The short answer is no, ultrasonic rodent repellers don't work. Some owners have noticed an immediate effect at first, but over time the rodent problem will continue to persist. To answer the question, you should seek unbiased information on the topic. There is extensive scientific research on the impact of ultrasonic sound devices on pest activity.
Researchers at the University of Arizona examined several studies that proved the claim that ultrasonic pest repellers keep pests away. The consensus of each study was that ultrasonic pest repellers have little or no impact on pest activity. The Federal Trade Commission (FTC) also found that the claims made by some manufacturers are not supported by scientific evidence. The consensus among researchers wondering whether or not ultrasonic pest repellers work is that there simply isn't enough evidence to support claims that they do work.
For rodent control, anecdotal data may indicate that these devices can provide some level of control for a short period of time. But rodents seem to learn to avoid the mechanisms used. Mice quickly get used to sounds that are repeated regularly. Ultrasonic sounds have limited use in rodent control because they are directional and do not penetrate behind objects.
Tests of sound devices show that approximately half of the sound energy is lost within 15 feet of the device. Ultrasonic electronic pest and insect repellent devices claim that their high-frequency sound waves are intolerable to rodents and insects. Ultrasonic pest repellers are mainly used in homes and gardens because of their level of effectiveness. These ultrasonic devices emit ultrasonic sound waves that affect the psychological state of domestic pests.
However, these devices have no effect on the human ear because the sound emitted is above the human ear. Thanks to FTC intervention, package statements about ultrasonic devices for rodents and insects are more discreet than they used to be, and many product websites have links explaining their research methods and results. I avoid car pest controllers and I once knew a device installed in a house, probably to repel dogs that urinate on the carpet in the driveway. Anyway, I bought 2 sonic insect repellent devices, I hadn't used chemicals or other methods before using the sonic devices.
So, if you have a mouse problem, one of the effective methods you could implement to have a mouse-free home is to use ultrasonic rodent repellent devices. It would be great if there was an application or a computer program that could be used to verify that a repeller is actually transmitting sound. Therefore, considering that aerosols need to be reapplied and traps need to be replaced frequently, yes, the ultrasonic device is cost-effective. Ultrasonic pest repellers, once connected to an electrical outlet, work by emitting short-wavelength, high-frequency sound waves that are too loud for humans to hear.
I'm visiting Canmore, Alberta, Canada from the U.S. UU. and Canadian Tire I was in definitely sells 2 brands of ultrasonic devices for rodents. As an electronics technician and as Blane I have absolutely no faith in the claims made by the suppliers of these ultrasonic repellers, yet my D.
Some repellents may even advertise that they kill pests using electromagnetic waves, and are marketed at a fairly reasonable price. Some ultrasonic pest repellers target specific types of pests, such as spiders, cockroaches, or mosquitoes, while others target larger pests, such as rodents. Ultrasonic pest repellers work in more than extraordinary ways if they are from the right manufacturer. In 1995, a report from the University of Lincoln, Nebraska, examined six studies of ultrasonic repellers.
Despite manufacturers claiming that ultrasonic machines affect all of these different species, well-constructed research to support these claims is scant.