Chimney Liner Replacement in San Jose and the South Bay
A chimney liner is the protective inner sleeve of the flue that channels smoke and heat safely out of the house, and it needs replacing when it cracks, corrodes, or was never installed to code, most often with a stainless steel liner sized to the connected appliance. An inspection is required before replacement to size the liner correctly and confirm it is actually the fix the chimney needs.
Signs You Need a Liner Replacement
Liner damage is mostly invisible from the room. These are the situations that warrant a camera scan.
- Visible cracks, gaps, or missing sections found during a chimney inspection
- Rust flakes or debris in the firebox from a deteriorating metal liner
- A recent chimney fire, which can crack clay tile liners even when no exterior damage is visible
- Switching from a wood-burning to a gas insert or vice versa, which usually requires a differently sized liner
- A home with an older clay tile liner that has never been inspected
Our Process
Level 2 Inspection
CSIA Level 2 inspection with a video scan to confirm the liner condition and correct sizing needed for your appliance.
Remove Old Liner
Removal of the damaged liner, if applicable, and any obstructions in the flue.
Install New Liner
Installation of a code-compliant stainless steel liner, insulated where required for the appliance type.
Draft Test
Final draft test and video confirmation that the new liner is clear and properly seated.
Why Choose SV Chimney Sweep
Liner work is safety-critical: an incorrectly sized or damaged liner is a carbon monoxide and fire risk, not just a maintenance issue. Our installations are performed by CSIA-certified technicians and always start with an inspection, not a sales pitch. Bonded and insured, with 139+ five-star Google reviews.
Liner Replacement Across the South Bay
Chimney liner replacement throughout San Jose, Santa Clara, Sunnyvale, Cupertino, and the South Bay.
Same-Day Service Available
Call before noon and we will do our best to get a certified technician out to you the same day. Open Sunday through Friday.
1269 Lakeside Dr, Sunnyvale, CA 94085
Chimney Liner FAQ
How do I know if my chimney liner needs replacing?
Only a Level 2 inspection with a video scan can confirm this reliably. Visible symptoms like rust flakes in the firebox or a recent chimney fire are strong signals to get inspected.
Can I use my chimney without a liner?
It is not safe and is not code-compliant in most jurisdictions. An unlined or damaged-lined chimney lets heat and combustion byproducts reach the masonry and surrounding structure directly.
How long does a liner replacement take?
Most standard liner replacements are completed in a single day, roughly 3 to 6 hours depending on flue height and any obstruction removal needed.
Do gas fireplaces need a liner too?
Yes, gas appliances need a properly sized liner as well, often a different diameter than a wood-burning setup, which is why appliance conversions usually require a liner change.
