Chimney Sweep Commerce Valley, Markham — Certified, Clean, Documented
Book before October. Every year, availability in Commerce Valley, Markham disappears the week of the first cold snap.
Free chimney safety score + $50 off your first sweep
How safe is your chimney in Commerce Valley, Markham?
Ten questions, about a minute. You get a 0-100 risk index, a three-tier action plan, and Commerce Valley, Markham price context — no phone number needed to see your score.
A sweep in Commerce Valley, Markham should end with a clean flue, a clean room, and a document showing both. We brush mechanically to the flue's actual dimensions, capture everything in a sealed HEPA vacuum, and photograph the before and after so 'it is clean now' is a fact rather than a claim.
Creosote is the whole point
Stage 1 soot brushes away easily. Stage 2 flakes need aggressive rotary work, and stage 3 glaze needs chemical treatment first. We grade what you have in Commerce Valley, Markham and tell you which stage the flue is at, with photos.
Your room stays clean
Sheeting, a sealed vacuum at the firebox, and negative pressure throughout the sweep. If soot escapes, that is our failure to fix — not something you clean up.
What we check while we are there
Damper operation, smoke shelf, chamber parging, cap and screen, crown cracks, and flashing. Small fixes are done on the spot when parts are on the truck.
Chimney Cleaning pricing in Commerce Valley, Markham
Real 2026 ranges. Your exact number is confirmed in writing before any work starts.
| Service | Typical range | Notes |
|---|---|---|
| Wood-burning fireplace sweep | $199 – $299 | Includes Level 1 inspection |
| Gas fireplace service and vent check | $179 – $259 | Includes CO and spillage test |
| Wood stove or insert sweep | $229 – $329 | Insert pull-out where required |
| Pellet appliance service | $229 – $319 | Includes exhaust path and gasket check |
How the visit works in Commerce Valley, Markham
- 1
Booking and arrival window
You get a two-hour arrival window and a text when the truck leaves the previous job in Commerce Valley, Markham. No all-day waiting.
- 2
Setup and containment
Drop sheets, a sealed negative-air vacuum at the firebox, and shoe covers before any tool touches the flue. Your room stays clean.
- 3
Level 1 or Level 2 inspection
Camera scan of the full flue, smoke chamber, damper, and crown so we know what we are sweeping before we sweep it.
- 4
Mechanical sweep
Poly or wire rotary brushing sized to your flue, working creosote and soot down to the containment vacuum rather than into your living room.
- 5
Cap, crown and exterior check
We inspect the cap, crown, flashing, and mortar joints from the roof and photograph anything that will fail in the next Ontario winter.
- 6
Written report and photos
Emailed the same day: before/after photos, creosote grade, code notes, and a plain-English list of what needs doing and what does not.
What Markham customers say
4.9 out of 5 from 743 reviews across the GTA. A selection relevant to this service below.
Recorded the whole flue on video for the buyer's agent. The chimney line item stopped being a negotiation point the same day.
Careful, knowledgeable, and explained the creosote grading so I actually understood why it mattered. Booking was easy and they arrived inside the window.
Old house with a furnace flue as well. They handled both in one visit and discounted the second one rather than charging full price twice.
Family of raccoons in the flue. They removed them humanely, cleaned everything, and fitted a stainless guard that has kept them out since.
Chimney Cleaning FAQs — Commerce Valley, Markham
How long does a sweep take?
Usually 60 to 90 minutes in Commerce Valley, Markham, including the inspection and photo report.
How often should I sweep?
Annually, or after roughly one cord of wood. Heavy weekend users in Commerce Valley, Markham often need a mid-season check.
Do you sweep gas fireplaces?
Gas appliances get serviced rather than swept — burner clean, venting scan, spillage and CO test, and glass and gasket check.
Will you need roof access?
Sometimes. Most sweeps in Commerce Valley, Markham are performed from the firebox, and roof access is used for cap and crown checks where safe.
Is there anything I should do first?
Do not burn for 24 hours before the appointment and clear about a metre of space in front of the hearth.
What if you find a defect?
You get photos, an explanation, and a written quote. Nothing is started without your approval.
Book chimney cleaning in Commerce Valley, Markham
Free chimney safety score + $50 off your first sweep — 24 hour response guaranteed.
Call (437) 475-2233