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 East Pasadena, CA | Pilgrim Chimney
We clean and service Gelco fireplaces and inserts across East Pasadena’s 91107 neighborhoods, and the work here almost always comes back to the same thing: the chimney behind the appliance. Most homes in this part of the San Gabriel Valley foothills were built between the 1920s and 1950s with original clay tile flues, and a Gelco insert is only going to perform as well as the masonry it vents into. We’re an independent service company, not a Gelco dealer or authorized warranty shop, and we’ll tell you plainly when a cleaning is all you need or when the tile behind your insert has reached the end of its life. Call (866) 253-5031 to book a sweep or inspection in East Pasadena.
Why East Pasadena Residents Choose Us for Gelco Service
We service Gelco sales & service equipment throughout the foothills, and there’s a difference between a company that sweeps flues and one that understands how a Gelco firebox behaves when it’s been retrofitted into a 1940s firebox. Len Pacheco, our owner, spent decades working chimneys across Southern California before building Pilgrim Chimney, and he’s pulled enough cracked tile and bird nesting out of old clay flues to know what a Gelco insert is up against in this housing stock. When we show up to your East Pasadena home, we’re not just running a brush through the pipe. We’re checking how the insert seats against the damper, whether the flue collar is obstructing airflow, and whether the original tile liner is still sound enough to safely vent your appliance.
We stock Gelco OEM parts for anything that touches firebox or venting safety, including dampers, glass, gaskets, and burner components. For generic items like caps and screens, we use quality aftermarket parts that match the application. That approach keeps turnaround sensible for homeowners needing Gelco in Pasadena, because we’re not waiting on a distributor shipment for every cap or screen a foothill windstorm tears up.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in East Pasadena
These are the issues we see most often on Gelco installations in 91107.
- Insert retrofitted into a never-relined clay tile flue. The original tile in a 1920s or 1930s chimney spalls over time. Grit falls, creosote collects in the gaps, and the Gelco insert vents into a system that’s no longer smooth or sealed. We clean the flue and inspect the tile with a camera so you can see exactly what’s happening.
- Damper and flue collar interference on cold starts. Gelco inserts set into smaller 1920s through 1950s fireboxes sometimes don’t leave the damper enough travel. Smoke rolls into the room when you first light up. We adjust the seating or modify the damper so the insert actually vents.
- Burners and pilots fouled by wind-driven debris. Santa Ana winds through the San Gabriel canyons push leaf litter, soot, and even bird nesting down uncapped flues. Gelco gas burners and pilots are sensitive to that kind of fouling, and uncapped flues in East Pasadena’s tree-heavy blocks get hit hard between seasons.
- Glazed, hardened creosote on occasional-use inserts. East Pasadena fireplaces see most of their use in winter cold snaps, which leaves long dry spells in between. Creosote that forms and sits glazes over and hardens. A standard brush won’t remove it, and it’s a fire hazard worth addressing before Thanksgiving.
- Missing or damaged caps over Gelco insert flues. The mature oak and pine canopy in this part of East Pasadena drops a lot of material into open flues. We install screened caps sized to the Gelco flue collar and the local wind exposure, and we inspect them as part of every sweep.
Gelco Service in East Pasadena: What Local Conditions Mean for Your Equipment
East Pasadena’s 91107 foothill blocks are thick with mature oak and pine canopy, and that changes what a Gelco insert flue looks like when we arrive. A flue that ran clean all summer can be packed with leaves, soot, and bird nesting by fall, because canyon winds funnel debris straight down uncapped chimneys between seasons. We see this regularly on the Michillinda Avenue side of 91107 and throughout the residential streets that climb into the hills. Most of the actual firing season here happens during winter cold snaps and holiday gatherings, not through the summer, which means most 91107 sweeps—and those seeking Gelco in San Marino nearby—get booked in the weeks right before Thanksgiving. If you wait until Christmas week to book, you’re competing with every other fireplace owner in the San Gabriel Valley foothills. Our advice is simple: book the sweep in late October or early November, before the holiday rush and before you light that first fire of the season.
Gelco Models & Products We Service in East Pasadena
We service Gelco gas fireplace inserts, wood-burning inserts, vented gas log sets, and fireplace doors and screen assemblies. The most common setup we see in East Pasadena is a Gelco gas insert retrofitted into an original wood-burning firebox with a clay tile flue behind it. We use Gelco OEM components for anything that affects the safe operation of the firebox or venting. That means dampers, glass, gaskets, and burner parts get genuine Gelco replacements. Caps and screens, which are generic by nature and take the worst of the foothill weather, get quality aftermarket parts that match the application. We carry common sizes on the truck so most East Pasadena jobs, plus Arcadia Gelco service calls, don’t need a second visit for parts.
See the difference
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AfterGelco Service Pricing in East Pasadena
Chimney sweeping in East Pasadena typically runs $180 to $340, depending on what we find and how much creosote has built up. Level 2 inspections, which we recommend for any Gelco insert that hasn’t been inspected in a while, add $150 to $450. Cap installation runs $120 to $400 installed, and the spread depends on whether the flue needs a single-flue cap or a multi-flue unit with screening. HeatShield resurfacing and liner work get quoted case by case after we see the inside of the flue. What drives cost here is the age of the tile and whether glazed creosote has set in, because that requires more time and different tooling than a routine sweep. Call (866) 253-5031 for an exact quote. Estimates are free, and we’ll show you camera footage before recommending any repair.
Serving East Pasadena, CA — Our Local Coverage Area
We’re based in the East Pasadena area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in East Pasadena
My Gelco insert vents into the original clay flue tiles in my 1940s East Pasadena house, but we can’t know that until the camera goes in. For homes in this area with original tile from the 1920s through 1950s, relining is more common than homeowners expect, but it’s never a decision we make for you. Call (866) 253-5031 and we’ll show you what the camera sees before recommending anything.
Why does my Gelco gas insert smoke into the room when I first turn it on during a cold snap? The most common cause in East Pasadena is damper interference. A Gelco insert set into a small 1920s through 1950s firebox can leave the damper partially closed, and on cold starts the flue hasn’t warmed enough to draw properly, so smoke spills into the room. Debris in the flue or a cracked tile below the insert makes it worse. We diagnose it by checking the damper travel and the flue collar, then running a camera to see what’s downstream. This is a fixable problem, but it needs a proper inspection, not another sweep.
Do I really need a chimney cap on a Gelco insert flue in the foothills? Yes. The mature oak and pine canopy in East Pasadena’s 91107 neighborhoods drops leaves, needles, and twigs into uncapped flues every fall. Canyon winds push the debris down the chimney, and birds will nest in any open flue they can find. A screened cap keeps the debris out and keeps embers from escaping during the dry season. For a Gelco insert, we size the cap to the flue collar and the local wind exposure, and we install it so it doesn’t interfere with the draft—same as we do for Gelco service in Sierra Madre.
When should I book my Gelco sweep in East Pasadena? Book it in late October or early November. The real firing season in 91107 is winter cold snaps and holiday gatherings, not summer. Most East Pasadena sweeps get scheduled in the weeks right before Thanksgiving, and if you wait until December you’re calling during peak demand for every chimney company in the San Gabriel Valley. We also inspect the cap and the flue while we’re in there, so you get the full picture before the fires start. Call (866) 253-5031 to get on the schedule before the rush.
Can you clean glazed creosote off a Gelco insert flue, or does it have to be replaced? Glazed creosote can usually be removed with rotary cleaning tools, which is not the same as a standard brush sweep. The question is what’s underneath it. In East Pasadena we often find cracked or spalled tile behind the glazing, especially on chimneys from the 1920s through 1950s. If the tile is sound, we clean it and you’re good for the season. If the tile is spalled past safe use, we’ll tell you straight. A Gelco insert is only as safe as the chimney it vents into, and we’d rather show you the camera footage than sell you a patch job. Call (866) 253-5031 for an inspection and see for yourself.
Service Areas Near East Pasadena
In addition to East Pasadena service area coverage, Pilgrim Chimney provides Gelco chimney service to nearby foothill and high desert communities. We work regularly in Victorville, Spring Valley Lake, Apple Valley, and Adelanto. For Gelco owners further out, we also provide Gelco service in Morongo Valley and Gelco service in Avocado Heights. If you’re in any of these areas, give us a call and we’ll get you on the route.
Book Your Gelco Service in East Pasadena Today
A clean chimney isn’t exciting, until you remember what the alternative looks like. If you own a Gelco insert in East Pasadena, don’t wait for the first cold snap to discover it isn’t venting. Call (866) 253-5031 for a free estimate. We’ll inspect the flue, show you the camera footage, and give you a straight answer on what needs doing and what can wait.
Written by Len Pacheco, Owner at Pilgrim Chimney, serving East Pasadena and the San Gabriel Valley foothills.