Cleaning guides

What happens during a hot water extraction visit, step by step

A hot water extraction visit runs in a set order. A written estimate before any work starts, a dry vacuum pass, pre treatment left to sit, then the wand pass that puts heated solution into the pile and draws it straight back out. Stairs and edges are done by hand, and the carpet is dry within hours in warm weather, longer in winter.

Published 7 min read Carpet Cleaning Wizards technicians
The same North Jersey staircase after cleaning, the oatmeal and blue grey banding even again

Carpet cleaning

Most questions before booking are about the visit rather than the cleaning. How much water goes into the floor, whether the furniture has to move, whether anyone has to leave the house. The answers follow the order the work happens in.

It starts with a photograph of the worst patch

Before anything is booked, send a photograph of the area you are most concerned about, whether that is a hallway lane, a stair tread or the patch beside the dog bed. It is the fastest way to a clear answer about what will come out and what will not.

Ground in traffic soil comes out, because extraction reaches the base of the pile where it sits. Bleach spots, sun fade along a south facing window and old pet urine that has changed the color of the fiber do not, because there is no dye left in the filament to recover. We tell you that on the phone rather than at the door.

A written estimate before anything gets wet

All services are performed at your home or business. The first few minutes of the visit are spent walking the rooms with you rather than setting up equipment. We look at the fiber, the number of stairs, where the stains sit, whether a rug needs a dye test before it can be wet cleaned, and which furniture two people can safely move.

You then receive the estimate in writing, and the work starts after you have it. Three things you tell us at that point change the plan: pets in the house, any stain you know is stubborn, and whether a room has to be usable again by a set time that day.

The dry vacuum pass comes first

No moisture is applied until the floor has been vacuumed. Dry soil is grit, sand, hair and dust sitting loose in the pile, and it is the easiest material in the room to remove while it is still dry. Water applied first turns it to mud that then has to be extracted.

A vacuum removes only the top layer. It cannot reach the film of street dirt and skin oil where the fibers meet the backing, and that lower layer is what makes a hallway a shade darker than the rooms beside it. In most cases the carpet there is soiled rather than worn. Vacuuming first means the hot water is spent on that lower layer.

Pre treatment, and the minutes it has to sit

Traffic lanes and spots are sprayed with a pre treatment and then left alone. The product has to sit on bonded soil long enough to break it loose before anything rinses it away. That dwell time is the step most home attempts skip, and it changes the result more than the strength of the product does.

We do not scrub. Carpet fiber is twisted, and that twist is what makes a pile stand up and reflect light evenly. A brush driven into a wet spot frays the filaments in that small area, and frayed fiber continues to look different from the carpet around it long after the spill is gone. The product works while we set up, and the extraction removes it.

The wand pass

The machine does two things in one movement. It injects heated cleaning solution into the pile under pressure, and about half a second later it draws that same solution back out through the head, carrying the soil it released. That is hot water extraction, and it is the method carpet manufacturers commonly specify in their warranty terms.

The half second is the point of the method. Water that goes in and does not come straight back out leaves the carpet damp for days and leaves detergent in the pile, and dried detergent stays tacky and attracts new soil. That is where the idea that cleaning makes carpet soil faster comes from. The cause is residue rather than the method.

Passes overlap, and we work backward toward the door so no one has to walk across a section that has just been cleaned. The products are non toxic, biodegradable and safe around children and pets, and no ventilation is required afterwards.

Stairs and edges are done by hand

No machine head sits flat on a stair tread. A staircase is cleaned with a hand tool, step by step, and it is normally the slowest part of the visit.

There are three faces on every step and each one takes soil differently.

  • The tread, the part you walk on, which collects ground in traffic soil the same way a hallway does.
  • The riser, the vertical face at the front of the step, which collects scuff marks rather than soil.
  • The carpeted stringer at each side, which collects the dust a vacuum pushes to the edge.

We start at the bottom step and work up. Water runs downhill, so anything that comes off a step lands on one still waiting to be cleaned rather than one already finished. Room edges are given the same hand work, because the machine head cannot reach into a corner or sit tight against a baseboard.

A North Jersey staircase before cleaning, the treads darkened and blotched with soil
Before. The brown blotching across the treads is soil sitting at the base of the pile rather than worn carpet.

Air movers when a room has to be back in use

Most carpet is dry within hours in warm weather and takes longer in winter. Thick pile, cold weather and a closed room all slow that down, and before leaving we tell you which rooms to stay off and for how long.

When a room has to be back in service sooner, say so when you book and we bring air movers. Rental turnovers and a room with guests in it that evening are the most common reasons. Fabric upholstery usually takes four to eight hours, longer in cold or humid weather, and leather is usually faster because so little moisture goes in. There is more on drying at How long carpet really takes to dry after a professional clean.

Before and after, shown at the door

The visit ends with walking the rooms with you again before the equipment is packed. If a spot has come up short, we show it to you then rather than leaving you to find it later. It is usually the same spot identified from your photograph, which is the reason for asking for one.

The visit in order

  1. You send a photograph of the worst patch and we tell you what will come out and what will not.
  2. We arrive at the property and walk the rooms with you.
  3. You receive a written estimate, and the work starts after that.
  4. Furniture that two people can safely lift is moved and put back afterwards.
  5. The carpet is vacuumed dry.
  6. Traffic lanes and spots are pre treated and left to dwell.
  7. The wand pass puts heated solution in and draws it back out, working toward the door.
  8. Stairs and edges are cleaned by hand, bottom step upward.
  9. Air movers are set in any room that has to be usable sooner.
  10. We walk the rooms with you again before packing up.

When to call us

Call when the hallway has gone a shade darker than the rooms on either side of it, when the stairs look grey from the landing, when a pet accident keeps returning, or when a lease is ending and the floor has to pass an inspection. Most homes we clean are on a six to twelve month cycle, and a house with a dog and children is at the short end of it.

The full method, what it covers and what it does not, is on Carpet cleaning. We work across eight counties in North Jersey and Central Jersey, including Essex County and Bergen County, in houses and apartments, and we book by appointment at any hour. Clearing light items off the floor before we arrive saves time, and the short list is at What to move before the cleaner arrives: a ten-minute list.

Common questions

Frequently asked questions

Question 1: How long does a hot water extraction visit take?
It depends on how many rooms there are, how many stairs, and how much hand work the edges and spots need. You get the time along with the written estimate, before any work starts. The carpet is normally dry within hours in warm weather and takes longer in winter.
Question 2: Does the carpet get soaked?
No. The solution goes into the pile and comes back out through the same head in the same movement, which is what separates extraction from simply wetting a carpet down. Most carpet is dry within hours in warm weather and takes longer in winter.
Question 3: Do I need to be home the whole time?
Someone needs to be there at the start to walk the rooms with us and approve the written estimate, and at the end so we can show you the result. In between most people carry on as normal.
Question 4: Do you move the furniture?
We move what two people can safely lift and we put it back. Beds, dressers and anything holding electronics or glass are best emptied and cleared before we arrive. If you prefer that we clean around the larger pieces, tell us when you book.
Question 5: Will the house smell of chemicals afterwards?
No. The products are non toxic, biodegradable and safe around children and pets. No ventilation is required afterwards, and pets can remain in the home.
Question 6: What happens if a stain does not come out?
We tell you twice, once from the photograph before you book and again when we walk the rooms with you at the end. Soil comes out. A bonded stain ends up somewhere between removed and nearly invisible, depending on what it is and how long it sat. Bleach, sun fade and old urine have altered the dye itself, and no cleaning brings that back. More of these answers are at /faq/.

Read next

Three more on the same service

Cleaning guidesReach the office

Estimate request

Tell us what needs cleaning

Tell us the rooms, the surfaces and the address, and attach a photograph of the affected area if you have one. You receive a written estimate the same day, with no obligation.

Same day written estimate Answered any hour at (908) 545-9387 5.0 from 328 Google reviews Non-toxic products, safe for children and pets

Written estimate

NO. 0328
A written estimate the same day, with no obligation.
Please enter your name.
Enter a 10 digit phone number.
Enter a valid email, or leave it empty.
Enter the street address.
Enter the town.
Enter the 5 digit ZIP.
What needs cleaning? (pick at least one)
Pick at least one surface.
Photographs of the area (optional, up to 5, 8 MB each)

A photograph of the area helps us give an accurate estimate.

    A quick check that you are a person, from Cloudflare. It sets no cookie for advertising and does not track you across sites.

    We reply the same day.

    CARPET CLEANING WIZARDS · N.J. ESTIMATE · SAME DAY RECEIVED NO. 0328

    Request received.

    Your written estimate comes back today, usually within a couple of hours. For anything urgent, call (908) 545-9387.

    Cleaned by us? Add your review on Google., opens in a new tab

    Get my estimate