What temperature kills bed bugs?

Bed bugs are a common household pest that can be very difficult to eradicate. They are small, brownish insects that feed on the blood of humans and other warm-blooded animals. Bed bugs are notoriously hard to kill and can survive for months without feeding. One of the most effective ways to eliminate a bed bug infestation is to use heat. But what temperature kills bed bugs? In this article, we will explore the science behind bed bug extermination and the temperatures required to kill them.

What are bed bugs?

Bed bugs are small, wingless insects that belong to the family Cimicidae. They are about the size of an apple seed and are brownish in color. Bed bugs are nocturnal and feed on the blood of humans and other warm-blooded animals, such as pets. They are commonly found in beds, furniture, and other areas where people sleep or spend a lot of time.

Read a related article on Killing Bed Bugs with a heater

Signs of a bed bug infestation

The most common sign of a bed bug infestation is waking up with itchy bites on your body. Other signs include blood stains on your sheets or mattress, tiny black dots (fecal matter) on your sheets or mattress, and a musty odor in your bedroom.

Why is it difficult to kill bed bugs?

Bed bugs are extremely resilient and can survive for months without feeding. They are also very good at hiding and can squeeze into tiny cracks and crevices, making them difficult to find and eradicate.

How do bed bugs reproduce?

Bed bugs reproduce through a process called traumatic insemination. This is where the male bed bug pierces the female’s abdomen with his genitalia and injects sperm directly into her body cavity. The female then lays eggs, which hatch into nymphs that feed on blood before maturing into adult bed bugs.

The science behind heat treatment for bed bugs

Heat treatment is one of the most effective ways to kill bed bugs. Heat can penetrate into cracks and crevices that are difficult to reach with other treatments. It can also kill bed bugs in all stages of development, from eggs to adults.

How does heat kill bed bugs?

Heat kills bed bugs by denaturing their proteins and destroying their cell membranes. At temperatures above 113°F (45°C), the proteins in the bed bug’s body begin to break down, causing them to die. The heat also causes the bed bug’s body to dry out, leading to further dehydration and death.

Does Cold Kill Bed Bugs?

Every creature in the world is sensitive to a certain temperature. Humans, birds, animals, and small insects have a certain power to resist the temperature. If it is high or too low it may lead to the death of the particular living organisms. Bed bugs are tiny insects and are prone to death if exposed to high or very low temperatures. These insects lay eggs in a warm temperature that is suitable to lay eggs as well as for their survival. In case, if the temperature is above the warm that is 40 degrees centigrade these bugs unable to resist and death occur.

Therefore, if you are frustrated because of these bugs and the gel you have bought is not giving the expected results then you can take a hot temperature treatment. It is an excellent remedy to get rid of these insects.

In contrast, if the temperature is decreased according to their requirements, they start dying. Less time will be taken if the temperature is kept lower. 0°F temperature of freezers is more effective in killing such insects i.e Bed Bugs. The things or those items that are kept in the freezers must be used within 4 days because these insects are very harmful. Plastic bags will be very suitable for their safety purposes.

1. What Temperature Kills Bed Bugs Instantly?

It is 100 and 10% sure that the Bed Bugs kill in the cold or coldest temperature. They die in some days or minutes according to the temperature. If there is no protective thing and the temperature is 113°F, the bugs will die. It will take 90 minutes or more to die. But if the temperature is exposed to 118°F, it will take 20 minutes to die. So, everyone should keep the temperature according to the need of these insects. Then, the insects will immediately die and give you relaxation from itching and other diseases.

2. What Kills Bed Bugs Instantly?

Not only the coldest temperature can kill these insects but also some kinds of medicines are also suitable to eliminate them from everywhere. The alcohol, which is called Diluted Rubbing Alcohol, is also the most effective solution. The insects immediately die when they are made in contact with the alcohol. Moreover, this alcohol evaporates quickly after finishing its work. The method is considered safe as it is not harmful to humans and pets. Thus, only kills these irritating pests.

3. Do Bed Bugs Like Cold Rooms?

It has been seen about people that they think Bed Bugs like to live in cold temperatures mostly. But the fact is that they like the pleasant temperature of 68 °F to survive. Unluckily, they do not live in harsh environments whether it is cold or hot. They prefer a normal temperature of about70-80℉ where they grow successfully and make progress of growth. For stopping the growth of the insects, the temperature must be low.

4. Killing Bed Bugs With Heat Yourself:

It is very easy to remove Bed Bugs from any place. Just use hot water and wash thoroughly where the eggs have been left behind. More than 120 Degrees F will be helpful to diminish them. It will just be removed by some heater or hot water. The opening of an oven or any other such foolish act will not eliminate these insects. Zappbug is one of the most useful heaters that do not cause any toxic pollution and save the environment from germs.

5. Can You Freeze Clothes to Kill Bed Bugs?

Yes, you can. The clothes can be put in the freezer but only for 4 days. They must be packed in a plastic bag for saving purposes. The temperature of the freezer should be kept at -19 Degree Celsius. Yet some bed bugs remain living in this cold temperature. For the best treatment of the work, the temperature must be low because bed bugs will die at this temperature. Not only clothes are affected by these insects, but other items are too. So, plastic bags are very suitable to save everything from these insects.


In conclusion, bed bugs are a common household pest that are notoriously difficult to eradicate. Heat treatment is one of the most effective ways to kill bed bugs as it can penetrate into cracks and crevices that are difficult to reach with other treatments, and can kill bed bugs in all stages of development. On the other hand, cold temperatures can also be effective in killing bed bugs. Bed bugs lay eggs in a warm temperature that is suitable for their survival, but if the temperature is above 40-degree centigrade, they are unable to resist and death occurs. It is also crucial to take preventative measures to avoid future infestations, such as inspecting second-hand furniture and being cautious when traveling to areas with high infestation rates.


1. What is the best temperature for killing Bed Bugs?

These insects like a pleasant environment but die in the coldest temperature. So, the temperature should be 113-118 degrees F for their elimination.

2. Which heating purposes will be the best?

The very important question that is a need of every person. Some people try to kill the insects by opening the doors or windows. They let the door open of the ovens so the heat will come from these areas and kill the insects. But it is not a good way of killing. The best thing is Zappbug Heater that immediately kills these insects.

3. Do the bed bugs like cold temperatures?

Nope. It is not right that the bed bugs like temperature that is not suitable for their survival i.e cold. They like to live in a normal temperature where they can make their grow and lay more eggs.