Black plastic bags in the sun might work to kill bed bugs in luggage or small items, if the contents become hot enough. Bed bugs die when their body temperatures reaches 45°C (113°F). To kill bed bugs with heat, the room or container must be even hotter to ensure sustained heat reaches the bugs no matter where they are hiding 8.
Heat treatment offers certain advantages when it comes to bed bug management. Heat is non-toxic, and can kill all bed bug life stages including bed bug eggs. However, heat treatment of any kind (except your home clothes dryer) is still relatively expensive and has no residual (long lasting) activity. The lack of residual activity means that bed bugs
Commercial use of heat to battle bed bugs is a recent development in the pest control industry. Rather than traditional insecticides, professionals are now turning to special heaters to eliminate bed bugs. As we'll discuss in this guide, heat is one of the methods to kill bed bugs.
This works because of the same reason heat kills bed bugs - they can only survive within a certain temperature range, and getting a bed bug cold enough can kill it. Unless you can eco-freeze an entire room, which is currently not a feasible solution in the way heat treatment is, liquid nitrogen will only kill the bed bug it is being applied to.
Plug in a portable heating device, place items inside it, seal it, turn it on, and let the device run through its cycle to kill the bed bugs. This is a good option for killing bed bugs on suitcases, backpacks, shoes, and other items that you cannot put into a washer. However, you will have to buy the device, which can be expensive.
How to Kill Bed Bugs with Heat Studies have found that bed bugs and their eggs cannot tolerate high temperatures. If they are exposed to about 120°F, they die within 15-20 minutes. You know that bed bug infestation is not just confined to bed area.