Famco Damper Repair Nationwide

Famco Damper Repair: The Los Angeles Owner’s Guide

We stock and install Famco-compatible damper repairs across Los Angeles, with most jobs running $280-$520 installed depending on access and whether the throat plate needs work. Same-day service is available when you call before noon, and our trucks carry the common Famco sizes so we’re not making a second trip. Most homeowners in Los Angeles discover the problem on the first cold evening in November or December, when they open the damper and it won’t budge, or it drops open and won’t seal, sending their heated air straight up the flue.

Call (844) 803-1545

Which Famco Models This Applies To

Famco has manufactured dampers for decades under several series names, and the part you need depends on when your fireplace was built and how the damper was originally installed. The cast-iron throat dampers marked “Famco” on the handle or frame are most common in Los Angeles homes built between 1965 and 1995, particularly in the San Fernando Valley and Pasadena areas where tract builders standardized on them. Look for a stamped model number on the damper frame, usually visible from the firebox with a flashlight. It may read something like “Famco 8” or “Famco 10” indicating the throat width in inches, or a longer code like “FD-8-13” specifying both throat width and frame depth.

We carry both OEM Famco replacement dampers and quality aftermarket equivalents from Gelco and Olympia Chimney that match the original specs. The aftermarket units often fit more precisely in older Los Angeles fireplaces where the original framing has settled slightly, and they carry the same functional warranty. One compatibility gotcha: the Famco “low-profile” series from the 1980s uses a narrower frame lip than standard, so a generic replacement won’t seat properly without shimming that compromises the seal. We measure on-site before quoting so you don’t pay for a part that doesn’t fit.

Hearthstone Chimney Co. is an independent service provider with no affiliation to Famco. We source parts through professional supply houses that stock the lines we trust.

Signs Your Famco Damper Repair Is Failing

• The handle turns but the damper plate doesn’t move. The linkage between the handle spindle and the plate has corroded or the cotter pin has sheared off. In Los Angeles, this often follows years of disuse after a mild winter, when the metal sits idle and the creosote film hardens into a binding layer.
• The damper won’t fully close, or you feel a draft even when it’s shut. The plate has warped from heat cycling or the frame has rusted unevenly, leaving a gap that pulls conditioned air up the chimney year-round. We’ve measured gaps as small as an eighth of an inch costing homeowners $180-$340 annually in wasted heating and cooling.
• You hear rattling or flapping when the wind blows. The damper plate has cracked or the hinge pin has worn loose, letting the plate chatter against the frame. This gets worse in the Santa Ana wind corridors through the hills above Glendale and Burbank.
• The handle is stuck or requires force to operate. The spindle threads have galled, or the frame has distorted from thermal stress and is binding the plate edges. Forcing it usually makes it worse and can snap the cast handle.
• Smoke spills into the room when you light a fire. The damper may be partially open, or the plate may have dropped out of position entirely. This is the symptom that gets our phone ringing fastest, and it’s the one we take most seriously.

Replacement Cost & What’s Included

In the Los Angeles market, a complete Famco damper replacement typically runs:

What drives the range is access. A standard masonry fireplace with a standard throat and a clean smoke chamber takes us about 90 minutes. If the damper sits behind a narrow throat in a pre-1970 Los Angeles chimney, or if the original builder framed it in with brick that has to be carefully removed and replaced, the labor increases. We quote upfront after looking, not after starting. The price we give is the price on the invoice. Every damper replacement carries our 90-Day Done Right Promise in writing, and we document the installation with photos you can see.

DIY or Call Us?

There’s a safe middle ground here, and then there’s a hard stop. You can safely check whether the damper handle turns freely, shine a flashlight up to spot obvious cracks in the plate, and confirm whether the problem is the handle mechanism or the plate itself. What you should not do is climb into the firebox and attempt to remove a seized damper assembly. The cast iron is heavy, the access is awkward, and the throat framing above is structural. We’ve been called to jobs in Los Angeles where a homeowner dislodged the smoke chamber lining trying to pry a damper free, turning a $350 repair into a $2,000 rebuild.

The other reality: even if you source the correct Famco part, seating it level and sealing the frame against the throat plate takes experience and the right refractory packing. A damper that tilts by even a quarter inch won’t seal, and you’ll be back where you started. We’re background-checked, uniformed, and we complete most damper replacements in a single visit. Call (844) 803-1545 for a free estimate, and we’ll give you a plain answer about whether this is a repair you can wait on or one that needs handling now.

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