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Chimney Sweep in Thornhill, Markham

Trusted chimney sweep service for cleaner, safer fires in Thornhill, Markham.

Call (437) 475-2233
24 hour response
Licensed & insured
OEM parts on the truck

A proper chimney sweep does more than remove soot. It resets the flue to a clean baseline so heat travels the way it should, smoke doesn't back up into the room, and creosote fires stop being a background worry. Our team in Thornhill, Markham sweeps residential chimneys with modern rotary and rod tools, seals the fireplace opening while we work, and leaves the room the way we found it.

Why chimney sweep matters in Thornhill, Markham

Removes Creosote

Creosote is the tar-like residue burned wood leaves behind. Once glazed onto the inside of a chimney, it becomes highly flammable — a real risk for anyone in Thornhill, Markham using their fireplace regularly.

Improves Draft

A clean flue pulls more efficiently. That means less smoke in the room, faster startups, and better heat output from every log.

Extends Chimney Life

Acidic soot slowly eats masonry and liners. Regular sweeping keeps the interior surface in good shape and reduces long-term repair costs.

Our chimney sweep process

  1. 1

    Setup And Containment

    We lay down runners, seal the firebox opening with negative-pressure containment, and set up a HEPA vacuum before a single brush moves.

  2. 2

    Rotary Sweep

    Flexible rods with rotary brushes work the flue top to bottom, sized to match your specific chimney and liner.

  3. 3

    Debris Removal

    All loosened creosote, soot, and blockage material gets vacuumed out at the base — never left to fall into the room.

  4. 4

    Visual Verification

    We finish with a camera pass to confirm the flue is clean and note anything that came up during the sweep.

  5. 5

    Cleanup

    The workspace is left as clean as we found it. You'd have to look hard to tell we were there.

Common findings in Thornhill, Markham

  • Third-degree creosote glaze needing chemical treatment
  • Loose flue tile pieces at the base of the chimney
  • Signs of moisture — a sweep alone won't fix a leaking crown
  • Bird or squirrel activity in unused summer flues

What you get

Cleaner Fires

Wood burns hotter and cleaner when the flue pulls right, which also means less soot into the room.

Lower Fire Risk

A swept flue has almost no fuel for a chimney fire — the biggest reason to schedule this every year in Thornhill, Markham.

No Mess Left Behind

Modern sweeping tools mean no soot on your floors, furniture, or ceilings.

Chimney Sweep reviews in Thornhill, Markham

4.9 average from 743 verified customer reviews
Level 2 for a house sale
Recorded the whole flue on video for the buyer's agent. The chimney line item stopped being a negotiation point the same day.
Tom H. - Markham - 2026-04-03
Great with an old masonry chimney
1920s brick, plenty of quirks. The technician clearly knew older builds and pointed out mortar joints to watch rather than pushing a rebuild.
Owen C. - Milton - 2025-11-08
Honest about what I did not need
They told me the flue did not need sweeping yet and charged only for the inspection. First contractor in years to talk me out of spending money.
Nadia F. - Richmond Hill - 2026-06-19
Exceptional chimney inspection
Punctual, professional, and walked me through every step. The report came the same afternoon with clear photos of the crown cracks they found. No pressure to book the repair.
Sarah M. - Toronto - 2026-05-14

FAQ

How often should I sweep?

Every 12 months for regular use, or after roughly one cord of wood burned.

Can I sweep it myself?

You can, but a certified sweep catches liner and structural issues DIY tools miss.

Will the house get dirty?

No — the firebox is sealed and the debris is vacuumed out at the source.

Book your chimney sweep today

24 HOUR RESPONSE GUARANTEED — call now to lock in a slot in Thornhill, Markham.

Call (437) 475-2233

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