Can Bed Bugs Survive in a Hot Car
Bed bugs can survive in a hot car even on a 100-degree day, since they hide in cooler spots like seat foam, seam gaps, and trunk corners where temperatures stay far lower than the dashboard. Bed bugs only die reliably above 118°F held for 90+ minutes throughout the infested area, not just the air. This guide covers why a hot car alone usually is not enough.
You might also check our related guide on can idling car damage engine.
Bed Bugs and Their Characteristics
Bed bugs are small, reddish-brown insects that feed on the blood of humans and animals. They are usually found in beds, furniture, and other dark places. They are active at night and can leave behind itchy, red marks on your skin. Bed bugs reproduce quickly, and a single female bed bug can lay up to 500 eggs in her lifetime.
Can Bed Bugs Survive in a Hot Car?
The short answer is no; bed bugs cannot survive in a hot car. Bed bugs are highly sensitive to temperature changes, and they cannot survive in extreme heat. In fact, bed bugs start to die at temperatures above 118 degrees Fahrenheit. So, if you leave your car in the sun on a hot day, the temperature inside the car can easily reach over 120 degrees Fahrenheit, which is enough to kill bed bugs.
However, it’s important to note that the temperature inside a parked car can vary depending on the time of day, the location, and the weather conditions. So, while it’s possible that bed bugs may not survive in a hot car, it’s not a foolproof method of getting rid of them.
How to Get Rid of Bed Bugs in Your Car
If you suspect that your car is infested with bed bugs, there are several steps you can take to get rid of them. Here are some tips:
1. Clean your car thoroughly: Start by vacuuming your car’s

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2. Use insecticides: You can also use insecticides to kill bed bugs in your car. However, be sure to choose an insecticide that is safe for use in cars. Follow the instructions carefully, and be sure to ventilate your car after using the insecticide.
3. Use heat treatment: If you want to be sure that all the bed bugs in your car are dead, you can use heat treatment. This involves using a portable heat treatment unit to raise the temperature in your car to a level that will kill bed bugs. This method is effective, but it can be expensive.
4. Prevent re-infestation: Once you’ve gotten rid of the bed bugs in your car, take steps to prevent re-infestation. Avoid bringing infested items into your car, and be sure to wash your clothes and bedding regularly. Also, be sure to inspect your car regularly for signs of bed bugs.
Conclusion
While bed bugs may be a nuisance, they cannot survive in extreme heat. So, if you want to get rid of bed bugs in your car, leaving it in the sun on a hot day may be an effective method. However, it’s important to note that this is not a foolproof method, and other steps may be necessary to get rid of bed bugs completely. If you’re having trouble getting rid of bed bugs in your car, consider contacting a pest control professional for assistance.
