The 10 Best Ultrasonic Pest Repellers

Updated May 02, 2018 by Tina Morna Freitas

10 Best Ultrasonic Pest Repellers
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We spent 47 hours on research, videography, and editing, to review the top options for this wiki. Other than a professional exterminator, no one wants to see ants, roaches, rats, and other vermin scurrying about on a daily basis. These high-tech, but low-cost, ultrasonic pest repellers can send bugs and rodents running from your home in an eco-friendly and humane manner that requires no physical contact, dangerous chemicals or unsightly traps. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best ultrasonic pest repeller on Amazon.

10. Eliminator Indoor Plug-In

The Eliminator Indoor Plug-In is indiscriminately upsetting to small rodents and critters of all types, including bats, so whether you have a problem located in the house, your barn, or garage, these devices will help to send them away in a hurry.
  • easy to switch on and off
  • nightlight is not very bright
  • may emit an audible clicking sound
Brand Eliminator
Model em-001028
Weight 1.2 pounds
Rating 4.3 / 5.0

9. Eco Mate Reject

Just plug in the Eco Mate Reject and it will start to emit on three different frequencies to protect your home from pests. As with all ultrasonic devices, this one is not safe for homes with hamsters or other rodent-sized animals for pets.
  • covers up to 1200 feet
  • wipes clean easily with a dry cloth
  • may block both wall outlets
Brand Eco-Mate
Model pending
Weight 6.4 ounces
Rating 3.6 / 5.0

8. SZMG Tech

This compact unit from SZMG Tech will save you hundreds in pest control costs and eliminate the need for poisons or messy traps. But because ultrasonic waves do not travel through walls, you will need one for every room that has a problem.
  • available in three colors
  • nightlight can be turned off
  • only one device included
Brand SZMG Tech
Model pending
Weight 4.2 ounces
Rating 4.1 / 5.0

7. Vensmile Wave

The Vensmile Wave has a 360-degree design. The dual speakers give it a wide effective range of over 5,000 unobstructed square feet, but unlike most options, this unit sits on the floor instead of being mounted out of the way in a wall outlet.
  • ideal for large open spaces
  • includes a 5-foot cord
  • some report it agitates small dogs
Model pending
Weight 10.4 ounces
Rating 3.9 / 5.0

6. Eco Brands Pest Block

The Eco Brands Pest Block uses variable frequency technology to change the types of sound waves it emits from time to time. This prevents the vermin plaguing your home from becoming accustomed to the noise, thus it remains effective over longer periods of time.
  • humane solution
  • good value for a 4-pack
  • need one in every room to work well
Brand Pest Block
Model pending
Weight 6.4 ounces
Rating 3.8 / 5.0

5. I-Pure Items 2 Pack

The I-Pure Items 2 Pack is an effective solution that provides good value for your money. The relatively low price allows you to strategically place these devices all around a home, school, or office, so you can create a huge area that is inhospitable to small intruders.
  • sleek blue and white design
  • international voltage compatible
  • flashing blue light is annoying
Brand I-pure items
Model pending
Weight 2.4 ounces
Rating 4.9 / 5.0

4. Aspectek Home Sentinel

The Aspectek Home Sentinel is a 5-in-1 unit that serves as a nightlight, an air-cleaning ionizer, and multifunction insect and rodent control device. The combination of ionic, ultrasonic and electromagnetic waves scares away unwanted visitors.
  • good choice for allergy sufferers
  • safe around kids and infants
  • less effective on spiders
Brand Aspectek
Model HR211
Weight 12.8 ounces
Rating 4.8 / 5.0

3. Forsous 6-Pack

The Forsous 6-Pack provides enough units for whole house coverage. This updated model combines ultrasonic and electromagnetic waves. The ultrasonic sounds are actually varied, so that rodents and bugs do not adapt or become immune to their effects.
  • soft nightlight
  • low energy consumption
  • may take a few weeks to take effect
Brand Forsous
Model pending
Weight 10.2 ounces
Rating 4.8 / 5.0

2. Neatmaster Plug-In

The Neatmaster Plug-In is backed by a lifetime guarantee and is highly-effective at shooing all sorts of small animals and bugs away. Everything from ants to rats will be so perturbed by this unit's ultra-high-pitched sound emissions that they'll head far from your home.
  • simple plug-in design
  • three intensity settings
  • covers even very large rooms
Brand Neatmaster
Model Neat-001
Weight 4.8 ounces
Rating 4.8 / 5.0

1. Pest Soldier

The Pest Soldier emits sound waves of a frequency that the company has carefully tuned to provide maximum disturbance to many types of small vermin. With all four of the included units working in concert, this system can cover a 5,000-square-foot home.
  • deters pests from even entering
  • inaudible to the human ear
  • no dead rodents to dispose of
Brand Pest Soldier
Model UBSO31B
Weight 10.6 ounces
Rating 5.0 / 5.0

How Ultrasonic Pest Repellers Work

If you've ever seen evidence of an infestation in your home, then you know how distressing sharing your house with vermin can be. All of your food immediately becomes suspect, and you'll quickly find yourself shaking out your clothes before putting them on just to ensure that you're the only one in them at the time.

Still, if you have pets or children, you may be hesitant to scatter poisons or traps around your home. Also, for many animal lovers, seeing dead bodies in a trap can be hard to stomach. That's why the idea of an ultrasonic pest repeller can be so attractive.

These products emit a constant, high-frequency sound that human ears can't pick up, but that is very distressing to pests. The sounds cause what is known as an audiogenic seizure response, which causes the vermin to flee in any direction (hopefully straight out of your house) to get away from the noise.

The sounds are believed to even be capable of causing death by cerebral hemorrhaging if the animal is unable to get away, so the repellers might not be as humane as you might hope. Also, they could cause distress in pets like gerbils and hamsters, as well, so they're best limited to garages or other areas your furry friends can't access.

The effectiveness of these devices is a matter of some debate, with different users experiencing wildly different results. Still, they're a fairly inexpensive and safe option, so it may be worth giving them a shot before dropping a lot of money on a professional exterminator.

Now, if they could just make some sort of repellent device that would work on my in-laws...

Tips For Using An Ultrasonic Repeller

Like any pest-control product, an ultrasonic repeller will only be effective if used correctly. There's a good chance that many of the people who are disappointed with their results simply failed to use the device properly.

The first thing you need to do is identify where the pests are gaining access into your home. If they're coming in through the attic and you put the repeller in your garage, you won't accomplish anything. Ideally, you'd place it so that the sound is the first thing they hear when entering your home, which will discourage them from continuing inside. Of course, if you've discovered they're entering through a hole somewhere, patching the hole will be far more effective than any pest control strategy.

It's important to realize that the sound waves these devices emit are easily blocked. Even if you've got one set up in the right room, it won't do any good if it's behind your fridge, washing machine, or anything else that will interfere with the waves. Make sure the device has a clear shot at any intruders.

Studies have shown that some pests can grow accustomed to the noise after a while, so try to find a product that will vary its output. You certainly don't want the vermin to think you were considerate enough to provide them with soothing background music while they perform their dastardly nocturnal deeds.

If you're looking for the very best results, however, you should combine these devices with conventional traps. I realize that defeats the purpose of using them in a humane fashion, but that's the unfortunate reality of the situation. These repellers cause pests to react wildly and scramble around in an attempt to escape the agitation, and unless you use traps, you'll have to simply hope they find their way out the same way they came in.

Tips For Getting Rid Of Vermin

Even if you find that your ultrasonic repeller does a fantastic job of keeping pests out, there's a good chance you'll need to pair it with other strategies to vermin-proof your home.

As I mentioned above, the most important thing you can do is patch up any access points that the intruders can use to get inside. Mice can wiggle their way in through a hole as small as a dime, and all it takes is six inches for a raccoon to declare squatter's rights. Fill in any cracks and crevices, and take the time to look over your insulation while you're at it.

Most pests are drawn to moist areas as well, so look for any water leaks. This includes near air conditioners, humidifiers, and pipes, so check those areas first. This could also help you nip any plumbing problems in the bud before they become full-blown disasters, so make this a habit every month or so.

Next, take a good look at any food sources you may unwittingly leave lying around. Keep your house clean, and vacuum regularly, so that roaches, ants, and other vermin won't be able to find any food on your floors. Invest in some airtight containers for boxed foods like cereal, and be sure to empty your trash cans regularly.

You should also remember that pests will find the places you tend to ignore, so if there's a corner of the garage that you've forgotten about or a pile of old boxes in the attic, it's worth moving things around and taking a peek occasionally. Wear gloves before touching anything, however, and be prepared with an excuse in case the neighbors hear you scream.

Also, if your pets like to get involved in pest control, try to make sure they don't eat anything they catch. Rodents play host to any number of potentially lethal diseases, so you don't want your furry friends dining on them. Keep your pets up-to-date on their shots and flea treatments, as well, but it's better not to let them hunt, if you can help it.

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Last updated on May 02, 2018 by Tina Morna Freitas

Tina Morna Freitas is a writer who lives in Chicago with her family and two cats. She enjoys making and sipping margaritas and aspires to be a crazy cat lady once all the children are grown.

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