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 Sweep in Woodland Hills: What to Know First
Gelco chimney sweep in Woodland Hills typically runs $189 to $329 for a standard Level 1 inspection and sweep, and we can usually book Gelco owners within 3 to 5 business days. We’re an independent Gelco service provider, not a manufacturer-authorized shop, which means we call problems as we see them and recommend what’s actually warranted, not what a parts catalog tells us to push. If you own a home in Woodland Hills with a Gelco fireplace or chimney system, this page covers what goes wrong, what it costs to fix, and what our process looks like from the first call to the final photo report. Call (559) 249-1347 for a free estimate.

How Gelco Products Fail – and How We Fix Them
- Gelco prefab fireplace refractory panels crack along the back wall. We see this constantly in Woodland Hills homes along Mulholland Drive and in the Warner Center corridor, where older tract homes from the 1960s and 1970s had Gelco zero-clearance fireplaces installed. The panels are firebrick-like sheets that line the firebox. They crack because of repeated heating and cooling cycles over decades. Once a crack opens wider than about 1/8 inch, heat reaches the metal shell behind the panel, and you’re one strong fire away from warping. We remove the damaged panel, check the metal behind it for heat damage, and source a correct Gelco replacement panel, not a universal fit that we’d need to grind down.
- Creosote builds up faster in Gelco units with restricted venting elbows. Some Gelco fireplace configurations use offset venting to route around framing, and those elbows are creosote collection points. In a Woodland Hills climate where we get damp winter mornings and dry Santa Ana stretches, creosote (the flammable tar-like residue from wood smoke) hardens in layers. A Gelco unit with two or more bends in the flue can accumulate a quarter-inch of glaze in a single burn season. We sweep those units with rotary loop tools sized for the smaller Gelco flue diameters, then run a camera to confirm the elbows are actually clean, because a visual glance from above won’t tell you anything useful.
- Gelco glass doors lose their seal and let the fire breathe wrong. The door gasket on many Gelco fireplaces is a flat fiberglass tape that flattens out after years of service. When the gasket fails, the door leaks air and the fire draws unpredictably, which throws off combustion and builds creosote faster. You’ll notice the fire seems lazy or the glass films over with black soot even after a sweep. We replace the gasket with the correct density and width for the Gelco door frame, then test the seal with the dollar-bill method before we call the job done.
- Gelco chimney caps rust out in the coastal-adjacent air of the West Valley. Woodland Hills isn’t beachfront, but we get enough marine layer push and wildfire-ash air that bare-galvanized caps on Gelco terminations give up after 10 to 15 years. A rusted cap drops debris into the flue and eventually into the firebox. We carry stainless replacement caps that fit Gelco’s standard termination footprints, and we’ll show you a photo of the old cap before we remove it, so you know exactly why we’re recommending the swap.
- Gelco fireplaces installed before 1992 sometimes lack a proper rain pan. We’ve opened up Gelco units in older Woodland Hills ranch homes and found the top of the chimney chase just open to rain, or covered with nothing more than a piece of flashing someone bent by hand. Water gets into the chase, rusts the Gelco flue pipe at the seams, and sends rust flakes down into the firebox every time the wind shifts. We inspect the chase, replace the damaged pipe section, and install a proper Gelco-compatible rain pan and storm collar. The visual difference before and after is something we always document.
Styles & brands we work with





Our Gelco Chimney Sweep Process
Here’s what happens on a Gelco chimney sweep job from the call to the invoice:
- 1
You call and talk to a live person. There’s no answering service loop at Hadley Chimney Woodland Hills. Call (559) 249-1347, tell us you have a Gelco fireplace, and we’ll ask a few questions about the unit’s age, how often you burn, and any symptoms you’ve noticed. You get a ballpark range on the call, not a mystery number.
- 2
We book a tracked window and you get live arrival updates. Our uniformed, background-checked techs arrive during the window you selected, and The Relay Visibility Guarantee means you see us coming the way you’d watch a rideshare driver on a map.
- 3
We show you a written price before anything starts. If the sweep looks standard, the price stays standard. If we see a cracked Gelco panel, a rusted cap, or creosote glaze that needs more than a basic sweep, we show you a photo and write up the exact cost of the additional work before we touch it. You decide.
- 4
We sweep and camera-inspect. We run a proper rotary sweep matched to your Gelco flue size, then we run a camera from the firebox to the termination. You’ll see the inside of your flue on our screen, and we’ll explain what you’re looking at. Cory’s line sticks here: “I’d rather show you the problem on your phone screen than hand you a bill you don’t understand.”
- 5
We perform a Level 1 or Level 2 inspection, whichever your unit calls for. Level 1 covers what’s visible during routine service. Level 2 adds attic, crawlspace, and adjacent structure checks. If your Gelco fireplace was installed before 2000 or you’ve recently bought the home, we’ll recommend Level 2 on the first visit.
- 6
You get before-and-after photos and a digital invoice you can pay from a link. Every repair we make carries a 365-Day Done Right Promise: a written guarantee, and if the repair fails within the year, we come back free. That’s not a promotion. It’s the standing commitment on every job we do.
See the difference
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After
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After
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AfterWhat Gelco Chimney Sweep Costs in Woodland Hills
Straight numbers, because you shouldn’t have to guess:
- Standard Level 1 sweep and inspection on a Gelco fireplace: $189 to $249 depending on flue height and creosote volume.
- Level 2 inspection with sweep (recommended for older Gelco units or recent home purchases in Woodland Hills): $289 to $329.
- Heavy creosote removal with rotary tools, Gelco flue: add $75 to $125 over the standard sweep price.
- Gelco refractory panel replacement (materials and labor): $340 to $580 per panel, depending on the panel size and whether the existing panel is anchored or glued.
- Gelco glass door gasket replacement: $85 to $140, parts included.
- Stainless chimney cap replacement on a Gelco termination: $210 to $380, installed.
What moves the price is flue height, creosote condition, and whether your Gelco unit needs parts that day. We’ll tell you the number before we open a tool bag. Call (559) 249-1347 for an exact quote on your Gelco system. Estimates are free.
Why Woodland Hills Homeowners Call Hadley Chimney Woodland Hills for Gelco Work
We see Gelco fireplaces in Woodland Hills all the time, from the hillside homes off Topanga Canyon Boulevard to the flat tracts south of Ventura Boulevard. Most of these units are 30 to 50 years old, and they were built well, but they need someone who actually knows how to service them without causing more damage. Our techs can identify a Gelco unit by its door hinge design and firebox dimensions before we even climb on the roof. We keep OEM Gelco parts in common sizes on the truck, and when a Gelco-specific part isn’t available or isn’t the best option, we’ll be honest about why an aftermarket equivalent from our other trusted lines (DuraFlex, HeatShield) will work as well or better. We don’t sell you parts you don’t need. We don’t push a liner replacement because a camera photo happens to look dramatic. We show you the photo, tell you what it means, and you make the call. That’s the whole model.

FAQs
Yes, if you burn wood more than a dozen times a season. Creosote builds inside the flue where you can’t see it, and in Gelco units with venting offsets, the elbows hide the worst of it. A sweep costs less than a chimney fire costs to repair, and a camera inspection gives you proof of what was actually there. Call (559) 249-1347 and we’ll get you scheduled.
If your Gelco system is still under warranty, using non-Gelco replacement parts can void the coverage on that component. We tell homeowners this straight before any parts decision. For systems out of warranty (which covers most Woodland Hills Gelco units we see), an aftermarket part from a manufacturer like DuraFlex or HeatShield often performs as well as original Gelco parts at a better price. We give you both options with real cost differences.
Once a year if you burn weekly during the winter months. Woodland Hills gets damp mornings that slow down combustion and encourage creosote glaze formation, plus Santa Ana stretches where people burn hotter and longer. Between those cycles, a Gelco fireplace collects creosote faster here than in a more stable climate. If you burn only occasionally, every other year is acceptable, but an annual inspection is worth the visit.
Most sweep jobs are one visit. If we find a cracked refractory panel or a failed gasket during the sweep, we can typically complete those repairs on the same appointment if we have the part on the truck, which we usually do for common Gelco sizes. If we need to order an uncommon panel or a specific cap, we’ll show you the photo, quote the repair, and get you booked for the follow-up within the week. You’ll know the exact number before we leave.
Creosote keeps accumulating, and in Gelco units with offset flue sections, that buildup hides where you’ll never see it from the hearth. The worst case is a chimney fire that cracks the flue liner and requires a full reline. The more common case is a panel that cracks behind the creosote, or a rusted termination that lets rain into the chase. Both are cheaper to catch early. We’ll show you the camera footage either way.
Written by Cory Mitchell, Owner & Lead Chimney Technician, Hadley Chimney Woodland Hills at Hadley Chimney Woodland Hills, serving Woodland Hills and nearby areas.