Ultrasonic Rat Repellers: Don’t Waste Your Money

Verdict: They Don’t Work

Research shows zero efficacy. Even the Humane Society doesn’t endorse them.

What Actually Works

1. Exclusion: seal all gaps ≥½ inch.
2. Trapping: snap traps, live traps.
3. Sanitation: remove food, water, clutter.

Resource

ICWDM has complete rat control guide.

Rule of Thumb

If it sounds effortless, it’s a scam. Real rodent control takes work.