Bed bugs start to die off once temperatures climb past roughly 50 degrees Celsius (122 F), though their eggs hold on until about 54.8 degrees Celsius. Whole-room heat treatments typically hold the air at 140 F for two hours, or 130 F for three hours, giving heat time to work into every seam and crack.
How Much Heat Kills Bed Bugs? The Short Answer
Bed bugs reach their thermal limit around 50 degrees Celsius, and the steam used in professional jobs runs at 100 degrees Celsius or higher, far past that mark. The real difficulty is that hitting one hot spot isn't the same as heating an entire room evenly. Bed bugs tuck themselves into mattress seams, furniture joints, baseboards, outlets, and wall voids, so the real question isn't whether heat kills them, it's whether that heat can actually penetrate every one of those hiding spots for long enough to finish the job.
What Heat Temperature Kills Bed Bugs at Every Life Stage?
Lab testing on bed bug heat resistance shows adults hit 99 percent mortality at 48.3 degrees Celsius, while eggs require 54.8 degrees Celsius to reach the same kill rate. Eggs are consistently the hardest stage to eliminate with heat alone. Held at a steady 45 degrees Celsius, adults died off within about 95 minutes, but eggs took roughly 7 hours at that same temperature. That gap explains why egg survival, rather than adult survival, is the real benchmark for a complete heat kill.
Separately, extension research identifies 131 F as the point at which every bed bug life stage dies, a figure that tracks closely with the lab numbers above once you account for exposure time.
| What It Kills | Typical Duration | Main Limitation | |
|---|---|---|---|
| Whole-room heat treatment | All stages, including eggs, if the room reaches 130-140 F throughout | 2 to 4 hours per room | Insulation and clutter can leave cold spots where bed bugs survive |
| Clothes dryer or hot wash | Bed bugs and eggs on items placed directly in the heat | 20 to 30 minutes on a hot setting | Only treats what fits in the machine, not furniture or walls |
| Steam treatment | Bed bugs and eggs the steam head directly contacts | Varies with the size of the infested area | Only kills what it touches; must be paired with a full treatment |
| Chemical residual treatment | Newly hatched nymphs that cross the treated surface for weeks afterward | Active for roughly 90 days | Does not kill eggs already laid deep in voids on contact |
How Much Heat Is Needed for a Bed Bug Heat Treatment?
A commercial whole-room treatment generally aims for 140 F sustained over two hours, or 130 F sustained over three hours, across the full treated area. In practice, commercial setups usually target 45 to 52 degrees Celsius throughout the space, though specific areas can run hotter or cooler depending on airflow and what's in the room. Heat treatment is a specialized, equipment-intensive service that AstraHive does not offer. When it is used, success hinges on distributing heat evenly, which proves far trickier in a furnished room than it might seem.
Eggs demand both a hotter temperature and a far longer exposure window than adults. A treatment that briefly spikes the room's air temperature without maintaining it can wipe out visible adults while leaving eggs completely unharmed.
Why Heat Treatments Can Fail: Cold Spots and Insulation
Mattresses, upholstered furniture, piles of clothing, and even wall framing all take time to heat through. That thermal mass, combined with insulation in walls and cushioning in furniture, can leave cold spots where the air never actually gets hot enough, long enough, to kill eggs buried deep in a seam or void. Clutter makes the problem worse, since it both shields bed bugs from heat and gives them extra places to escape to as the room warms. This is also why a single space heater placed in a room can't substitute for a properly monitored, whole-room heat treatment.
How Heat Kills Bed Bugs: The Temperature Progression
45°C (113°F)
Held steady at 45 degrees Celsius, adult bed bugs hit 99 percent mortality in about 95 minutes, while eggs need roughly 7 hours of the same constant heat.
48.3°C (119°F)
Lab testing pinpoints this as the temperature where adult bed bugs reach 99 percent mortality, making it a key threshold for killing adults.
54.8°C (130.6°F)
Eggs, the hardest life stage to eliminate with heat, reach 99 percent mortality at this temperature, which is why egg survival sets the true bar for any heat treatment.
130-140°F Room Air
Professional whole-room treatments hold air in this range for two to three hours, giving heat enough time to penetrate mattresses, furniture, and wall voids rather than just warming the open air.
Does Heat Kill Bed Bugs Better Than a Chemical Treatment?
Different approaches to pest elimination rely on distinct mechanisms, each with particular challenges. Physical heat must make direct contact with target insects and maintain temperatures high enough to be lethal; achieving this proves difficult in spaces with multiple hiding spots or inadequate insulation. Chemical treatments function through a different pathway, creating residual barriers that continue eliminating insects as they travel across treated areas, which permits ongoing destruction of newly emerged young insects throughout several weeks following application. Steam functions exclusively through immediate contact with insects, requiring careful technique where the applicator moves the steam tool methodically across all crevices, seams, joints, and springs rather than rushing through the affected area.
Neither method works as a one-and-done fix. What actually resolves an infestation is combining physical control, washing bedding, vacuuming, and fitting mattress encasements, with ongoing prevention and either a chemical or heat treatment. Whether any single DIY method succeeds, heat included, depends on how large the infestation is, how much clutter bed bugs can hide in, and whether everyone in the home or building cooperates at the same time.
Can a Clothes Dryer or Hot Wash Kill Bed Bugs?
Running clothing or bedding in a dryer above 122 F for 20 minutes kills bed bugs at every life stage, eggs included. It's also recommended to run bedding and pillows through a hot dryer cycle for at least 30 minutes before a professional visit as a prep step. That makes the dryer a genuinely useful tool, but strictly for whatever fits inside it. A hot wash or dryer cycle won't touch bed bugs hiding in a mattress seam, baseboard, wall void, or furniture joint, which is why laundering counts as preparation, not treatment.
What a Professional Bed Bug Treatment Involves
A professional job starts with a detailed visual inspection of the bed, furniture, and nearby areas before any treatment begins, since bed bugs hide well past the mattress seams. From there, the process generally runs through five stages: inspection, preparation, treatment, follow-up visits, and post-treatment monitoring. Bringing in a professional as soon as an infestation is confirmed is the recommended path, since DIY efforts, heat included, often fall short of full elimination on their own.
What to Expect After a Bed Bug Treatment
Bed bug eggs hatch in about 10 to 15 days at room temperature, faster in warmer conditions, so spotting the occasional live bug for several weeks after treatment is normal while previously laid eggs continue to hatch. Track progress by watching the number of live bed bugs drop over time, not by bite marks, since skin reactions can take a day or more to show up and linger regardless of how well the treatment is working.
How AstraHive Pest Control gets rid of bed bugs
Bed bugs hide in seams, joints, box spring frames, plumbing voids, wall voids and behind electrical outlets, so every treatment starts with a careful inspection. We offer two treatments and choose between them by situation: Aprehend is our first choice for homes where people live and sleep and for severe infestations, and the standard chemical treatment is the right choice for Airbnbs, hotel rooms and vacant units.
How an AstraHive bed bugs treatment works
Inspect and confirm
We inspect the bed, furniture seams, baseboards, outlets and surrounding areas, confirm the insect and tell you which treatment fits, with the preparation list for that treatment.
Aprehend: for homes where people live and sleep
Aprehend is our premium bed bug treatment, a biopesticide built on a naturally occurring fungus. We apply it with a dedicated machine as a continuous band along baseboards, bed frames, box springs and the pathways bed bugs travel, and we put Drione dust into wall voids and outlets. Bed bugs pick up the spores as they cross the barrier and carry them back to the colony, where the fungus reaches the bugs a spray cannot, including pyrethroid-resistant bed bugs. It takes real knowledge to apply well, so only our experienced, trained technicians do it. Preparation is light: strip the beds, move them a little away from the walls and clear under the bed.
Standard chemical treatment: for empty units
For Airbnbs, hotel rooms and vacant units we take the bed apart, steam every seam and joint, vacuum with a HEPA vacuum, apply a residual spray (Temprid SC, which combines two active ingredients) according to its label, which stays active for about 90 days, and put Drione dust into wall voids and outlets. Nobody, pets included, stays inside during the treatment or for at least 6 hours afterwards, and the preparation is thorough, so it suits spaces nobody is living in. Mattress encasements are available as an optional extra.
Follow up 4 to 6 weeks later
We return 4 to 6 weeks after treatment to check the results and re-treat where needed. It is normal to still see live bed bugs for up to about 6 weeks, because bed bugs spread slowly, hide well and eggs laid before treatment keep hatching. If you still see live bed bugs after 6 weeks, call us.
Document everything and back it with a 90-day warranty
Where we found bed bugs, what we found and every product used goes in the service report. If bed bugs come back within 90 days, we re-treat at no charge.
Our products are Health Canada approved and safe for kids and pets, and we apply every product according to its label. AstraHive is licensed by the Ontario Ministry of the Environment, Conservation and Parks. Ontario requires a ministry-approved certification course before it issues an exterminator licence, and that training is delivered through the University of Guelph, Ridgetown Campus.
We choose one treatment per home, so you only prepare once. The two are not steps in one job: the standard residual spray is water-based, and water or steam deactivates Aprehend, so surfaces treated with Aprehend should not be wiped, mopped or steamed afterwards. In our experience live bed bugs drop in stages after Aprehend, roughly 50 to 55 percent fewer by week 3, 80 to 85 percent fewer by week 4 and 90 to 95 percent fewer by weeks 5 to 6. These figures are our own experience, not from the product label, and results vary.
In condos and apartments, neighbouring units and the building manager should be told early, because bed bugs travel through shared walls, ducts and plumbing chases.
Typical cost: Starting at $450 CAD, with final cost depending on property size and severity of infestation - there is no fixed upper limit. Call 905-925-8427 for an exact free quote.
Why Choose AstraHive
- Licensed & Insured: Certified by the Ontario Ministry of Environment, Conservation and Parks.
- Fast response: Same-day service available, with a callback within 5 minutes.
- 90-Day Warranty: If pests come back within that window, we re-treat at no additional charge.
- Proven track record: 5.0 stars on Google across 200+ reviews.
- Family & pet safe: Health Canada approved products on every job.
Frequently Asked Questions
How much heat kills bed bugs?
Bed bugs begin dying off around 50 degrees Celsius, but killing every stage reliably, eggs included, takes closer to 54.8 degrees Celsius sustained over several hours. That's why whole-room heat treatments hold 130 to 140 F for two to three hours instead of relying on a brief temperature spike.
What temperature kills bed bug eggs?
Bed bug eggs hit 99 percent mortality at 54.8 degrees Celsius, well above the 48.3 degrees Celsius that does the job for adults. At a lower steady temperature of 45 degrees Celsius, eggs can take around 7 hours to die, versus roughly 95 minutes for adults.
Can a hair dryer or space heater kill bed bugs?
A hair dryer or space heater can't reliably kill bed bugs because neither can maintain a high enough temperature evenly across a room, or deep inside furniture and walls, for the time needed. Bed bugs in cooler spots simply retreat from a localized heat source instead of dying.
Does heat kill bed bugs in a mattress?
Heat can kill bed bugs and eggs inside a mattress, but only if the core actually reaches a lethal temperature and holds it, which is harder than expected given how much the padding insulates the interior. That's one reason an infested but otherwise sound mattress often gets steamed and encased rather than heat treated or thrown out.
Is heat treatment better than a chemical treatment for bed bugs?
Neither option is fully reliable on its own: heat treatment struggles against cold spots in furnished rooms, while chemical treatment depends on bed bugs crossing treated surfaces over several weeks. Pairing physical control, prevention, and either a chemical or heat treatment delivers the most consistent outcome.
Sources
- Health Canada: Bedbugs, what are they? — Adult bedbugs up to 10 mm, oval, flat, brown and blood red after feeding; feed on blood while people sleep; a bite can take up to 14 days to appear; bites often on the face, neck, arms, legs and chest; not known to spread disease; eggs are white, about 1 mm, in cracks and crevices.
- Health Canada: Bedbugs, how do I get rid of them? — Bed bugs die at 50 degrees Celsius and steamers used in treatment emit 100 degrees Celsius or hotter; treatment works only when combined with physical control and prevention.
- Ottawa Public Health: Bed Bugs — Bedding and pillows should be placed in the dryer on a hot setting for at least 30 minutes as part of bed bug preparation.
- Ontario.ca: Pesticide licences and permits — Ontario's Ministry of the Environment, Conservation and Parks issues exterminator licences after a ministry-approved certification course, delivered through the University of Guelph, Ridgetown Campus.
- Penn State Extension: Biology, Habitat, and Management of Bed Bugs — 131 F is lethal to all bed bug life stages, and whole-room heat treatments target 140 F for two hours or 130 F for three hours.
- Temperature and Time Requirements for Controlling Bed Bugs under Commercial Heat Treatment Conditions, Insects (2011) — Adult bed bugs reach 99 percent mortality at 48.3 degrees Celsius and eggs at 54.8 degrees Celsius; at 45 degrees Celsius adults need about 95 minutes and eggs about 7 hours; commercial heat treatments generally target 45 to 52 degrees Celsius.
- University of Minnesota Extension: Bed Bugs — Clothes laundered or dried at temperatures hotter than 122 F for 20 minutes kill bed bugs at every life stage, including eggs.
- UC IPM: Bed Bugs (Pest Notes 7454) — Bed bug eggs hatch in about 10 to 15 days at room temperature, and the life cycle is fastest between 70 and 82 degrees Fahrenheit.
Areas We Serve
AstraHive Pest Control proudly serves 75+ communities across the following regions:
- Toronto: Toronto, North York, Scarborough, Etobicoke, East York, York, Leslieville, Lakeview
- Durham Region: Oshawa, Whitby, Ajax, Pickering, Clarington, Bowmanville, Courtice, Newcastle, Port Perry, Brooklin, Uxbridge, Scugog, Brock, Seaton
- York Region: Vaughan, Markham, Richmond Hill, Aurora, Newmarket, Thornhill, Woodbridge, Kleinburg, Maple, Stouffville, Unionville, Keswick, Holland Landing, East Gwillimbury, Georgina, King City, King Township, Nobleton, Berczy Village, Cathedraltown, Commerce Valley, Cornell, Wismer, Whitchurch-Stouffville, Sutton, Schomberg
- Peel Region: Mississauga, Brampton, Caledon, Malton, Port Credit, Streetsville, Meadowvale, Cooksville, Bolton, Palgrave
- Extended Service Area: Peterborough, Lindsay, Port Hope, Barrie, Bradford, Innisfil, Collingwood, Wasaga Beach, Orillia, Burlington, Oakville, Milton, Hamilton, Grimsby, St. Catharines, Welland, Niagara Falls
Don't see your city listed? Call us — we likely cover it.
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