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the claim
Ultrasound devices effectively repel household pests
the verdict
REFUTED
the evidence says no
confidence 16/100

Scientific studies evaluating ultrasonic pest repellers have consistently found that these devices lack sufficient efficacy to control household pests or other animals.

Evidence against · 2
The Efficacy of Ultrasonic Pest Repellent Devices against the Australian Paralysis Tick, Ixodes holocyclus (Acari: Ixodidae)
2021 · cited by 10
The study tested nine ultrasonic devices against ticks and concluded that the devices are ineffective and should not be employed in pest management.
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More against · 1
Efficacy Testing of an Ultrasonic Bird Repeller
1988 · cited by 1
The study evaluated a sonic-ultrasonic device and found it had no significant repelling effect on bird behavior.
The paper trail · every fact has a biography
first checked01 Aug 2026
judged → REFUTED · 1601 Aug 2026
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