Do Ultrasonic Pest Repellers Work?

Rat Closeup On White Background Watching

How do ultrasonic pest repellers work?

  1. Ultrasonic pest repellers use ultrasound to ward off pests
  2. They are effective on a number of insects and animals
  3. Ultrasonic repellers work best with a pest-control system


Ultrasonic pest repellers have been growing in popularity over the past decade or so, and it comes as no surprise as to why that is so. This type of pest control is easy to use, not time-intensive, and most of all, a clean way of dealing with those pesky insects or rodents that you may have seen scurrying around your home.

Despite its popularity, ultrasonic pest repellers are somewhat polarizing, in the sense that many people either swear by its effectiveness or despise its lack of real utility or value. If you are a consumer looking for the best method of pest control, then knowing if an ultrasonic pest repeller is effective or not can be the most helpful information in helping you make a good investment.


Ultrasonic pest repellers use ultrasound to ward off pests

Baby Rats

In terms of its chief mechanism and method of dealing with pests, ultrasonic pest repellers are quite simple. They make use of ultrasound — sound waves at a frequency of 20,000 Hz or more.

You might think that this seems problematic because humans may be able to pick the sounds up and become annoyed by it, but that is not the case. Humans cannot detect or perceive sounds at very high frequencies.

When detected by insects and small animals, however, it may cause confusion, convulsions, and in the worst cases, audiogenic seizure responses — convulsive seizures that happen as a response to loud noises that frequently result in death.

The concept of using noise to ward off pests isn’t totally new as early Chinese civilizations and dynasties have used manually-operated devices that emit sounds to protect their harvests and crops.


They are effective on a number of insects and animals

Now that you know how they work, you would want to know what kind of animals or insects they are effective against. To figure that out, you have to go back to sound frequency sensitivity and check which species are the most vulnerable.

According to this chart, bats, rodents, moths, bushcrickets, and grasshoppers are susceptible to being disrupted by ultrasound waves. However, this doesn’t mean that ultrasonic pest repellers can’t deal with the other common types of pests. Depending on the type of repeller you have your hands on, it is possible to tackle cockroach, ant, or spider infestations. Make sure to read the label to find out.

One great thing about ultrasonic repellers is that they are safe for humans and common household pets such as cats and dogs. However, if you have pet rabbits or hamsters, it would be best to keep them away or in a separate room where the ultrasound waves can’t get to them.


Ultrasonic repellers work best with a pest-control system

Mice Trapped In A Cage

As far as empirical truth is concerned, the effectiveness of ultrasonic pest repellers is still up for debate. As stated above, their use has left many polarized regarding its viability as a legitimate form of pest control. With that in mind, if you are still interested in trying it out for your home or establishment, then the best way of doing it is by utilizing it in a larger, more comprehensive pest-control system.

What this means is that having other methods and approaches that have the purpose of minimizing or eliminating pets all together will make your use of ultrasonic repellers more effective. For example, don’t stop spraying insecticides or setting up traps in areas and rooms with high insect or rodent activity. Don’t forget that ultrasound doesn’t usually kill pests. If they are not fully eliminated, then these pests can still find a way to bypass your system, breed, and give you more headaches.


Key Takeaway

If you are still wondering if ultrasonic pest repellers are effective, then the best way for you to find out would be to try to use one. There are many available products that tackle many different kinds of pests, so choose the appropriate type and apply it properly.

It is important to note that if you are dealing with a full-blown pest infestation whether it’s rodents or termites, then an ordinary repeller will not work. Call your pest-control experts and service providers and leave the tedious work of eliminating pests in your home to professionals.