles.

Certain brands and models of hair dryers have adjustable nozzles or ones that you can attach for different benefits. One, in particular, I love (as I have voluminous, curly hair) increases the diameter of the tip by about half, to roughly 10 inches (25.4 cm) across. It also has prongs on it that lift my hair and get the air more efficiently where it needs to go while preventing the streams from getting too hot. The result is bouncy, wavy curls that I adore.

Other applications for a hairdryer are:

  • Taking off adhesive strips or other wall decorations like murals. While these don’t have the same level of glue that wallpaper has, they can be a pain to get off by just pulling. The gentle heat of a hairdryer can make that process far faster.
  • Dewrinkling clothes is another useful tip, as the heat from the dryer can smooth out wrinkles when you’re in a hurry and don’t have time to iron.
  • Drying nail polish and preparing a wax strip are useful cosmetic applications people might not consider.

When can you use heat guns and hair dryers interchangeably?

The low end of the heat gun’s temperature and the middle-to-upper end of the hairdryer are going to be roughly in the same area; 120 degrees. This means in certain circumstances you could use either for a task, though you need to keep that heat gun away from your hair in all circumstances.

Heat Gun Vs Hair Dryer. A heat gun being used to laminate a side mirror.

  • Crayon, while a pain to wash off, is still a wax-based product and can be removed with the heat from either device.
  • If you live in a climate where you need to wrap your windows, both a heat gun and a hairdryer can be used to get the plastic nice and tight.
  • Shrinkwrap responds well to either a low-setting heat gun or a regular blow-dryer.
  • If your kids run around putting stickers all over everything, either device can be used to make the adhesive come off far more easily than simply trying to peel them. It is less likely to damage paint or leave residue this way as well.

Remember when you’re using a hairdryer for non-hair related activities, however, that you don’t leave it running too long. It’s nice in a pinch, but they’re not made to run for long periods of time. If you’ve got a lot of hair and have spent time drying it after a shower, you might have experienced your motor shutting off. That’s your hair dryer telling you that it’s time to take a break, and if you keep using it, it will end up in that big salon in the sky. Treat your robots nicely, and they’ll continue to serve you for years to come, is the point I’m making.



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Source: https://www.headcurve.com/hair/heat-gun-vs-hair-dryer/