Damper Repair & Installation in Markham.
Damper repair, replacement, and top-mount energy damper installation to slash heating bills. We've serviced thousands of Markham chimneys since 2003. Our routing means the closest crew to your door is usually less than 20 minutes away.
Your quote — in 3 quick taps.
A certified expert calls or texts back in under 15 minutes. No spam. Fixed-price written quote.
Damper Repair you can actually trust
A leaky or missing damper is the equivalent of leaving a window open all winter. We repair throat dampers and install top-mount Lock-Top II energy dampers that create an airtight seal.
Every Markham job is quoted in writing before any work begins, and backed by a 5-year workmanship warranty.
What's included
Benefits
- ✓ Stops up to $200/year in wasted heat
- ✓ Top-mount dampers seal 100% airtight
- ✓ Also blocks animals and rain
- ✓ Lifetime warranty on Lock-Top II hardware
Our process
- 1. Diagnose existing damper condition
- 2. Recommend repair vs. top-mount replacement
- 3. Install with pull-cable to firebox
- 4. Test seal and operation
We serve every Markham neighbourhood
Damper Repair pricing & options
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Coal
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Damper Repair in Markham — common questions
How much energy does a good damper save?+
An airtight top-mount damper typically saves 8–12% on heating and cooling bills for homes with a fireplace.
Other services in Markham
Book Damper Repair in Markham
Free written quotes. Same-week booking across the GTA.
Quote in 3 quick taps.
Service · urgency · contact. A chimney expert replies in under 15 minutes.
- Fixed-price written quote
- No spam, no sales calls
- WETT & CSIA certified