Can a Clothes Dryer Kill Bed Bugs? Yes, Here’s How

Yes, a clothes dryer can kill bed bugs, but only if you use the right heat and time. We found that **a dryer set to high heat for at least 30 minutes** will destroy all life stages, including eggs. The key is that **temperatures above 120°F** are lethal to these pests.

You don’t need to buy expensive chemicals or call a pro just for your laundry. **Your dryer is one of the most effective tools** you already own. It’s a simple, chemical-free way to treat infested bedding, clothing, and fabrics right in your home. This method works great alongside other bed bug control steps to clear out an infestation.

High heat works: A dryer on high kills bed bugs and their eggs in one cycle.
Time matters: Run the cycle for at least 30 minutes to be safe.
Heat is key: The dryer must reach over 120°F (49°C) inside the drum.
Safe for fabric: It’s chemical-free, so it’s safe for your family and pets.
Best for laundry: Use it on clothes, sheets, and blankets, not on mattresses.

Let’s walk through exactly how to use your dryer for bed bugs, what temperatures actually work, and the simple steps to get it right every time.

Why Heat Is the Ultimate Bed Bug Enemy

Bed bugs are tough little pests. They can survive months without a meal. They hide in tiny cracks and seams. But they have one fatal weakness: heat. When temperatures climb past 120°F, their bodies literally cook. Their cells break down. They cannot survive it.

We found that a standard home dryer gets hot enough to do the job. Most dryers reach between 125°F and 135°F on the high setting. That is more than enough to kill bed bugs at every life stage. The key is making sure the heat penetrates the fabric. Thick blankets or heavy comforters need extra time to heat all the way through.

Think of it like baking a casserole. The outside gets hot fast, but the middle takes longer. Your dryer works the same way. A big pile of wet towels will trap cold spots. That is why we always recommend drying items in small loads. Smaller loads mean better heat circulation and faster kill times.

What Temperature Kills Bed Bugs Instantly

Research shows that bed bugs die at temperatures above 113°F. But that is only if they stay exposed for a long time. At 118°F, it takes about 90 minutes to kill them all. At 122°F, they die within minutes. At 125°F or higher, death comes almost instantly.

Your dryer on high heat easily reaches these temperatures. The CDC and EPA both recognize heat treatment as a safe and effective way to kill bed bugs. Many pest control pros use commercial heaters to raise room temperatures. Your dryer does the same thing on a smaller scale for your clothes and bedding.

One important note: eggs are harder to kill than adult bugs. The eggs have a protective shell. They need slightly higher heat or longer exposure. Running your dryer for a full cycle at high heat takes care of this problem. The extended time ensures the eggs get cooked too.

How to Use Your Dryer to Kill Bed Bugs

Using your dryer is simple. But there are a few steps to follow to make sure it works every time. We have tested this method and found it highly effective. Here is the process we recommend.

First, strip your bed completely. Remove all sheets, pillowcases, blankets, and mattress pads. Gather any clothes that might be near the bed. This includes things on the floor, in a hamper, or draped over a chair. Bed bugs love to hide in piles of laundry.

Next, carefully place these items into your dryer. Do not overload it. You want the air to move freely around each item. If you have a huge pile, split it into two or three loads. Small loads work better than one giant load.

Step-by-Step Drying Instructions

Here is the exact process we recommend for killing bed bugs in your dryer:

Sort your items by fabric type and weight. Delicates may need a lower heat setting.
Place items directly into the dryer. Do not wash them first unless they are dirty.
Set the dryer to the highest heat setting that is safe for the fabric.
Run the cycle for at least 30 minutes after the items are completely dry.
Remove items and place them directly into clean plastic bags.
Seal the bags tightly so no bed bugs can get back in.

The extra 30 minutes after drying is crucial. That is the time when the heat really penetrates deep into the fabric. Even if the dryer reached 120°F early on, that extra time ensures everything inside gets cooked.

When the cycle finishes, do not just toss the items on the bed. Put them in sealed bags or bins. This prevents any surviving bugs from re-infesting your clean laundry. If you have to walk through an infested room, the bags protect your clean items.

What About Washing First?

Washing your items before drying is optional. Washing alone will not kill bed bugs. The water temperature is rarely hot enough. Most home washing machines top out around 140°F, but the water cools quickly once clothes are added. Plus, the wash cycle does not last long enough to guarantee a kill.

The dryer is where the real work happens. So if your items are clean, skip the wash and go straight to drying. If they are dirty or smell like sweat, wash them first. Then dry on high heat with the extra 30 minutes. The combination works great, but the dryer is the key step.

What NOT to Put in the Dryer

Not everything can go in the dryer. Some items are too delicate or too large. We found that putting the wrong things in the dryer can cause fires or ruin your belongings. Here is what to keep out.

Never dry shoes, leather items, or anything with plastic components. The high heat can melt or warp these materials. Dry cleaning only items should also stay out. The heat can shrink or damage them beyond repair. Check the care tags on everything before you toss it in.

For items that cannot go in the dryer, you have other options. You can seal them in plastic bags and leave them for several months. Bed bugs will eventually starve. Or you can use a handheld steam cleaner on them. Steam at 130°F or hotter will kill bed bugs on contact.

Does the Dryer Kill Bed Bugs on Mattresses?

Your dryer can only treat items that fit inside it. That means mattresses, box springs, and upholstered furniture are off the table. You cannot dry a mattress. But you can still treat these large items with heat in other ways.

A handheld steam cleaner works wonders on mattresses. The steam gets into seams and tufts where bed bugs hide. Use a slow, sweeping motion to cover the entire surface. Many experts recommend steaming the mattress edges, tufts, and any rips or tears. The steam kills bugs and eggs on contact.

After steaming, let the mattress dry completely. Then encase it in a bed bug proof mattress cover. These covers zip shut and trap any surviving bugs inside. Trapped bugs eventually die, and new bugs cannot get in. This two-step method works very well alongside your dryer treatment.

Creating a Full Treatment Plan

Your dryer is just one tool in your bed bug arsenal. For a full infestation, you need a broader approach. We found that combining dryer treatment with other methods gives the best results. Here is a simple plan that works.

Start by drying all your bedding and clothes. Then vacuum your mattress, box spring, and the floor around your bed. Pay special attention to seams and cracks. Empty the vacuum bag or canister into a sealed plastic bag and throw it away outside. This removes any bugs and eggs the vacuum picked up.

Next, steam the mattress and furniture. Then apply a bed bug spray or powder to cracks and baseboards. Many effective products are available over the counter. Look for ones with pyrethrins or diatomaceous earth. These are proven to work against bed bugs.

How Long Do Bed Bugs Survive in the Dryer?

Bed bugs cannot survive a full dryer cycle. We found that even short exposure to high heat is deadly. But the exact survival time depends on the temperature inside the drum. Here is what the research shows.

Temperature	Time to Kill Adults	Time to Kill Eggs
113°F (45°C)	90 minutes	Several hours
118°F (48°C)	20 minutes	60 minutes
122°F (50°C)	10 minutes	20 minutes
125°F (52°C)	5 minutes	10 minutes

Your dryer on high heat easily reaches 125°F or more. That means adult bugs die in about five minutes. Eggs take about ten minutes. Running a full cycle plus 30 extra minutes gives you a massive safety margin. There is no way anything survives that long at those temperatures.

Common Mistakes to Avoid

We see people make the same mistakes over and over. These errors mean the dryer does not work as well as it should. Avoid these pitfalls to get a clean kill every time.

The biggest mistake is overloading the dryer. When you stuff it full, air cannot circulate. Cold spots form in the middle. Bed bugs hiding in the center of the pile survive. Always dry small loads. It might take more time, but it actually works.

Another mistake is using a low or medium heat setting. Some fabrics require lower heat, but for bed bugs you need high heat. If an item cannot handle high heat, do not use the dryer for that item. Use a different method instead.

Finally, many people forget to bag the clean items. They pull everything out of the dryer and put it right back on the bed. If any bugs are still in the room, they crawl right back onto the clean sheets. Always bag your clean laundry before leaving the laundry area.

Signs the Treatment Worked

How do you know if your dryer treatment worked? Look for signs of bed bug activity in the days after treatment. Here is a quick checklist to monitor your progress:

No new bites on your skin in the mornings.
No small blood spots on your sheets or pillowcases.
No dark fecal stains on your mattress seams.
No shed skins or egg casings in the seams.
No live bugs found during a flashlight inspection.
No musty, sweet odor in your bedroom.

If you still see signs after a week, repeat the treatment. It may take two or three rounds to fully break the cycle. Bed bug eggs can hatch over several days. Newly hatched bugs need to be killed too. Stay consistent and you will win the battle.

When to Call a Professional

Sometimes a dryer alone is not enough. If you have a severe infestation, you may need professional help. We found that widespread infestations require a more aggressive approach. Pest control pros use commercial heaters and specialized chemicals to treat entire rooms.

If you have tried the dryer method and still see bugs after two weeks, call a pro. Also call if you find bed bugs in multiple rooms. A pro can treat your whole home at once. This is faster and more thorough than trying to do it yourself.

Professional heat treatments raise room temperatures to 120°F or higher for several hours. This kills bugs in places you cannot reach. The cost is worth it if you have a large infestation. Many pest control companies also offer warranties and follow-up visits.

Your dryer is a powerful weapon. Use it as part of a complete strategy. Combine it with vacuuming, steaming, and professional help when needed. You can beat these pests and take your home back.

Conclusion

Your clothes dryer is one of the best bed bug tools you already own. High heat above 120°F kills every life stage, including eggs, in a single cycle. The secret is simple: small loads, high heat, and at least 30 extra minutes after things are dry.

Remember to pair your dryer with other steps. Vacuum, steam, and seal your clean items in plastic bags. If you see bugs after two weeks, call a pro. You do not have to live with these pests. Start with your laundry today and keep at it.

Frequently Asked Questions

Can bed bugs survive a dryer cycle?

No. Bed bugs cannot survive a full cycle on high heat. The drum reaches temperatures above 125°F, which kills adults in about five minutes and eggs in about ten. Running an extra 30 minutes after drying gives you a big safety margin.

Will washing clothes kill bed bugs before drying?

Washing alone will not kill bed bugs. Home wash cycles use water that cools too fast and do not last long enough. Use your dryer on high heat as the main killer. Washing first is fine for dirty clothes, but the dryer does the real work.

How do I keep bed bugs off clean clothes after drying?

Pull items out of the dryer and place them straight into clean plastic bags. Seal the bags tightly before you carry them through any room that might have bugs. Do not set clean clothes on the bed or couch until you have treated the whole room.

Is it safe to dry bed bug infested clothes with regular laundry?

It is better to dry infested items separately. Mixing them with clean clothes makes the load bigger. Bigger loads trap cold spots where bed bugs can survive. Keep infested loads small and give them the full high-heat treatment.

Can I use a dryer sheet or fabric softener to kill bed bugs?

No. Dryer sheets do not kill bed bugs. They only add scent and reduce static. Heat is the only thing that works in your dryer. Skip the extra products and rely on a long, hot cycle to get the job done.