Best Insect Foggers Reviewed for Effectiveness

I’ve never used an insect fogger before.  I knew what they were, but before I took this assignment and started compiling the list, I knew next to nothing about them.  I always just assumed that they were meant exclusively for professional exterminators, or at the very least people who lived in bug infested areas where quick acting large-scale coverage was constantly needed.  I’ve learned that for the most part, this is still true.  There are several foggers on the market that the average homeowner will never need.  This includes backpack foggers, foggers that are fueled by propane, heck, there’s even one on this list that reminds me of the robot from Lost in Space.  Beside all these monstrosities, though, are several that are both compact enough and affordable enough to provide a solution for a more typical everyday situation.

Featured Recommendations

Raid Deep Reach
  • Raid Deep Reach
  • 4.8 out of 5
    Our rating
  • Reaches Deep Areas
  • Price: See Here
Hot Shot Indoor Fogger
  • Hot Shot Indoor Fogger
  • 4.6 out of 5
    Our rating
  • Odorless
  • Price: See Here
Longray Basic ULV Fogger
  • Longray Basic ULV Fogger
  • 4.6 out of 5
    Our rating
  • No Clog
  • Price: See Here

Now before we dive right into this, I have a bit of a disclaimer.  I’ve said it before as well, but it’s something that I feel can’t be stressed enough.  These products use very strong chemicals to do their job.  So you need to be completely aware of your surroundings before attempting to use them.  That is exactly why I’ve included a wide range of choices.  If you only have a small area that needs tending to, for Pete’s sake just get one of the smaller, non-propane powered foggers.  As much fun as one of the others would be, there’s no need to cover your entire neighborhood in a toxic haze to kill a few mosquitoes.  There, now we can dive in and look at the


10 Best Insect Foggers


1. Raid Deep Reach

1. Raid Deep Reach
RAID? I know Raid. Who hasn't heard of them? That kind of recognition is usually a good thing. It tells you right away that you are buying a quality product that will most likely do the job you need it to. Since it's on this list, it's a good bet that this fogger is no exception. If you're in the market for a fogger for a smaller, more domestic problem, you can't go wrong tossing this into your cart.
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Gets right in there.

Unfortunately, if you have an infestation, the insects you can see are generally just the tip of the iceberg. It's down in the cracks and recesses of your home where the problem really lies. That's why the makers of this Raid fogger designed it to seep into those cracks, exterminating the heart of the matter so it doesn't keep creeping back.

Keeps on working

With a lot of pest control products, they do their job on contact, and then that's about it. The bugs came back? Buy more and do it again. Not this time. Raid made sure that this stuff would get rid of the problem right away, and then stick around for up to two months. You know, just in case.

Cost and Value

There are a few other products of the same type with a similar price point, while I wouldn't necessarily sing their praises in terms of value, this one is different. This one was made by a trusted company with decades of experience. You know what you're getting, and sometimes that's all you need.
  • Long term extermination for up to two months
  • Non-staining no mess formula
  • Penetrates deep down to exterminate insects
  • Very effective
  • Very toxic
  • Not meant for bigger infestations

2. Hot Shot Indoor Fogger

2. Hot Shot Indoor Fogger
This one is really unique in that it uses a dry fog to exterminate, as opposed to a spray or traditional fog. This makes it no less effective, though the coverage is a bit reduced, so keep that in mind. What’s good about that is there's no messy cleanup of oily residue, and it includes an odor neutralizer. This goes far above and beyond to offer a hard-working product. I like that.
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No smell.

The dry fog formula used in the HotShot Fogger not only cleans up well, it will also blanket the area, helping to eliminate nasty odors left by your new housemates or even pre-existing smells you had no idea about.

Cleans up quick

Now that you've used a fogger to get rid of pests, how do you get rid of the mess it leaves? The spray has to somewhere, and that's usually a greasy smear on your walls and floors. The HotShot fogger luckily doesn't leave that mess.

Cost and Value

I can usually find great value in everything I review, but this one is a bit of a hard sell. That's not to say the product isn't any good. It does its intended job well and comes packed with three cans for convenience. The tough part is the cost is high for the relatively small area this stuff covers.
  • Convenient three pack
  • Easy cleanup
  • Neutralizes odors
  • Exterminates on contact
  • A bit pricey
  • Meant for smaller areas

3. Createch USA Tri Jet ULV

3. Createch USA Tri Jet ULV
This is a big shiny change of pace from the smaller household foggers we took a look at up above. This beast is much better suited to large-scale, long-term jobs, and just judging by its appearance, it seems to be more than up to the task. Looks aren't everything though, and this fogger has been designed for the harshest environments. It uses a cold, non thermal dispersion, resulting in a fine mist that coats the area, as opposed to the usual fog that can get everywhere.
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Great coverage

This is meant as a stationary figger, not one to be carried around. That's okay though because you'll get up to thirty feet of coverage, making sure to get every little square inch coated and protected from those unwanted critters.

Cold, not hot.

It doesn't seem like such a big deal but think about it for a second. As a cold solution, it comes out in a fine mist that blankets the target area. When it's hot, it comes out like a fog, which will cover the area but will also go everywhere else, causing a nuisance at best, and a health hazard at worst.

Cost and Value

The Createch USA Tri Jet ULV Non-Thermal Fogger is a more cost-effective option compared to other more well-known products. Still, they offer comparable performance to those ones, and the lower cost makes this one worth checking out.
  • Comes out cold, not hot and foggy
  • Can use both water- and oil based solutions
  • Up to thirty feet of coverage from nozzle
  • Good choice for mold control
  • Adjustment knob tough to turn
  • Not as durable as others

4. EcoSmart Mosquito Fogger

4. EcoSmart Mosquito Fogger
Okay, you had to know that I would include an eco-friendly option here. No, I don't have an agenda aimed at saving the world, in this circumstance I put this on here solely in the name of variety. Obviously, it's always nice to have a product that's environmentally conscious, but you are going to pay more for the privilege, both in terms of money, and patience because while they are good for the planet, they don't contain any of the known agents that have proven effectiveness. That being said, if you don't need an immediate result, the pros here definitely outweigh the cons.
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Good value

I know, I've already mentioned the cost as a negative, so how can I use it as a good thing? Easy. The initial cost is higher than normal, but then you'll get it home and start using it. Then again. Months later yet again. It comes with three cans, and each use just requires a light spray, so yeah. Pay up front, then reap the rewards for the long term.

No harsh chemicals

That is definitely the main draw of this product, and the whole reason to buy it. The harshest ingredient is probably rosemary oil, which is completely harmless to humans, but luckily bugs hate it. This stuff gets bonus points for smelling so nice too.

Cost and Value

Be careful, because you may well cringe at the cost of this fogger. However, the price is completely justified when you see that it's a completely organic product. When it comes to protecting the environment, a little more money is nothing.
  • Completely organic
  • Long lasting
  • No gross residue
  • The three cans go a long way
  • Not as potent as others
  • Not the best coverage

5. New Invatech Backpack Fogger

5. New Invatech Backpack Fogger
Want to get rid of nasty pests while looking like a Ghostbuster? Now you can! That's just one of the many perks you get to enjoy with this backpack sprayer. I mean sure, the rapid dispersion, remarkable range, and competitive price are important features too, I guess. None of them are really as cool though, but they all combine to create a really well made piece of equipment.
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Easy on the back

I guess comfort is pretty crucial when you're spending your day walking around with a fogger on your back. The ergonomic design of the harness is a great help to that regard, providing posture and stability to keep you going strong.

Goes where you go

Of course it does, it's strapped to your back. Quite comfortably too I might add. This portability coupled with it's range make this perfect for greenhouses, farms, fields, any large area, really.

Cost and Value

It’s big, it's heavy, and it's cheap. At least compared to other similar products. It's made by a newer company, and they are doing it right by giving high end quality at an affordable price.
  • Great for crop protection
  • Ergonomic shoulder straps and back rest
  • Rapid dispersion
  • Well priced
  • Very heavy
  • Cheap straps

6. Hudson 99598 Electric

6. Hudson 99598 Electric
This one is a great choice if you like to putter around the house and have an unusual amount of bugs getting underfoot. It's electric, so the home and surrounding areas are where you want to be. Nonetheless, Hudson designed this for more domestic residential and commercial situations, and the Hudson 99598 Fog Electric Atomizer Sprayer thrives in that world.
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You are covered

As long as you're close to a power source, you can cover as much ground as you need to without anything to hold you back. The shoulder straps give you the freedom to go where you need to go.

Built tough

Just because your pest control needs may be on smaller scale, that doesn't mean you don't deserve top of the line quality in a fogger. Hudson agrees with that and built their atomizer to give industrial performance in a great package for home use.

Cost and Value

Anything that claims to be industrial quality and can back it up already has a lot going for it already in terms of value. Now, when it also happens to have a very reasonable price point, it just become a no-brainer.
  • Industrial quality
  • Good coverage
  • Portable
  • Great for large gardens
  • Clamp known to break
  • Pretty bulky

7. Silver Bullet ULV Fogger

7. Silver Bullet ULV Fogger
I like these foggers, as much as you can like a fogger. The thing that sticks out for me is the nonthermal cold dispersion present in this one. That goes a long way to keeping the affected area contained, without the concern of the harmful chemical seeping into the neighborhood. Pest control is a necessary evil that not everybody needs to be exposed to.
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Won't corrode

Housing this hard-working fogger is a nice shiny stainless steel shell. Besides looking sharp, the use if this material achieves a sturdy corrosion-free construction that will hold up for a long time to come.

Power to spare.

Why would a fogger need a powerful motor? It's pretty simple, really. The extra power this thing packs makes it a beast as far as distance and coverage go, meaning you can say goodbye to that pest problem.

Cost and Value

Another high-quality nonthermal fogger with top of the line features and a very nice price point. I think I'm beginning to see a trend. It's always good to have options at different costs, especially for those unfamiliar with the product.
  • Corrosion free stainless steel construction
  • Great price
  • Large capacity fluid tank
  • Powerful motor
  • Known to leak
  • Motor overheats

8. Bonide 420 Fog-Rx

8. Bonide 420 Fog-Rx
Here's a bit of a surprise: this fogger is housed primarily in nylon. If nothing else, I'd say that makes it pretty lightweight and durable. All good things when the main use if a fogger is to be carried around in various conditions for an extended time. So not only do you get convenience, with its rapid dispersion and large area of coverage, you get it all.
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Doesn't leave a trace

After the Bonide 420 Fog-Rx Propane Insect Fogger does its job, the only reminder you're left with is a bunch of little bug carcasses, and not a big messy, oily stain to clean up.

Works fast

For a lot of the foggers on this list, I've talked up the benefits of a great coverage area, but this one has an equally important trait: it gets the solution out of the tank and onto the target area fast.

Cost and Value

If you happen to have a decent sized garden that you're passionate about, the money that you’d put out for this fogger (which isn't a lot) wouldn't be an issue after just a few uses of it. It's a perfect ally for your garden, and you'll be glad to have it.
  • No residue
  • Durable nylon construction
  • Very fast dispersion
  • Great coverage
  • Has been known to spray fire
  • Plugs up

9. Hudson 62691 Fog

9. Hudson 62691 Fog
Just as effective as their commercial model, yet aimed at those who have pest problems on a slightly smaller scale, the 62691 Propane fogger is the perfect alternative when bigger foggers would only be overkill. It still bears the Hudson name and commitment to quality that has kept them around for so long, it just happens to be a bit smaller and lighter so you can easily carry it around your property and take care of business without any inconvenience.
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Locked out

This may seem like a minor feature, but really, it’s pretty huge. The last thing you need when you’re busy exterminating those pests is your fogger accidentally going off and spraying toxic chemicals all over. It’s a waste of money, and it could prove to be very harmful. A simple trigger lock, as found on this model, eliminates that issue.

Lightweight Construction

The smaller ½ gallon tank and lightweight construction make the 62691 Fogger by Hudson the ideal fogger for around the house. One half gallon may not seem like much, but it will be more than enough for your home.

Cost and Value

Another case of you get what you pay for, this fogger is admittedly more expensive than many other choices, but Hudson, the manufacturer, has over a century of expertise and knowledge in the field of pest control, so it's a price well earned.
  • Great for around the home
  • Ignites easily
  • Trigger lock prevents accidental discharge
  • Lightweight
  • Pump clogs
  • Pesticide can melt the pump

10. Longray Basic ULV Fogger

10. Longray Basic ULV Fogger
This is the one I mentioned above that looks like it belongs in an old 60’s sci-fi show, and because of this, it is my favorite one. Beyond the unique appearance, I swear they built this fogger to make your life easier. Every feature it has to seem geared toward efficiency, performance, and results. If you have a big bug problem, and a few dollars to spare, the Longray fogger is the robot, I mean fogger, for you.
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Fill and go

The tank on the Longray Basic ULV Fogger is super easy to fill up so you’re not wasting time with preparation and can get out there and chase away the insects and pests. It also lends well to keeping everything nice and clean, as you are less likely to cause any spills.

No clog!

The nozzle for this fogger doesn’t clog up. I like that. The last thing I’d want to do if I were in an exterminating mood would be to have to mess around with a plugged up fogger, getting chemicals all over the place while the bugs flourish and multiply. The whole design of this one is to make the job quick and easy.

Cost and Value

This is a huge piece of equipment meant to carry out a huge amount of work, thereby making your workload lighter. You are going to have to pay up a bit for that assistance, but in the end, it's well worth it.
  • Good sized tank
  • Easy fill valve
  • Easy to carry around
  • Clog proof nozzle
  • Very loud
  • Weak hose

See? That is some impressive, and intimidating machinery.  They are also pretty cool, if not a bit pricey.  Honestly though, can you really put a price on peace of mind when it comes to effective pest control?  Sometimes you’ll find yourself in a tough spot where a couple cans of bug spray just won’t don’t anything more than have the bugs laughing at you.  That just won’t cut it.  That’s when you’re going to need to break out the heavy weaponry.  I live in an area of the planet where summers, though short, are wet and plagued with mosquitoes and horseflies, so I get it.  In those cases these things are invaluable.  So when you’re ready, pull up this buying guide, do your research, and I’m sure you’ll see that any one of these beauties will have those nasty annoying pests running for their lives in no time.  If they can get away.

Criteria Used in Choosing the Best Insect Foggers


One of the first things that you will want to think about when purchasing a mosquito fogger is what kind of fogger you are looking for. Foggers come in two broad categories which are thermal foggers and cold foggers. Each category can be broken down further into two additional subcategory which is gas or electric for thermal foggers and ULV or propellant style foggers for cold foggers. Each type of fogger will have different price ranges, effectiveness, and ease of use so you will want to take some time to become familiar with all of the different kind of foggers that are available prior to pick out a mosquito fogger. You will be much happier with your purchase when you understand what each kind of fogger does and how well it works so it’s worth your time to do some research in this area.


One of the main categories of mosquito foggers is thermal foggers. Thermal foggers are mosquito foggers that use a heating element to heat and ultimately vaporize the pesticide that you are using in the unit. This kind of fogger will produce a true cloud of fog so it is much easier to see where you have fogged and the fog will also be denser than what cold foggers are capable of producing. You can get thermal foggers with either gas or electric heating elements and you will need to choose if you want a portable fogger or a stationary fogger as well.


You will also see cold foggers which do not use a heating element to vaporize the pesticides in the fogger. These foggers use air pressure to force the chemicals through nozzles which create a fog of insect repellent. Cold foggers are more versatile than thermal foggers and you can use them for other tasks besides repelling insect. For example, you can use a cold fogger to kill mildew or mold in your home and they can even be used as a humidifier. Like thermal foggers, cold foggers come in portable and stationary so you will need to decide what kind of fogger you wish to use when you are purchasing a cold fogger.


You will see two types of cold foggers which are ULV foggers and propellent foggers. ULV foggers stand for Ultra Low Volume propulsion system and rather than creating a heavy fog, this kind of fogger will create a mist instead. A ULV fogger will allow you to adjust the rate of flow through the fogger so you can use low flow rates for targeted fogging or high flow rates when you need to fog a large area. The particles generated by a ULV fogger will be between 15-30 microns which is larger than what you will get from a thermal fogger but will still be effective for controlling pests and insects.


You will also see propellant foggers which is a consumable type of fogger. This kind of fogger is essentially an aerosol canister of insecticide that has a large nozzle on the top of the canister. A propellant fogger usually has insecticides that will kill flies, mosquitos, and other pests on contact so you can use this style of fogger when you need quick results from controlling pests. Due to the low cost, many people will choose a propellent style fogger for a backyard party or similar event because it can treat up to 1,200 square feet. One of the main disadvantages of a propellent style fogger is that it is normally a one-time use product. That means that you cannot refill the fogger once you have exhausted all of the chemicals and propellent in the fogger. On the other hand, a propellent fogger will be useful when you do not wish to spend a lot of money on an insect fogger or you need something that is small and light to pack in your gear.


It is always best for you to know about the different kinds of insect foggers that are available prior to purchasing an insect fogger. This will allow you to make an informed choice about the fogger so that you get a fogger that is best suited to your needs. Thermal foggers are foggers that use a heating element to vaporize a pesticide or an insecticide. They can be portable or stationary and come in both gas and electric varieties. Cold foggers force fluid through a nozzle which creates a fog. Like thermal foggers, you can get a cold fogger in both stationary or portable styles depending on which kind is most suitable for your needs. Cold foggers come in both ULV and propellent style foggers. While ULV foggers are reusable, propellent style insect foggers tend to be a one time use only device. Each type of insect fogger will have a wide range of prices and features so you should do your research prior to purchasing an insect fogger.




You will also want to think about the zone of coverage when you are picking out an insect fogger. The size of the coverage area will determine how much of an area that you can effectively fog while penetration will determine how well the fog is able to reach into nooks and crevices where insect may be borrowed or hiding. Some foggers are for outdoor use only while other styles of insect foggers can be used indoors and outdoors. The type of fogger that you end up purchasing will be largely determined by the area that you wish to treat for insects. Some foggers are better for small areas while other foggers are more suitable for large areas.


A thermal fogger is ideal for treating large outdoor areas for insects. Many of the home foggers are designed to treat an area that is up to 5,000 square feet so they are suitable for backyards, gardens or campsites. The fog will normally disappear 5 to 10 minutes after treatment at which point it will be safe for you to continue with your outdoor activities. A thermal fogger produces a dense fog that is sized between 0.5 up to 10 microns which makes it an excellent choice for treating outdoor areas. The dense fog is able to penetrate cracks, nooks, crannies, and crevices where insects may be hiding which means that the treated area will be largely free of insects after treatment.


Thermal foggers should not be used indoors for a couple of reasons. One of the main risks of thermal foggers is that they use a heating element to vaporize your insecticide and this poses a risk for fires. While fires are a concern when treating outdoor areas, you are at a significantly higher risk for a fire indoors due to the higher concentration of combustibles that are stored inside of a building. Fire risk is also a reason why a gas-powered fogger should never be used indoors, but the risk is real even with an electrically powered insect fogger. The treatment area of a thermal fogger is also too large for an indoor area as well so fogging inside will likely result in a chemical coverage that is too concentrated once the fog settles.


Cold foggers are suitable for both outdoor and indoor usage, but you are likely going to get better results when using this kind of fogger in an indoor setting as opposed to an outdoor setting. Most ULV foggers have an adjustable nozzle that allows you to control the flow rate in the fogger. This allows you to set the fogger at a high flow rate when you are treating outside and a low flow rate when you are inside. You should keep in mind that adjusting the flow rate will change the size of the particles that are produced by the fogger.


For example, when you are using a high flow rate on a ULV fogger, you will likely end up with particles that are as large as 30 microns. The larger particles allow you to treat a larger area but they also mean that the particles will not penetrate tight areas as well due to their larger size. For this reason, ULV foggers are less effective than thermal foggers when used outdoors because a thermal fogger produces a fog that is much denser than the fog that is produced by a ULV fogger. On the other hand, you can adjust your ULV fogger for a low flow rate which will produce smaller sized fog particles that can be as low as 15 microns. This makes the ULV fogger suitable for treating indoors since you will have less coverage area and can direct the fog easier.


A propellent style fogger is a great choice for treating indoors and outdoors. When used outdoors, a propellent style fogger can generally treat an area that is as large as 1,200 square feet. Since they are filled with chemicals that kill insects instantly, a propellent fogger is a great choice for treating an area on a temporary basis which makes them suitable for short-term outdoor activities such as an outdoor picnic or a cookout. A propellent fogger’s smaller treatment area also makes them a great choice for when you need to treat an indoor area as well.


Since each kind of fogger is designed to treat a different area, you will need to think about what sort of area you wish to fog when you are picking an insect fogger. When you plan on treating a large outdoor area, you should choose a thermal fogger. Indoor fogging should be done with a cold fogger to reduce the risk of fires or overtreating of the affected area. You can also use a cold fogger outdoors but you should not plan on them being as effective as a thermal fogger.


Size and Weight


Insect foggers come in different shapes and sizes so you will need to look around and find one that is the right size for your needs. Large insect foggers are useful for when you need to treat long areas for long periods of time while small foggers can be more useful for when you need to treat a small area or bring your fogger with you on a trip. Your specific situation and coverage needs will be a factor in the size of the fogger that you will end up needing. For this reason, you will need to consider the size and weight of the insect fogger so that it suitable for your coverage needs.


Large insect foggers are often worn on the operator’s back using shoulder straps. The size of the fogger allows it to have a larger motor which will help produce a larger cloud of fog when using the machine. It also means that the fogger can have a larger tank so that there is less need to refill the fogger between uses. Most of the time, this style of fogger is used in commercial purposes where the operator has to treat lots of small areas and needs to move quickly between job sites or treat a single large area in an efficient fashion. Most people will not have a practical need for such an insect fogger but they can be purchased for people who do need the extra power that comes with this kind of fogger.


Many homeowners and gardeners will look for either stationary or handheld insect foggers. If you are looking for a portable insect fogger, then you will most likely want a fogger that weighs less so that you can carry it more easily. A smaller fogger will also have a smaller tank so this can mean that you will need to refill the tank more frequently than what you would with a larger insect fogger. On the other hand, a portable fogger allows you to move around your area freely which means that you can cover a larger area than what you can with a stationary fogger.


Since portable insect foggers tend to have a smaller size, they are suitable to bring along with you when you are camping or on a trip. This allows you to pack and stow the fogger in your vehicle so that you can treat a campsite for insect prior to setting up camp. You will also be able to treat your campsite while you are camping as well which will make your camping trip more enjoyable. If you are looking for a portable insect fogger then you should make sure that it has good handles or be carrying straps so that you can use it without too much trouble. It will also help if the fogger is lightweight which will make it easy to carry.


Most of the time, a stationary insect fogger will be larger. This is because the intent behind such a device is to set it up in one area and fog as needed. Since there is no need for you to move a stationary insect fogger around from place to place, there is less reason to make them small and lightweight. This isn’t to say that a stationary insect fogger is extremely heavy or difficult to move. Many stationary insect foggers are about the same size as a countertop kitchen appliance. However, if you are going to purchase a stationary insect fogger, then you have less of a need to be concerned about the size and weight of the machine since it is unlikely that you will need to move it on a regular basis.


The propellant style insect foggers are the smallest size of insect fogger and are also the most portable. Most of the time, this kind of insect fogger is the same size as an aerosol can which makes it suitable for traveling and packing purposes. The small size is the reason why many people will take this kind of insect fogger with them when they are camping or spending an afternoon outdoors. Propellent insect foggers are a one time use only item so you should not use this kind of insect fogger if you plan on treating an area on a repeated basis.


The size and weight of the insect fogger can vary depending on the type of insect fogger that you choose to purchase. Large insect foggers can be so big that you need to carry them on your back, however, these kinds of insect foggers are normally used for commercial purposes. Most people will either purchase small size insect fogger that is stationary or portable because they are used for a smaller outdoor area. You can even get insect foggers that are a similar size to an aerosol can which make them easy to pack and travel with.




Every kind of insect fogger is operated differently so you will want to think about how you operate a fogger that you are interested in purchasing prior to buying the fogger. For example, thermal foggers have extra start-up procedures than ULV foggers and you will also need to think about different safety concerned depending on what sort of fogger you end up purchasing. A propellant based fogger is the easiest kind of insect fogger to use while a thermal fogger tends to be highly effective. When you are purchasing an insect fogger, you will need to think about how easy or difficult it is to operate the fogger so that you end up with a fogger that you are happy with after purchasing it.


Thermal foggers, while highly effective, tend to require the most amount of skill to use. That is because these foggers need to be warmed up prior to using them in order for them to function properly. In order to use a thermal fogger, you will first need to fill the tank of the fogger with the insecticide that you plan on using first. After you have filled the tank with your favorite insecticide, you will need to light the fogger. Some thermal foggers have an automatic igniter that turns on with the unit, but other models may require you to ignite the unit manually. Regardless of which kind of lighter you have, you will need to wait for the thermal fogger to warm up before you start to use it otherwise it will not work properly.


While you are using a thermal fogger, you will need to be mindful of a few safety concerns. One thing that you need to make sure is that your arm or body do not come in contact with the end of the fogger where the heating element is located. Contact with the heating element can lead to injury from burning so it is important that you are aware of your surroundings when you are using a thermal fogger. You will also need to wait for the fog to disperse before you enter a treated area since a thermal fogger produces dense fog and you do not want to breathe in too many chemicals. It will usually take between five to ten minutes for the fog to settle after you have treated an area with a thermal fogger.


ULV foggers are easier to use than a thermal fogger and have fewer safety considerations. Unlike a thermal fogger, there is no need to wait for a heating element to warm up prior to fogging due to the fact that fog is produced by vaporizing the liquid. This allows you to start treating an area as soon as the fogger has been turned on which makes it much easier to use the fogger. Many ULV foggers allow you to adjust the flow rate so that you can use them in both indoor and outdoor settings. If you are using the fogger indoors, then you will want to pick out a low flow rate so that you do not overtreat the area. Outdoor usage will require you to use a high flow rate so that you get a larger treatment area. You will also need to consider access to power when you are using a ULV fogger since it will need a source of electricity while you are using it.


ULV and thermal foggers do require maintenance so you will want to be considerate of what it takes to maintain your fogger after you have used it. Cold foggers have more moving parts than a thermal fogger which can make them more difficult to maintain over the lifetime of the unit. As always, you will need to consult the operator’s manual of the fogger in order to figure out what it takes the maintain it after you have finished using it.


Out of all of the foggers, propellent foggers are the easiest to use and do not require maintenance. This is due to the fact that a propellent fogger is meant to be disposed of once you have used all of its contents. All it takes to use a propellent fogger is to remove the safety features and press on the top of the fogger with the nozzle pointed away from you. After you have finished using the fogger, you should dispose of it properly rather than throwing it into the trash.


Every type of insect fogger is used differently so you should consider how easy or difficult it is to use a fogger prior to purchasing it. A thermal fogger requires more steps to start using and you need to think about safety while you are using it. A cold fogger can be used as soon as it is turned on which makes it easier to use. Finally, propellent foggers are the easiest to use and can be disposed of quickly after you have finished with them.




Insect foggers can range from a few dollars all of the ways up to thousands of dollars depending on the kind of fogger and what sort of features you want to include in the fogger. Some people need a high-end fogger that can cover a large area or be used throughout an entire day of work while other people only need an inexpensive insect fogger for a single use. As always, your needs will play an important role in how much you should spend on a fogger and since everyone has different needs, you will need to look for the fogger that is right for you at a price that you are comfortable spending.


Most people will not want to spend thousands of dollars on an insect fogger. Such insect foggers are intended for commercial use and are more of a capital investment for a business rather than for someone who is looking for an insect fogger for casual use. If you are someone who is in the pest control business, then chances are that you are connected to dealers who sell high-end commercial foggers. For this reason, we will move onto foggers that are intended to be used by the general public as opposed to pest control professionals.


ULV foggers tend to have the highest cost when it comes to household foggers because a ULV fogger has more moving parts than a thermal fogger. For example, a ULV fogger has a motor and spray nozzles that are used to produce fog. They also have valves that control the flow rate into the nozzle and thus control the amount of fog that is produced by the fogger. Another reason that ULV foggers cost more is that they are more versatile than a thermal fogger. For example, you can use a ULV fogger with plain water as a humidifier for a greenhouse or use can use this kind of fogger as a way to kill mold and mildew. All of these features add to the price of the fogger which increases the price of the fogger.


A thermal fogger tends to have a lower cost than a ULV fogger because they are simpler machines. A thermal fogger primarily uses a heating element to heat up the insecticide to create fog. There are no high-pressure nozzles, pumps, and motors in a thermal fogger which makes it much easier to build a thermal fogger. A thermal fogger does not work with as many fluids as a ULV fogger so they are not a versatile as a ULV fogger. However, the simplicity of the fogger does help to keep the price down on a ULV fogger at the expense of restricting on where you can use the fogger and ease of use.


The least expensive option for an insect fogger is a propellent fogger. Propellent foggers have a low cost because they are designed to be used once and discarded when you have finished using it. They cannot be refilled and reused so they are not a cost-effective solution when you need to continuously treat an area on a regular basis. However, a propellent fogger is useful when you only need to treat an area one time and you do not wish to spend the money on a longer-term solution. This makes a propellent fogger into an ideal choice for when you are traveling or hiking for a night and only need to use a fogger once.


When you are thinking about the cost of your fogger, you will also need to think about the lifetime cost of the of the fogger as well as the upfront cost. Each kind of fogger uses its insecticide differently and some foggers use their chemicals more efficiently than others. A thermal fogger tends to be the most efficient usage due to its small fog particle size that allows for better penetration with less fog. The propellent style fogger is most likely the least efficient kind of fogger since it is not a high-end device. You should keep in mind that the more you spend on a fogger, the more likely it will be efficient with its chemicals which will ultimately affect the lifetime cost of the fogger. Repair and maintenance are also an expense so you will want to think about what it takes to maintain your fogger as well.


Insect foggers come in a wide variety of price ranges so you will want to think about how much you want to spend on a fogger before you purchase it. A propellent style fogger can only cost a few dollars while a high-end commercial fogger can cost thousands of dollars. Chances are that you will be able to find an insect fogger at a price that you are comfortable spending, but you should keep in mind that higher end foggers have more features and may have a lower lifetime cost than an inexpensive insect fogger.


Frequently Asked Questions

Q: Can I use an insect fogger in the wind?

A: It is not a good idea to use an insect fogger in a windy area. For one thing, the wind will blow the fog away from the area that you intend to treat and the fog will likely settle in a different area instead. Not only will this render the treatment to be ineffective, but you may also antagonize neighbors by blowing fog into their area when they did not want any fog in the first place.

Q: Where should I treat outdoors?

A: When you are treating for insects outdoors, you should look for areas where insects will hide and where they will likely lay their eggs. Insects tend to hide in dark areas such as vegetation, under rocks, or other objects where there is a shadow. This will keep them from getting exposed to light and predators. When you are fogging outdoors, you should look for such areas and try and direct the fog in those directions so that insects and their eggs are killed.

Q: What is the best time of the day to fog insects?

A: Fogging for insects is most effective when insects are out and about. This will cause them to get exposed to the insecticides and will cause them to die quickly. The middle of the day is the best time in most areas since insects are active and the wind tends to be calmer during this time of the day. Morning and evening hours have lower temperatures so insects are less likely to be out during these times of the day.

Q: What sort of bugs are killed by insect foggers?

A: Insect foggers are generally used to kill and prevent the return of mosquitoes, flies, and other flying insects. The insecticide that you use with the insect fogger will ultimately determine what sort of insects end up getting killed by an insect fogger. Prior to fogging, you should check the insecticide and read what sort of bugs it is able to kill. This will give you a good idea of what sort of insects will get killed.

Q: How often should I use my insect fogger?

A: You do not want to use your insect fogger too much or you will risk exposing yourself to too much insecticide. Most insect foggers should only be used once every couple of days or less in order to avoid over treating the area that you are fogging. The insecticides that you choose to use will provide you with further guidance as to how often you should treat an area with an insect fogger so make sure to read the directions.


  1. EPA, Safety Precautions Insect Foggers
  2. Insect Cop, Difference Between Thermal and ULV Foggers
  3. Garden Guides, Bug Foggers
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