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 | San Bernardino Chimney Sweep
If you own a Gelco fireplace in East Pasadena, you need someone who understands both the insert and the original masonry around it. We clean and service every major Gelco line across the 91107 ZIP, and we do it as an independent provider, not a factory dealer. That matters here because East Pasadena’s older homes often pair a 1990s or 2000s Gelco unit with a 1950s brick fireplace that was never lined. Call us at (877) 516-7159 for a free estimate.

Why East Pasadena Residents Choose Us for Gelco Service
We have pulled enough Gelco inserts out of East Pasadena fireplaces to know exactly what hides behind them. Dry gaskets, rusted firebox tops, loose vent caps, and behind it all, a parged smoke chamber that was never meant to hold a modern gas appliance. Our work covers the whole system, not just the appliance. You get a crew that handles Gelco sales & service with genuine OEM parts when they are available, and honest guidance when a repair is not worth your money.
Allen Prescott grew up near the Kendall Drive corridor in San Bernardino and has spent the better part of three decades working on the chimneys and fireplaces of Inland Empire and San Gabriel Valley homes. He narrowed his focus to chimney maintenance and venting safety because he saw what gets missed when a general handyman takes a look and says everything is fine. We do not guess. We run a camera down. You see what we see.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in East Pasadena
Most East Pasadena service calls start with the same complaint: the insert works fine until it does not. Here is what we actually find when we open these units up.
- Gelco gas inserts whose gaskets and seals have dried out and shrunk. East Pasadena summers are hot and dry, and gaskets are just fiber and adhesive. After a few seasons in a brick chase that bakes in the sun, they crack, shrink, and start letting draft and exhaust leak around the firebox. You smell it before you see it.
- Direct-vent terminal caps and intake collars that loosen or corrode from Santa Ana wind exposure. Those wind gusts put real torque on the cap at the top of the house. The cap loosens, the intake collar shifts, and the pilot starts dropping out every time the wind picks up. The unit is not broken. It is just loose where the wind can reach it.
- Wood insert baffle and firebrick assemblies that crack after years of light, intermittent use, then drop debris into an already aging flue. East Pasadena fireplaces get lit maybe a few dozen times a year. That sounds gentle. But the thermal cycles are still enough to crack a baffle, and the pieces go where pieces always go, down into a flue that has not been swept in years.
- Gelco zero-clearance units in 1980s and 1990s tract rebuilds where the chase flashing has separated from the roof. East Pasadena has plenty of these rebuilds. The original metal chase was flashed into the roofline decades ago, and once the seal fails, water tracks onto the firebox top. The first sign is usually rust staining on the firebox lip, not water on the floor.
- A Gelco unit that was installed into an unlined 1950s brick fireplace, and now the insert has to come out to fix it. This is the East Pasadena classic. The insert works fine until the day it does not, and when we pull it, the masonry behind it is spalling and there is no liner. You cannot safely put the insert back without making a decision about that flue.
Gelco Service in East Pasadena: What Local Conditions Mean for Your Equipment
There is a specific pattern we see along the older streets near Altadena Drive and around the 91107 ZIP that you do not see in a place like Glendale or Arcadia. The original 1950s and early 1960s brick fireplaces here were often built with a parged smoke chamber and no clay liner at all. Just brick, parging, and a flue that was never meant to carry the exhaust from a modern gas appliance. When a homeowner had a Gelco gas insert installed in one of these fireplaces back in the 1990s or 2000s, nobody pulled a camera first. The insert went in, it worked, and the unlined masonry sat behind it for twenty years.
Now the insert comes out for service, and you are staring at a smoke chamber that has spalled, a firebox top that may have rusted through from a chase leak, and no liner between the fire and the house. That is why our East Pasadena Gelco service is not just a sweep. It is a full assessment of what the insert sits inside, because the insert may be fine and the chimney behind it may not be. In East Pasadena, those two things are often attached to each other on houses built before the 1970s. Do not get me started on how Pasadena’s wood-burning rules under the South Coast AQMD shape this. Many of these fireplaces see less use now than they did twenty years ago, but they are inspected more, and the inspection is where the unlined flue gets found.
On a ranch home off Altadena Drive, we pulled a Gelco gas insert from a 1958 brick fireplace and found the firebox top rusted through from a chase leak, plus a smoke chamber behind it with no clay liner, just parging that had spalled. We replaced the Gelco gaskets and vent cap, repaired the chase flashing, and walked the homeowner through a liner recommendation before reinstalling the insert. The unit now drafts correctly and the crown is coated against the next round of Santa Ana wind. A clean flue is not a luxury. It is just how you keep the fire where it belongs.
Gelco Models & Products We Service in East Pasadena
We work on the full range of Gelco systems you are likely to find in East Pasadena homes. That includes Gelco gas fireplace inserts, Gelco direct-vent factory-built fireplaces, Gelco wood-burning fireplace inserts, and Gelco zero-clearance fireplace systems. Each one has its own failure patterns here, and each one needs different care.
On the parts side, we use Gelco OEM components where they are still available: gas valves, gaskets, glass, and venting parts. When OEM is discontinued, we use quality aftermarket equivalents for wear items, and we will tell you which is which and why. We are an independent service provider, not a manufacturer-affiliated shop, so there is no incentive to sell you a part you do not need. If the firebox shell or venting chase is cracked or rotted beyond safe service, we say so plainly and quote replacement rather than patch a unit that cannot be made safe.
See the difference
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AfterGelco Service Pricing in East Pasadena
You will not get a hard quote over the phone without us seeing the unit, and you should be suspicious of anyone who gives you one. That said, here is what to expect for Gelco work in East Pasadena, where the typical job combines appliance service with the masonry condition behind it.
- Level 1 inspection: $150 – $250. The basic visual check with the insert in place.
- Level 2 camera inspection: $250 – $450. We run a camera down and document what is in there. Worth it on any unlined 1950s chimney.
- Gelco gas insert cleaning and service: $200 – $400, depending on gaskets, glass, and vent cap condition.
- Gelco direct-vent cap replacement: $150 – $350. Common after Santa Ana wind seasons.
- Chase flashing repair: $300 – $800. The fix for that rusted firebox top on 1980s and 1990s rebuilds.
Every estimate is free. Call (877) 516-7159 and we will schedule a time to look at the unit, run the camera, and give you a number you can hold us to.
Serving East Pasadena, CA — Our Local Coverage Area
We’re based in the East Pasadena area and know this community well, and we also provide Gelco in San Marino. 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
You need a Level 2. A Level 1 is a visual check and will tell you what is visible. But a 1950s East Pasadena fireplace with a Gelco insert has too much hidden to skip the camera. The smoke chamber, the flue interior, the parging, all of it sits behind the insert. The camera sees it. Skip the Level 2 and you are making a decision with half the information. Call (877) 516-7159 to book one.
The most common cause is a loose or corroded direct-vent terminal cap or intake collar. Santa Ana winds put constant pressure and vibration on the outside cap. Over time it loosens or the collar shifts, the draft reverses, and the pilot drops. Sometimes it is a dirty thermocouple. Usually it is the cap. We check the whole vent run when we see this pattern because East Pasadena wind exposure makes it a recurring issue.
Yes, in most cases. We can clean the firebox, replace gaskets and glass, service the gas valve, and repair the venting without pulling the entire fireplace out of the chase. What we cannot do is ignore a rotted chase or a firebox top that has rusted through from water entry. At that point the unit or the chase needs repair, and we will show you the camera footage so you can see why.
That depends on the condition of the firebox shell and the chimney behind it. If the Gelco insert is rusted through, the venting is compromised, or the masonry behind it is unlined and failing, repair may be throwing money away. If the shell is sound and the issue is gaskets, a valve, or a vent cap, repair is usually the right call. We will tell you which one you are looking at, with the camera evidence in front of you. Call (877) 516-7159 and we will walk you through it.
Indirectly, yes. The South Coast AQMD restricts wood burning on high-pollution days, so many East Pasadena homeowners use gas inserts more than they used to, and the original wood fireplaces less. Gas use still produces soot and carbon buildup, and the masonry behind the insert still degrades over time. Annual service is the right interval for a Gelco gas insert here, same as a wood unit. The rules change how the fireplace gets used, not whether it needs to be maintained.
Service Areas Near East Pasadena
We service all of East Pasadena and the surrounding San Gabriel Valley and Inland Empire communities. That includes homes in San Bernardino, Colton, Rialto, Loma Linda, and Rubidoux where Gelco systems are just as common and just as likely to sit inside aging masonry. If you are nearby, East Pasadena service area details apply to most of our route coverage.
For homeowners further out, we also provide Gelco service in Garnet and Gelco service in Aliso Viejo, so if you are on the edge of our coverage area, we can likely still reach you.
Book Your Gelco Service in East Pasadena Today
We service Gelco service in Sierra Madre and across East Pasadena every week. Free estimates, camera inspection included. Call (877) 516-7159 to schedule yours.
Written by Allen Prescott, Owner at San Bernardino Chimney Sweep, serving East Pasadena and the San Gabriel Valley.