Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Gelco Chimney Cleaning in South Pasadena, CA | Sherwood Chimney Sweep
We provide independent Gelco chimney cleaning and repair across South Pasadena, including ZIP codes 91030 and 91031. What makes our Gelco work different here is straightforward: we’ve spent years servicing these systems inside the city’s 1900s-1920s Craftsman and Spanish Colonial homes, where preservation rules often mean working from the inside rather than altering exteriors. Call (833) 589-8498 for a free estimate and a straight answer about what your Gelco chimney actually needs.
Sherwood Chimney Sweep carries professional-grade Gelco components and sources parts from the same trade supply chain pros use nationwide. We know these fireplaces by their failure patterns, not just their model numbers. South Pasadena homeowners call us when they want someone who understands both the equipment and the house it lives in. Contact our Gelco sales & service team directly.
Why South Pasadena Residents Choose Us for Gelco Service
Noel Carver, our owner, grew up in South Pasadena not far from Garfield Park and has spent the better part of three decades looking up at flues and dampers across the San Gabriel Valley. He learned building systems and ventilation through the HVAC and construction technology program at Pasadena City College before deciding chimneys were where the real diagnostic work happened. So when you call about a Gelco fireplace, you’re not getting a call-center script. You’re getting someone who understands the specific way these units behave in century-old local houses.
We serve all of South Pasadena service area, from the Orange Grove Avenue corridor’s 1920s bungalows to the Post-War ranch homes on the south side. That two-decade route history means we show up knowing your house’s vintage likely determines what’s going on inside that Gelco system. We stock OEM-compatible dampers, caps, and common wear components locally, which means less waiting on parts that will never arrive from a warehouse in another state.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in South Pasadena
- Heavy creosote in coal-converted flues. Many 1920s South Pasadena bungalows originally burned coal, and when homeowners converted them to wood, they didn’t resize the flue. Gelco fireplaces in those homes run with undersized passageways, and creosote collects fast. We see this constantly along Orange Grove Avenue.
- Spalling clay tile flues on Post-War ranch homes. The south side of South Pasadena has ranch houses built with clay-tile flues. Hot, dry San Gabriel Valley summers plus occasional Santa Ana wind-driven debris can cause surface flaking. Left alone, spalled tile chips restrict draft and compound the buildup problem.
- Deteriorating mortar joints in original brick chimneys. A century of use softens mortar. Craftsman homes from 1910 or 1920 often have brick chimneys where the mortar has turned sandy and loose. We repoint these joints as part of Gelco service, restoring structural stability without touching the exterior face.
- Improperly sized or missing dampers. Sporadic fireplace use in South Pasadena, often just a few evening fires in December and January, means dampers get rusted, warped, or simply never replaced. A missing damper pulls conditioned air out of your house year-round.
- Debris and soot blowback from Santa Ana winds. Many South Pasadena chimneys lack caps, and when the dry winds kick up in fall, soot and debris get pushed back down into the firebox. We clean the full system and can fit a cap that respects the preservation aesthetic.
Gelco Service in South Pasadena: What Local Conditions Mean for Your Equipment
South Pasadena’s preservation ordinance restricts exterior modifications, and that changes how Gelco work gets done here. You can’t just suggest a modern exterior cap or a chase cover without permit scrutiny. So we clean and repair from the inside: interior sweeps, mortar repointing accessed through the firebox, dampers installed via the throat, and flue caps recessed or chosen to match the existing roofline without triggering review. That’s not true in a neighboring city like Alhambra, where Gelco repair faces fewer restrictions and a crew can swap anything on the roof and be done by lunch.
For Gelco owners specifically, this means the cleaning itself has to be thorough, because you’re not masking a dirty flue with exterior alterations. The condition of the interior liner, the damper seal, the mortar joints, it all matters more when you can’t change the outside. We approach every South Pasadena Gelco job with that understanding. A clean chimney doesn’t announce itself. That’s the point.
Gelco Models & Products We Service in South Pasadena
We service the full Gelco residential range: standard masonry fireplaces, factory-built fireplaces, wood-burning inserts, and multi-flue caps. Parts sourcing follows a simple rule: OEM Gelco components when they’re available and the fit matters, high-quality aftermarket for common wear items like dampers and caps when OEM is discontinued or priced for collectors. We advise repair over replacement whenever the firebox and flue are structurally sound. That’s the difference between a service company and a sales operation.
We emphasize Level 2 inspection, creosote removal, and mortar repointing on our South Pasadena Gelco calls, because those are the three services that keep these older systems functioning without altering the exterior. Local stock means most parts arrive at your door the same day, not three weeks later.
See the difference
Before
After
Before
After
Before
AfterGelco Service Pricing in South Pasadena
Gelco chimney cleaning in South Pasadena typically runs $180 to $340, depending on the fireplace type, the amount of creosote, and whether the flue has the undersized characteristics we described above. Level 2 inspections add cost because they involve camera work, but for 1920s homes with unknown flue history, they’re often the necessary starting point. Here’s a straight breakdown:
- Standard Gelco masonry or factory-built fireplace sweep: $180-$240
- Gelco wood-burning insert cleaning: $220-$340
- Level 2 inspection with camera: $150-$300, depending on access
- Mortar repointing (per section): $15-$30 per linear foot
- Damper replacement: $120-$250, parts separate
Your free estimate includes a look at the firebox, the damper, and the flue condition we can see before cleaning. Call (833) 589-8498 and we’ll give you an honest number.
Serving South Pasadena, CA — Our Local Coverage Area
We’re based in the South Pasadena area and know this community well, and we also offer Pasadena Gelco service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in South Pasadena
It means exterior modifications like modern caps or chase covers can trigger permit review, so we do cleaning, inspection, and most repairs from the inside of the flue. The work still gets done, it just respects the historic exterior. Call us for a consultation if your project touches the roofline and you’re unsure.
Because this city’s 1920s bungalows often have flues originally sized for coal and later converted to wood, leaving a tight passageway and irregular heat cycles. Add sporadic winter use that never gets the flue hot enough to burn off deposits, and creosote accumulates year over year.
Yes, in most cases. Interior spalling gets addressed through the firebox, and we repoint deteriorated mortar from inside or through minimally invasive access points. Exterior brick face issues are trickier under the ordinance, but we’ll tell you honestly what can wait and what can’t.
A Level 2 inspection is the right starting point for any South Pasadena home of that vintage, because it includes a camera pass of the entire flue. Many of these homes have hidden plaster walls in attic spaces, and a Level 2 is the only way to see what’s happening behind them. Call us for a free estimate.
Annually, even if you only burn a few evening fires in December and January. The sporadic use pattern means creosote sits for months, and the Santa Ana dry season can introduce debris even when you’re not burning. A yearly cleaning at the start of fall keeps the system safe all winter.
Service Areas Near South Pasadena
We serve South Pasadena and the surrounding San Gabriel Valley communities, including El Monte, South El Monte, Rosemead, Alhambra, and Temple City. Gelco owners in those areas get the same independent, professional-grade service. We also offer Gelco service in Covina and Gelco service in South San Jose Hills.
Book Your Gelco Service in South Pasadena Today
Before burning season starts, get your Gelco system checked. We’ll send Noel or one of our trained technicians to your South Pasadena home, inspect the flue, and give you a straight answer. Call (833) 589-8498 for a free estimate.
Written by Noel Carver, Owner at Sherwood Chimney Sweep, serving South Pasadena and the San Gabriel Valley, including San Marino Gelco service, since 2003.