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Extermination BETA
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August 24, 2026

How to Prepare Your Home for Bed Bug Treatment

The technician confirmed bed bugs, the treatment date is booked, and now you are wondering what to do between now and then. Knowing how to prepare for bed bug treatment is not a formality. It largely decides whether the treatment works the first time or has to be repeated. A well-prepared home gives the technician access to every hiding spot. A poorly prepared one leaves eggs behind and drags the problem out for months.

This guide walks through the checklist, room by room, covering what to do and what not to do. One thing to be clear about up front: the exact list always comes from your technician before the visit, and it changes with the method used. What follows explains the reasoning behind each instruction so you can follow it without guessing.

Why do you need to prepare for bed bug treatment at all?

Bed bugs hide in seams, cracks, furniture joints and folds of fabric. Whatever the treatment, insecticide or heat, it has to reach those spots. If a heap of clothes fills the closet floor or the bed is pushed tight against the wall, the product does not get in, the heat does not circulate, and part of the colony survives.

Second reason: eggs are tougher than adults, so the protocol involves two or three visits a few weeks apart. Everything you do between those visits (bags sealed, furniture in place, same bed) stops the survivors from setting up somewhere new. Preparation therefore runs until the last visit, not just until the technician arrives.

Not sure yet that you actually have bed bugs? Start with our article on the signs of bed bugs before you empty every closet for nothing.

What should you avoid doing before the treatment?

These four mistakes make the technician's job hardest.

  • Moving furniture or bags into another room. A mattress dragged down the hallway or a pile of clothes dropped in the kids' room is an infestation that just gained a room. Anything that leaves an infested room gets sealed in a bag first.
  • Throwing out the mattress without asking. In many cases the mattress can be treated and then protected with a bed bug encasement. Tossing it is expensive and solves nothing if the frame and box spring are still infested. If the technician decides it has to go, they will tell you how to wrap it.
  • Using aerosol insecticides or bug bombs. They scatter bed bugs into the walls and neighbouring rooms and interfere with the professional treatment that follows.
  • Deep-cleaning the whole home. Sorting your belongings is useful, but not by carrying them from room to room. Sort in place, one room at a time, with bags within reach.

And keep sleeping in your own bed. If you move to the couch, the bugs follow you to the living room. Staying in the bedroom keeps them where the treatment will be applied.

How should you wash and bag clothes and bedding?

This is the longest and most important part of the prep. Heat kills bed bugs at every stage, eggs included. Cold on the balcony in winter is not reliable: the temperature swings too much, and bed bugs survive several days at a few degrees below zero.

Here is the method that works.

  1. Gather everything made of fabric in the affected rooms: sheets, pillowcases, blankets, mattress pads, curtains, clothes, towels, stuffed animals, throw cushions. Put them straight into plastic bags, in that same room, and tie each bag tight.
  2. Carry the closed bags to the washer, empty them into the machine and immediately drop each empty bag into another sealed bag. Do not reuse it.
  3. Wash in hot water where the fabric allows, then run everything through the dryer on high for at least 30 minutes. The dryer does the killing, not the washer. Clothes that are already clean go straight into the dryer, 30 minutes on the hottest setting.
  4. Store the dry items in fresh bags, sealed, and leave them closed until the whole treatment is over. One bag per category (work clothes, pyjamas, spare bedding) will make life easier.
  5. Label the bags with a marker: "clean" or "to wash". When the bedroom is upside down, you forget which is which fast.

For things that cannot go in the dryer (shoes, handbags, delicate coats, small leather items), ask the technician. Depending on the case, they will treat them directly or tell you to seal them in a bag for a long stretch or put them in the freezer for several days. Do not decide alone: one coat forgotten in an untreated closet can restart the whole infestation.

In a shared laundry room or a laundromat, carry everything in closed bags and do not set anything on the folding tables until it has been through the dryer.

What needs to be done in each room?

The principle is the same everywhere: clear the walls, the bed and the floor, without taking anything out of the room. Here is the detail.

The bedroom

This is where the treatment succeeds or fails. Strip the bed completely, mattress pad included, and bag the bedding as described above. Leave the mattress and box spring bare, on the bed, where they are. The technician needs to flip them and inspect the frame, the headboard and the slats.

Empty the space under the bed entirely: storage boxes, suitcases and shoes are prime hiding spots. Bag their contents and leave the suitcases empty and open in the room so they get treated.

Pull the bed and dressers about 30 cm away from the wall if the technician asks you to (some prefer to do it themselves). Empty the nightstand drawers and leave them open. Take pictures, clocks and posters off the wall near the bed: bed bugs settle behind them.

Closets and dressers

Clear the closet floor completely. Hanging clothes can often stay in place if the closet is not in a heavily infested room, but that call belongs to the technician, not you. When in doubt, everything goes through the dryer and into bags.

Empty the dresser drawers, run the contents through the dryer, and leave the drawers empty and open in the same room. The technician will treat the runners and joints, which are classic harbourages.

The living room and sofas

The sofa is the second most common harbourage, especially if someone naps on it. Remove the cushions, run any washable covers through the dryer, clear everything under and behind the piece, and pull it away from the wall. Pick up whatever is on the floor: magazines, toys, bags, cables. Living room curtains go in the dryer too if the technician asks.

The other rooms

Kitchen, bathroom, entryway, basement: bed bugs are rarer there, but the technician will still want to work along the walls. Clear the baseboards around the full perimeter. In the kitchen and bathroom, put food, dishes, toothbrushes and toiletries away in closed cupboards, and clear the counters.

If you have a finished basement with a bed or a sofa, treat it like a bedroom.

Electronics, books and fragile items

Bed bugs slip into alarm clocks, game consoles, picture frames and books stacked near the bed. Do not take these items out of the room. Group them on a cleared surface (the top of the dresser, for instance) so the technician can inspect them. Some treatments let them stay in place, others require them to be removed or protected: ask.

Important documents, jewellery and medication go into a sealed bag you keep with you.

Found bed bugs and want a date fast? Extermination BETA is based in Brossard and serves Longueuil, Saint-Hubert, Saint-Lambert, Greenfield Park, La Prairie, Chambly and Greater Montreal. Call 514-553-2070 or reach us through the contact page. The first inspection is free, we respond the same day, and the technician sends you the prep list before showing up.

What do you do with pets, aquariums and plants?

Dogs and cats must be out of the home during the application and until the end of the re-entry period the technician gives you. Leave them with a friend or relative for the day. Their bed and toys go through the dryer or stay in place to be treated, depending on the instruction. Do not shut them in a closed room of the home: product and heat travel anyway.

Birds and reptiles are more sensitive than mammals and have to leave as well.

For aquariums, the usual rule is to cover the tank with plastic film and switch off the pump and air filter during the application and the re-entry period, so the product is not drawn into the water. Ask the technician how long to keep everything off. For a heat treatment, the tank often has to leave the room, which takes planning.

Plants can generally stay, except for a heat treatment, where the temperature kills them. In that case, move them out of the room after inspecting the pot and the underside of the saucer.

Who has to leave the home, and for how long?

Everyone leaves during the application, no exceptions. For an insecticide treatment, the re-entry period is most often a few hours after the work is finished, long enough for the product to dry and the rooms to air out. The technician gives you the exact number of hours for the product used, as stated on its label, and it is not negotiable.

Some people need to stay out longer: pregnant women, infants, people with asthma or other respiratory conditions, and elderly or ill people. Tell the technician ahead of time so they can adjust the instruction, and arrange a place to spend the night if needed.

For a heat treatment, the home is off limits for the entire heat-up and hold period, often most of the day. Keep what you need for the day packed in a sealed bag.

When you return, open the windows if the technician recommends it. Do not wash the floors along the walls or the baseboards for the following weeks: that is exactly where the residual product needs to stay to catch the bugs that come out after the visit. Vacuum the middle of the rooms only, and empty the bag or canister outside, into a sealed bag.

What should you do between the first and second visit?

This is where many treatments fall apart. Eggs that were not reached hatch in the days that follow, and the second visit, usually two to three weeks later, exists to kill those young bugs before they lay eggs of their own. In the meantime:

  • Keep the bags sealed. Do not put anything back in dressers or closets until the technician says the treatment is finished. Take out what you need, reseal the bag.
  • Sleep in the same bed. You are the bait that draws the remaining bugs across the treated surfaces. An encasement on the mattress and box spring, if the technician recommends it, makes that role more comfortable.
  • Do not move the furniture the technician positioned, and do not push anything back against the walls.
  • Write down what you see. Seeing a live bug after the first visit is normal. Note the date, the room and the spot, and hand the list to the technician on the second visit. It helps them target.
  • Do not buy new furniture or a new mattress before the protocol is done.
  • Redo the prep before each visit, as the technician instructs.

What does the technician need access to on treatment day?

They need to walk along every wall of the rooms being treated, flip every mattress and box spring, open every closet, and look behind every heavy piece of furniture. Here is the checklist to confirm a home is ready.

  • Every room is unlocked, including storage areas, the basement and an attached garage.
  • Nothing blocks the baseboards around the perimeter of the rooms being treated.
  • Beds are stripped, the space underneath is empty, mattresses and box springs are reachable.
  • Dresser and nightstand drawers are empty and open.
  • Closet floors are clear.
  • Sofas and armchairs are cleared and pulled away from the wall.
  • Items on the walls near beds and sofas are taken down and grouped.
  • Pets are out, the aquarium is covered, the pump is off.
  • An adult is available to let the technician in and answer questions, then everyone leaves.

A home that is not ready often delays the treatment, because a product cannot be applied in a cluttered room. If you are short on time or have a physical limitation, say so when booking: there are ways around it, but they need to be planned.

How do you coordinate treatment in an apartment building?

Bed bugs travel between units through walls, baseboards, ducts and hallways. Treating one unit in a six-plex often means starting over three months later. If you rent, notify your landlord in writing as soon as the infestation is confirmed. They are generally responsible for arranging treatment and for coordinating inspection of the adjacent units (above, below and on each side). Our article on who pays for bed bugs in a rental covers your options.

A few tips that prevent friction:

  • Ask the landlord or building manager to send the same prep list to every unit involved, with the date. A neighbour who did not prepare makes the treatment of your unit less effective.
  • Never carry an infested mattress or piece of furniture through the hallways without wrapping it in plastic and marking it clearly. Otherwise the whole building inherits the problem.
  • Tell the technician if a neighbouring unit refuses access, so they can note it and adjust.

Does the prep change depending on the treatment method?

Yes, and that is why you wait for your technician's list rather than following a generic one found online, ours included.

With an insecticide treatment, you empty and clear so the product reaches the hiding spots, and you keep bags sealed for several weeks. With a heat treatment, you leave a lot more in place so it gets heated, but you remove everything that heat can damage: aerosols, candles, chocolate, wine, medication, musical instruments, some electronics. To find out which one suits your situation, read our guide on bed bug treatment: heat or insecticide.

Either way, the technician who did the inspection knows your home, the extent of the infestation and the method chosen. Their list accounts for all of it. Our bed bug extermination service page describes how a treatment unfolds from start to finish.

Frequently asked questions

How long does it take to prepare a home?

Allow a full day for an average-sized home, more if there are lots of clothes or several bedrooms. Washing and drying take the longest. Start as soon as the date is set, not the night before.

Do I have to throw out my mattress?

Rarely. Most mattresses and box springs can be treated and then protected with a zippered bed bug encasement that traps any survivors. Do not throw anything out without the technician's opinion. If a mattress does have to go, wrap it in plastic and write "bed bugs" on it before taking it out.

Can we stay in the home during the treatment?

No. Everyone leaves during the application and for the re-entry period the technician specifies, usually a few hours for an insecticide and the full day for a heat treatment. Pregnant women, infants and people with respiratory conditions often have to wait longer.

What if I still see bed bugs after the first visit?

That is expected. Eggs hatch after the visit and the young bugs cross the treated surfaces. Note what you see, keep sleeping in the same bed and keep the bags sealed. The second visit exists for exactly this. Call if the numbers go up instead of down.

Ready for the visit?

Good preparation is half the treatment. Sealed bags, dryer on high, walls cleared, nothing leaving a room unless it is bagged, and the technician's list followed to the letter. The rest is their job.

Extermination BETA is based in Brossard and serves the South Shore and Greater Montreal, with 24/7 emergency service. Our certified technicians hold the Quebec CD pesticide permit. Call 514-553-2070 or write to us through the contact page. The inspection is free, you get 15% off your first service, and you receive your prep list before we arrive.

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