Do Ultrasonic Pest Repellers and DIY Gadgets Actually Work?
Quick Answer: The evidence does not support ultrasonic pest repellers — independent studies have generally found little to no lasting effect, pests tend to habituate quickly, and the sound doesn’t pass through walls. The Federal Trade Commission has long cautioned manufacturers about unproven claims. What works instead is the unglamorous combination of sanitation, exclusion (sealing […]