How to Get Rid of Bed Bugs From Your Mattress: Step-by-Step Guide

Quick Answer: To get rid of bed bugs from your mattress, strip and wash all bedding on high heat, vacuum the entire mattress with a HEPA vacuum (focusing on seams and tufts), steam clean at temperatures above 71°C (160°F), and install a bed-bug-rated mattress encasement. Repeat the process every 7 to 10 days for three cycles to catch newly hatched nymphs. For severe infestations, hire a licensed pest control professional. Treatment costs in Ontario range from $300 to $1,500 depending on severity and method.

Table of Contents

Finding bed bugs in your mattress is one of the most stressful experiences a homeowner can face. These tiny, persistent pests feed on human blood while you sleep and can turn your bedroom into a nightmare. The good news is that with the right approach, you can eliminate bed bugs from your mattress without necessarily throwing it away.

"I have helped customers through bed bug situations for nearly 40 years," says Brad, owner of Mattress Miracle in Brantford. "The key is acting fast and being thorough. Half-measures do not work with bed bugs. You need a complete plan, and you need to stick with it."

This guide walks you through every step of identifying, removing, and preventing bed bugs on your mattress. Whether you choose a DIY approach or decide to call a professional, you will find the information you need right here.

What Are Bed Bugs?

Bed bugs (Cimex lectularius) are small, flat, oval-shaped insects that feed exclusively on blood. Adult bed bugs are roughly the size of an apple seed (about 5 to 7 mm long) and are reddish-brown in colour. After feeding, their bodies swell and turn a darker red.

These insects are not a sign of poor hygiene or a dirty home. Bed bugs are hitchhikers. They travel on luggage, used furniture, clothing, and even public transit seats. They can infest the cleanest homes and five-star hotels alike. What draws them is warmth, carbon dioxide, and the presence of a sleeping human host.

Bed bugs are nocturnal feeders. They typically emerge between 2 a.m. and 5 a.m., feed for five to ten minutes, and then retreat to their hiding spots. A single female can lay 200 to 500 eggs in her lifetime, which is why infestations can escalate quickly if not addressed.

How to Identify Bed Bugs on Your Mattress

How to Get Rid of Bed Bugs From Your Mattress

Before you begin any treatment, you need to confirm that bed bugs are the problem. Here are the telltale signs to look for:

Warning Signs of Bed Bugs on Your Mattress

  • Live bugs: Small, flat, reddish-brown insects in mattress seams and tufts. Nymphs (juveniles) are smaller and nearly translucent until they feed.
  • Shed skins: As bed bugs grow, they moult five times before reaching adulthood. Look for pale, translucent exoskeletons along seams.
  • Fecal spots: Tiny dark brown or black dots (about the size of a pen tip) on mattress fabric, sheets, or pillowcases. These are digested blood.
  • Blood stains: Small rust-coloured smears on your sheets, often caused by accidentally crushing a fed bug while sleeping.
  • Eggs: Tiny (about 1 mm), white, oval-shaped eggs tucked into seams and crevices. They are often stuck to surfaces with a sticky adhesive.
  • Bite marks: Red, itchy welts on exposed skin, often appearing in clusters or lines of three (sometimes called "breakfast, lunch, and dinner").
  • Musty odour: A heavy infestation can produce a sweet, musty smell from the bugs' scent glands.

If you notice bed bug mattress stains on your bedding or mattress surface, that is a strong indicator that you have an active infestation and need to take action immediately.

Where Bed Bugs Hide in Your Mattress

Bed bugs are experts at concealment. Their flat bodies allow them to squeeze into incredibly tight spaces. When inspecting your mattress, pay special attention to these areas:

  • Piping and seams: The rolled edges along the top and bottom of your mattress are the number one hiding spot.
  • Tufts and buttons: If your mattress has decorative tufting, bugs will hide underneath and around each tuft.
  • Handles and air vents: The recessed areas around handles and ventilation holes provide perfect cover.
  • Labels and tags: Bed bugs often gather behind mattress tags and care labels.
  • Tears and holes: Any opening in the mattress fabric gives bugs access to the interior, where they are much harder to reach.
  • Box spring: The underside of the box spring, particularly where the fabric is stapled to the frame, is a favourite hiding spot.
  • Bed frame joints: Where wooden or metal frame pieces connect, bed bugs will wedge themselves into gaps.
  • Headboard: The back of the headboard and any mounting hardware provide additional harbourage.

Bed bugs typically stay within 2.5 metres (about 8 feet) of their host, so most of the population will be concentrated in and around the bed. However, severe infestations can spread to baseboards, electrical outlets, nightstands, and even behind picture frames.

Step-by-Step Bed Bug Removal Process

Follow these eight steps carefully to remove bed bugs from your mattress. Consistency and thoroughness are critical. Skipping steps or cutting corners will allow the infestation to persist.

Step 1: Strip and Bag All Bedding

Remove all sheets, pillowcases, mattress pads, blankets, and duvet covers. Place them directly into sealed garbage bags at the bedside. Do not carry loose bedding through the house, as this can spread bugs to other rooms. Transport the sealed bags straight to your washing machine. Wash everything on the hottest setting your fabrics allow and dry on high heat for at least 30 minutes. Bed bugs and their eggs die at temperatures above 49°C (120°F).

Step 2: Inspect the Mattress Thoroughly

Use a bright flashlight and examine every seam, tuft, piping edge, handle, vent, and corner of your mattress. Check both sides. Use a credit card or stiff brush to scrape along seams and dislodge hidden bugs. Also inspect the box spring (especially the underside where fabric meets the frame), bed frame joints, headboard, and nearby furniture.

Step 3: Vacuum the Entire Mattress

Using a vacuum with a HEPA filter, thoroughly vacuum the top, bottom, and all sides of the mattress. Use the crevice attachment to get deep into seams, tufts, and edges. Vacuum the box spring, bed frame, headboard, and the floor around the bed (including under the bed). When finished, remove the vacuum bag or empty the canister into a sealed garbage bag and dispose of it in an outdoor bin immediately. If you use a bagless vacuum, wash the canister with hot soapy water.

Step 4: Steam Clean the Mattress

Steam is one of the most effective bed bug killers because it penetrates fabric and kills bugs at all life stages, including eggs. Set your steam cleaner to the highest temperature and move the nozzle slowly across the mattress surface at about 2.5 cm (1 inch) per second. Focus on seams, tufts, and edges. The steam must reach at least 71°C (160°F) at the fabric surface to kill bed bugs on contact. Keep the nozzle close to the surface but avoid soaking the mattress, as excess moisture can lead to mould. Allow the mattress to dry completely before the next step.

Step 5: Apply a Bed Bug Spray (Optional)

If you choose to use a chemical treatment, select a product registered with Health Canada's Pest Management Regulatory Agency (PMRA). Common active ingredients approved for indoor bed bug treatment in Canada include pyrethrins, pyrethroids, and diatomaceous earth (food grade). Apply the spray to mattress seams, the bed frame, and the headboard according to label directions. Do not soak the mattress. Ensure proper ventilation and keep children and pets away until the product is completely dry.

Step 6: Encase the Mattress and Box Spring

Once the mattress is completely dry, install a bed-bug-rated encasement. The encasement must be specifically labelled for bed bugs (not just allergens) and should feature a bite-proof zipper with micro-teeth, reinforced seams, and a secure zipper lock. Encase both the mattress and the box spring. Leave these encasements on for at least 12 to 18 months. Any bugs trapped inside will eventually starve to death, as bed bugs can survive up to 12 months without a blood meal.

Step 7: Install Bed Bug Interceptors

Place interceptor cups (also called climb-up traps) under each leg of your bed frame. These small plastic traps have a textured outer wall that bugs can climb and a slick inner wall they cannot escape. They catch bed bugs travelling from the floor to your bed. Check the interceptors weekly and clean them out. They also serve as an excellent monitoring tool to gauge whether the infestation is declining.

Step 8: Repeat Treatment and Monitor

Repeat the vacuuming and steam-cleaning process every 7 to 10 days for at least three full cycles. This schedule is critical because bed bug eggs hatch in 6 to 10 days. Repeating treatment catches newly hatched nymphs before they can mature and reproduce. Continue monitoring interceptor cups and inspecting mattress seams for at least 60 days after the last sign of activity. If you still see live bugs after three treatment rounds, contact a licensed pest control professional.

Bed Bug Removal Methods Compared

Each treatment method has strengths and limitations. The most effective approach typically combines several methods. Here is how they compare:

Method Effectiveness Estimated Cost (CAD) Time to See Results Best For
Vacuuming Moderate (removes visible bugs, not eggs) $0 (if you own a vacuum) Immediate removal of live bugs First response; ongoing maintenance
Steam Cleaning High (kills all life stages on contact) $50 to $150 (rental) or $100 to $300 (purchase) Immediate kill on contact Surface and seam treatment; chemical-free option
Mattress Encasement High (traps and starves existing bugs) $30 to $80 per encasement 12 to 18 months to starve trapped bugs Long-term containment and prevention
Chemical Spray (PMRA-registered) Moderate to High (depends on resistance) $15 to $50 per product 1 to 4 weeks with repeat applications Supplementing physical methods
Professional Heat Treatment Very High (whole-room lethal temperatures) $800 to $1,500 per room 1 day (single treatment often sufficient) Severe infestations; fastest resolution
Professional Chemical Treatment High (professional-grade products) $300 to $800 per treatment 2 to 6 weeks with follow-ups Moderate infestations; budget-conscious option

Professional Extermination vs. DIY Treatment

Deciding between DIY and professional treatment depends on the severity of the infestation, your budget, and your comfort level with the process.

When DIY Treatment May Be Enough

  • You caught the infestation early (a few bugs, limited to the mattress area)
  • Bugs are confined to one room
  • You are willing to commit to three or more treatment cycles over several weeks
  • You can access a steam cleaner and quality encasements

When to Call a Professional

  • The infestation has spread to multiple rooms
  • You have completed three DIY treatment cycles and still see live bugs
  • You are dealing with a multi-unit building where bugs may be migrating from neighbouring units
  • You have health concerns (allergic reactions to bites, respiratory issues that limit chemical use)
  • You want the fastest possible resolution

In Ontario, licensed pest control operators must hold a valid licence issued by the Ministry of the Environment, Conservation and Parks. Always ask to see a technician's licence before allowing them to treat your home. A reputable exterminator will provide a written treatment plan, explain what products they will use, and schedule follow-up inspections.

"I always tell customers to get at least two quotes," says Brad. "A good exterminator will do a thorough inspection before giving you a price. If someone quotes you over the phone without seeing your home, that is a red flag."

Mattress Encasements Explained

A mattress encasement is one of the most valuable tools in your bed bug defence strategy. Unlike a standard mattress protector, a true bed bug encasement completely encloses the mattress on all six sides with a sealed zipper.

Here is what to look for in a bed-bug-rated encasement:

  • Full enclosure: The encasement must wrap around the entire mattress, not just the top and sides like a fitted sheet-style protector.
  • Bug-proof zipper: Look for micro-teeth zippers with a gap no larger than 0.5 mm. Some encasements include a zipper lock or Velcro flap over the zipper end.
  • Bite-proof fabric: The material must be tight-woven enough that bed bugs cannot bite through it to feed on you through the encasement.
  • Tear-resistant construction: Reinforced seams prevent bugs from escaping through stitching holes.
  • Breathable material: While it must block bugs, the encasement should still allow air circulation to prevent heat buildup and moisture accumulation.

A quality encasement serves two purposes. First, it traps any existing bugs inside the mattress, where they will eventually die of starvation (this can take up to 12 months). Second, it creates a smooth, light-coloured surface that makes future inspections much easier because there are no seams or tufts for bugs to hide in.

Pair your mattress encasement with a protective mattress cover over top for added comfort and to protect the encasement from damage.

When to Throw Out Your Mattress

In most cases, you do not need to throw out a mattress because of bed bugs. Proper treatment and encasement can save the vast majority of mattresses. However, there are situations where replacement makes more sense:

Consider Replacing Your Mattress If:

  • The mattress is already more than 8 to 10 years old and showing signs of wear (sagging, lumps, reduced support)
  • There are significant tears or holes in the mattress fabric that allow bugs to burrow deep inside where steam and vacuum cannot reach
  • The infestation is extremely severe and the mattress interior is heavily contaminated
  • You have been through multiple professional treatments and the mattress continues to harbour bugs
  • The mattress has developed mould or mildew from repeated steam treatments

If you do need to dispose of a bed-bug-infested mattress, wrap it completely in plastic sheeting and tape it shut before moving it through your home. Mark it clearly as infested so that no one picks it up for reuse. In Brantford and many Ontario municipalities, you can arrange for bulky item pickup through your local waste management service.

"When a customer does need a new mattress after a bed bug situation, I always recommend pairing it with a proper encasement and protector from day one," says Brad. "It is the best insurance policy for your new investment."

Understanding the Bed Bug Lifecycle

Understanding the bed bug lifecycle explains why repeated treatments are necessary and why patience is essential.

Bed Bug Lifecycle Stages

  • Egg: Tiny (1 mm), white, and sticky. Laid in clusters of 10 to 50 in hidden crevices. Eggs hatch in 6 to 10 days at room temperature.
  • Nymph (5 instars): Newly hatched nymphs are nearly colourless and about 1.5 mm long. They must feed once between each of their five moults. The nymph stage lasts about 5 weeks under favourable conditions.
  • Adult: Fully grown adults are 5 to 7 mm, reddish-brown, and flat (when unfed). Adults can live 6 to 12 months. A female lays 1 to 5 eggs per day after feeding.

The entire lifecycle from egg to adult takes approximately 5 to 8 weeks under ideal conditions (room temperature, regular access to a host). This is why treating every 7 to 10 days for at least three cycles is so important. Each treatment round targets nymphs that have hatched since the previous treatment, breaking the reproductive cycle before they can mature and lay new eggs.

Bed bugs can also enter a state of semi-dormancy when conditions are unfavourable (no host, cold temperatures). In this state, they can survive for months without feeding, which is why encasements need to stay in place for at least 12 months.

Cost of Bed Bug Treatment in Ontario

Treatment costs vary significantly depending on the method, the severity of the infestation, and the size of the affected area. Here is what you can expect to pay in Ontario:

Treatment Type Cost Range (CAD) What Is Included
DIY (vacuum + steam + encasement) $80 to $350 Steam cleaner rental, encasements, interceptors, spray
Professional chemical treatment (per room) $300 to $800 Initial treatment plus 1 to 2 follow-up visits
Professional heat treatment (per room) $800 to $1,500 Whole-room heating to lethal temperature; usually one visit
Whole-home treatment (chemical) $1,000 to $3,000 Multiple rooms, follow-up inspections
Whole-home treatment (heat) $2,000 to $5,000 Entire home heated; most thorough single-session option

Many Ontario pest control companies offer payment plans for larger treatments. Some home insurance policies may cover bed bug treatment, but this is uncommon. Check with your insurer. If you are a tenant, Ontario's Residential Tenancies Act generally places the responsibility for pest control on the landlord, provided the infestation was not caused by the tenant's negligence.

Canadian Pest Control Regulations

Bed bug treatment in Canada is regulated at both the federal and provincial levels. Understanding these regulations helps you choose safe, legal treatment options.

Federal Regulations (Health Canada / PMRA)

  • All pest control products sold or used in Canada must be registered with Health Canada's Pest Management Regulatory Agency (PMRA) under the Pest Control Products Act.
  • Registered products carry a Pest Control Products (PCP) registration number on the label.
  • Only products specifically labelled for bed bugs and indoor use should be applied to mattresses and bedroom furniture.
  • Some products available in the United States are not approved for use in Canada. Do not purchase pest control products from across the border without checking their PMRA registration status.

Ontario Provincial Regulations

  • Professional pest control operators must be licensed by the Ministry of the Environment, Conservation and Parks under the Pesticides Act.
  • Technicians must hold a valid Structural Exterminator licence to perform treatments in residential settings.
  • Landlords are required to address pest infestations in rental properties under the Residential Tenancies Act, 2006.
  • Municipalities may have additional by-laws regarding pest management and mattress disposal.

When purchasing DIY products, always check for the PMRA registration number (also called the PCP number) on the label. Products without this number are not legally approved for sale in Canada and may be ineffective or unsafe.

Prevention Strategies

Once you have eliminated bed bugs from your mattress, or if you want to avoid an infestation altogether, these prevention strategies will help keep your bedroom bug-free.

At Home

  • Use a mattress encasement: Keep a bed-bug-rated encasement on your mattress and box spring at all times, even if you have never had bed bugs.
  • Install interceptors: Keep interceptor cups under your bed legs as a permanent early-warning system.
  • Reduce clutter: Bed bugs thrive in cluttered environments because clutter provides more hiding spots. Keep the area around your bed clear.
  • Inspect secondhand furniture: Never bring used furniture into your home without a thorough inspection. Pay special attention to seams, joints, and upholstered surfaces.
  • Vacuum regularly: Weekly vacuuming of your mattress, box spring, and the area around your bed reduces the chance of a small introduction becoming a full infestation.
  • Seal entry points: Caulk cracks in baseboards, around electrical outlets, and along pipe entry points to reduce hiding spots and migration paths.

When Travelling

  • Inspect hotel beds: Pull back the sheets and check mattress seams, the headboard, and the luggage rack before settling in.
  • Keep luggage off the floor: Use the luggage rack or place your suitcase in the bathtub (bed bugs rarely inhabit bathrooms).
  • Bag your clothes: Keep worn clothing in sealed plastic bags inside your suitcase.
  • Wash everything upon return: When you get home, wash and dry all clothing from your trip on the highest heat setting, regardless of whether you wore it.
  • Inspect luggage outside: Before bringing your suitcase indoors, inspect it in your garage or on your porch. Vacuum it thoroughly if possible.

How to Protect a New Mattress

Whether you are replacing a mattress after a bed bug infestation or simply buying a new one, protection from day one is the smartest investment you can make.

  • Encasement first: Install a bed-bug-rated encasement before you even put sheets on your new mattress.
  • Add a protector: Layer a mattress protector over the encasement for added waterproof protection and comfort. This also extends the life of the encasement by reducing wear.
  • Interceptors from the start: Install bed bug interceptor cups under your bed frame legs immediately. Even if you have no current infestation, they serve as an early detection system.
  • Regular inspection schedule: Check your mattress seams and interceptors monthly as part of your routine.
  • Protect the box spring too: Do not forget to encase your box spring. It actually provides more hiding spots for bed bugs than the mattress itself.

"A new mattress is a significant purchase," says Brad. "Spending an extra $50 to $100 on proper protection is nothing compared to what you would spend dealing with another infestation. Think of it as insurance for your sleep."

Frequently Asked Questions

Can bed bugs live inside a mattress?

Yes. Bed bugs can burrow into the seams, piping, tufts, and even inside small tears in mattress fabric. They prefer tight, dark spaces close to their food source, which is you. A mattress encasement traps them inside and prevents new bugs from entering.

How long does it take to get rid of bed bugs from a mattress?

A mild infestation can be resolved in two to four weeks with consistent DIY treatment. Moderate to severe infestations typically require professional treatment and may take six to eight weeks for complete elimination, including follow-up inspections.

Do mattress encasements really work against bed bugs?

Yes. A high-quality, bed-bug-rated encasement with a secure zipper will trap existing bugs inside the mattress (where they will eventually starve) and prevent new bugs from colonizing the mattress. The encasement must stay on for at least 12 months because bed bugs can survive up to a year without feeding.

Should I throw out my mattress if it has bed bugs?

Not necessarily. Most mattresses can be treated and saved using a combination of vacuuming, steam cleaning, and encasements. You should consider replacing your mattress only if it is heavily infested and structurally damaged, or if it is already old and worn out. A new mattress paired with a protector is a fresh start.

Are bed bug treatments safe for children and pets?

Heat treatments (steam cleaning) and physical methods (vacuuming, encasements) are completely safe. Chemical treatments should be used with caution. In Canada, only products registered with Health Canada's Pest Management Regulatory Agency (PMRA) are approved for indoor use. Always follow label directions and keep children and pets away from treated areas until the product has dried completely.

Need Help With a Bed Bug Situation?

Mattress Miracle has been helping Brantford families sleep better since 1997. Whether you need a new mattress, a protective encasement, or expert advice on dealing with bed bugs, Brad and the team are here to help.

Visit us: 30 Roy Blvd, Unit 7, Brantford, ON N3R 7K1

Call us: (519) 753-0220

Hours: Monday to Friday 10 a.m. to 6 p.m. | Saturday 10 a.m. to 5 p.m.

Sources

  1. Health Canada. "Bed Bugs: How to Manage Them and Reduce the Risk of an Infestation." Government of Canada, canada.ca.
  2. U.S. Environmental Protection Agency. "Do-it-yourself Bed Bug Control." EPA, epa.gov.
  3. Ontario Ministry of the Environment, Conservation and Parks. "Pesticides: Licensing Requirements." Government of Ontario, ontario.ca.
  4. Potter, Michael F. "Bed Bugs." University of Kentucky College of Agriculture, Food and Environment, ca.uky.edu.
  5. Canadian Pest Management Regulatory Agency. "Pest Control Products Act." Government of Canada, justice.gc.ca.

Brad, Owner, 40+ years of experience: "Every customer's situation is different. We have been helping Brantford families find the right mattress for over 37 years, and we are always happy to answer questions in person at our showroom on West Street."

8 min read

Visit Our Brantford Showroom

We are located at 441 1/2 West Street in downtown Brantford. Free parking available. Our team does not work on commission, so you get honest advice based on your needs.

Mattress Miracle -- 441 1/2 West Street, Brantford, ON -- (519) 770-0001

Hours: Monday-Wednesday 10am-6pm, Thursday-Friday 10am-7pm, Saturday 10am-5pm, Sunday 12pm-4pm.

Come in and let our team help you find the right mattress for your needs. No pressure, no commission.

Get Directions to Mattress Miracle

Shop This Topic at Mattress Miracle

Popular picks at Mattress Miracle:

Or browse the mattress collection in our Brantford showroom.

Find Your Perfect Mattress at Mattress Miracle

We are a family-owned mattress store in Brantford, helping our community sleep better since 1997. Come try mattresses in person and get honest, no-pressure advice.

441 1/2 West Street, Brantford, Ontario

Call 519-770-0001

Written by , Content Specialist at Mattress Miracle. Topical expertise sourced from Brad Grose (founder, 1997), Talia Grose (sleep specialist), and Dorothy Balicki (40+ years industry).

Back to blog