Watch for bed bugs in shared laundry rooms — Usually, if an item that has a bed bug on it is washed, the bed bug will die. Still, it's possible for shared laundry rooms and laundromats to have bed bugs that hideaway. Inspect your laundry after washing, just to be sure.
While freezing can kill bed bugs, temperatures must remain very low for a long time. Home freezers may not be cold enough to kill bed bugs; always use a thermometer to accurately check the temperature.
Bug Types. The cold interior of your refrigerator remains perfectly chilled at all times, which should protect you because many bugs avoid colder climates. You may still have a problem with flying bugs, such as fruit flies, flies and gnats. Walking bugs like roaches will also live inside the refrigerator.
While you could theoretically kill bed bugs by putting items in your freezer, it would be a bit impractical. You would need to ensure that your freezer is staying at or below 0 degrees Fahrenheit, and you would need to keep the items in there for at least 80 hours.
Some people are able to find a professional pest control person who will only use steam to treat; keep in mind that the kinds of dry vapor steamers that hold enough water to be useful in a bed bug war, get hot enough to kill the bugs, and produce dry steam that won't leave behind a mold problem tend to be expensive.
Items would have to be stashed in a regular freezer for two weeks or more for bed bugs to die there. 6. Bed bugs die in heat; therefore, I will seal my (prized possession) in a black contractor bag and set it in the sun/my car. Nope. Bed bugs die if exposed to 120 degrees Fahrenheit for an hour.