Gas Fireplace Repair in Florence-Graham - Camera Evidence Before Any Quote

Yes, and this is one of the most common calls we get from Florence-Graham’s attached bungalows and duplexes. If you share a chimney stack with a neighboring unit and the flue separations (the brick “wythes” between flues) are cracked or the terra cotta liners are compromised, exhaust from your neighbor’s furnace, water heater, or gas fireplace can push into your flue and backdraft through your fireplace. The symptoms are usually a smoky smell when you haven’t used the fireplace, pilot lights that keep blowing out, or a gas odor near the mantle. The fix typically involves camera inspection of the full stack, then flue liner installation and smoke chamber sealing to restore a dedicated, airtight exhaust path for your fireplace. Call (424) 358-3187 if you suspect this; we’ll diagnose it before recommending anything.

Yes, it’s one of the most frequent issues in Florence-Graham’s older Spanish-style homes. The pattern is usually the same: the thermocouple or thermopile is fine, but the flue is partially blocked by spalled brick, debris from Santa Ana winds, or a deteriorating terra cotta liner. When exhaust can’t vent cleanly, the oxygen level around the pilot drops, the thermocouple cools, and the gas valve shuts off as a safety measure. In homes that were never relined, the fix often requires more than a part swap. We camera-inspect the flue, show you exactly what’s blocking or restricting it, and give you a written quote before any work begins.

In Florence-Graham, the fall Santa Ana season is when we see the biggest spike in gas fireplace failures. Before it arrives, check three things: first, is your chimney cap intact and correctly sized? A missing or rusted cap lets wind-driven debris fall directly into the firebox vent. Second, is there any visible spalling on the exterior brick, especially on a shared stack? Spalled brick means moisture has already infiltrated, and debris from the flue walls will continue to drop. Third, does your damper open and close freely, and is the damper clamp – which keeps a gas fireplace damper partially open at all times – present? If the damper is fully closed, exhaust backs up and triggers shutoffs. Some of these checks are visual. If you see anything questionable, call us at (424) 358-3187 for a camera inspection. Better to fix a cap in October than a liner in January.

In Florence-Graham homes, a smoke smell from a dormant gas fireplace almost always points to one of two things: a negative pressure condition drawing air down the flue from outside (worsened by Santa Ana winds or nearby exhaust fans), or residual creosote and soot from years of wood burning before your gas insert was installed. If the fireplace was originally wood-burning and was later converted to gas, the old creosote in the flue gets activated by humidity and temperature swings, producing that stale smoky smell even when the gas log set is off. The fix is a thorough flue cleaning or, in many Florence-Graham homes with original unlined chimneys, a liner replacement that seals off the old creosote-laden surfaces permanently. We’ll camera-inspect and show you what’s actually causing the odor before recommending a solution.

Most are not, in their current condition. In Florence-Graham’s neighborhoods east of Alameda Street, the majority of chimneys we inspect were built with terra cotta liners that have never been replaced. After 70 to 100 years of seismic stress, those liners almost always show cracking, offset joints, or missing sections. Gas fireplace inserts produce cooler exhaust than wood fires, which sounds safer but actually creates more condensation, accelerating acidic damage to old mortar and clay. A direct-vent gas insert can sometimes bypass the chimney entirely, but if you’re using the existing masonry flue as the vent, it needs to be structurally sound and properly lined. Our recommendation after inspection is based on camera footage and condition, not age alone. We won’t tell you a chimney is unsafe without showing you why. For an exact assessment of your Florence-Graham home’s chimney, call (424) 358-3187; estimates are free.

We were called to a 1940s Spanish-style bungalow near Maie Avenue for a gas fireplace that backdrafted whenever the neighbor’s furnace kicked on. Our tech found the shared flue stack had spalling brick and a cracked terra cotta liner, allowing the neighbor’s exhaust to push into the home. We installed a DuraFlex flue liner and sealed the smoke chamber, restoring a clean draft and eliminating the cross-contamination risk. That’s the Florence-Graham repair we know by heart: the chimney is the problem, not the appliance.

If you’re dealing with a gas fireplace that backdrafts, won’t stay lit, or smells like smoke when it shouldn’t, don’t guess. Call Hadley Chimney Torrance at (424) 358-3187. A live person answers. We’ll schedule a tracked visit, inspect with camera documentation, and give you a written price before any work begins. Our 365-Day Done Right Promise means if it’s not right, we make it right, with a free second visit if the repair fails. Every repair includes that guarantee in writing.

Written by Cory Mitchell, Owner at Hadley Chimney Torrance, serving Florence-Graham and surrounding communities since 2003.