“Do ultrasonic pest repellers actually work?” Read on to see what pest control experts say about these devices and if these are a good solution for your pest control needs. An ultrasonic pest ...

They often work better than homemade bug sprays for repelling rodents like mice ... long-term effectiveness of ultrasonic repellents. Limited Range: The sound waves do not penetrate walls, making ...

Josh Swaney, Conyers A: Sound repellers have been tested almost invariably on rodents and insects ... to cover a large area. Ultrasonic repellers do not work to repel any animal unless you ...