Level 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 Ashburn, VA | Level Two Chimney Leesburg
We provide independent Chimney Cleaning & Sweep - Ashburn, inspection, and repair across Ashburn, Virginia. The one thing that makes our Gelco work here different: we see the same four or five failures on entire streets of identical homes because Ashburn’s planned communities were built in waves, and those waves are now aging out simultaneously. If your Gelco fireplace is 15 to 25 years old, we already know what it’s likely doing before we ring the bell. Call (571) 601-3174 for a written estimate.

Why Ashburn Residents Choose Us for Gelco Service
We’re not manufacturer-authorized and we don’t claim to be. We’re an independent Gelco service provider, which means we can be blunt about what those factory-built systems actually do after two decades in Ashburn’s climate. Our technicians work on Gelco sales & service calls weekly, pulling apart chase covers and firebox panels in Broadlands, Brambleton, Ashburn Farm, and Lansdowne. That repetition matters because Gelco units fail in patterns. Once you’ve seen the same rusted chase cover on the fourth identical colonial in a month, you know exactly what to look for on the fifth.
Corrine Halstead, our owner, has spent years working through every flue configuration the Northeast and the Virginia Piedmont could throw at her. She trained in building trades and heating systems at Queensborough Community College before moving south, and she still insists on showing customers the camera footage herself before any paperwork moves. “The camera doesn’t lie, and neither does the price I write down before I start.” Every Gelco job in Ashburn starts with a written price, a written scope, and a documented photo record. That’s Clause 4 of the Haven Standard, and it’s been our practice since 2009.
Common Gelco Chimney Cleaning Problems We Solve in Ashburn

- Rusted-through chase covers: Ashburn’s humid summers are brutal on the thin galvanized steel Gelco used on chase tops. Water drips onto the firebox below, and homeowners usually notice a musty smell or damp drywall near the chase before they see any exterior rust.
- Cracked ceramic firebox panels: Those 15-to-30-year-old Gelco units have been through hundreds of heating cycles. Ashburn winters push temperatures into the teens, and repeated expansion and contraction eventually spalls the ceramic panels. We find hairline cracks that homeowners can’t see without pulling the logs.
- Seized dampers: Gelco dampers warp over time. A damper that won’t close lets conditioned air leak up the flue all summer. In Ashburn’s humid August, that means your AC works harder and your living room smells faintly of old smoke.
- Deteriorated metal flue liners: Acidic creosote buildup from long burn seasons eats at Gelco’s metal liners. By the time a sweep finds Class III creosote, the liner often has pitting or thinning that a camera scan will document clearly.
- Silicone-and-screw chase cover installs: Early-2000s Gelco units in Ashburn’s Broadlands and Brambleton neighborhoods were installed with four sheet-metal screws and a bead of silicone. Twenty years later, the covers rust through at the screw holes first. We replace entire streets’ worth of these in the same month.
Before
AfterGelco Service in Ashburn: What Local Conditions Mean for Your Equipment
Here’s the thing about Ashburn that doesn’t show up on a generic service page. This town developed almost entirely after 1990 through rapid planned communities. Ashburn Farm, Broadlands, Brambleton, Lansdowne-these neighborhoods went up in phases, with hundreds of near-identical homes permitted and built in the same two-to-three-year windows. That means the Gelco fireplace in your living room has the same birthday as the ones three doors down, and they’re all hitting the same failure point at roughly the same time. In Broadlands and Brambleton specifically, the Gelco chase covers from the early 2000s were installed with only a bead of silicone and four sheet-metal screws. After 20 years, the covers rust through at the screw holes first. We get calls from an entire street within the same month. That pattern does not happen in Leesburg, where the housing stock is older, more architecturally varied, and mostly masonry. Ashburn is a prefab-chassis town, and the chassis is now showing its age.
Gelco Models & Products We Service in Ashburn

We clean, inspect, and repair the Gelco GC Series, GF Series, CH Series, and ZC Series factory-built fireplace systems. That covers most of what was installed in Ashburn’s late-1990s through early-2010s builds. Our parts approach is straightforward: we install OEM Gelco components when they’re available because original fit and fire-safety ratings matter. But we also stock premium aftermarket parts-stainless-steel chase covers and universal ceramic panels-when the aftermarket metallurgy or thickness outperforms what Gelco originally shipped. A stainless multi-flue cap will outlast a galvanized one by decades. We’ll tell you honestly which makes sense for your unit, and we’ll show you the price difference in writing before any work starts.
For our Chimney Repair in Ashburn, we keep common Gelco components on the truck: ceramic firebox panels, damper assemblies, and chase cover hardware. Most single-visit repairs don’t require a second trip.
Gelco Service Pricing in Ashburn
Chimney cleaning and a full camera inspection for a Gelco prefab system in Ashburn typically runs $265 to $425. If we’re also replacing a chase cover, expect $500 to $1,250 depending on size and whether you go galvanized or stainless. A ceramic firebox panel replacement runs $180 to $450 including labor. Damper repair or replacement lands between $150 and $575. Those are real numbers, not bait. Every quote is written, scoped, and priced before anyone starts, and every visit includes the camera-scan photo record. Call (571) 601-3174 for a free estimate on your specific unit.
Serving Ashburn, VA - Our Local Coverage Area

We’re based in the Ashburn 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 Ashburn
That musty spring smell is almost always water. Your Gelco chase cover has likely rusted through at a seam or screw hole, and water is dripping onto the firebox or the surrounding framing. Ashburn’s humid summers accelerate the rust, but you smell it in spring because trapped moisture warms up and releases odor. We’ll pull the cover and show you the camera footage of exactly where water is getting in. Call (571) 601-3174 to schedule an inspection before the damage spreads.
Every year, before the burning season starts in November. The NFPA 211 standard recommends annual inspection, and that’s especially true in Ashburn where Gelco units run hard from November through March. A yearly inspection catches a rusted chase cover or a hairline panel crack before it becomes a full firebox replacement. Annual cleaning follows the same rhythm: after 15 to 20 years of use, creosote builds faster and the metal liners are more vulnerable to acid damage.
You can almost always replace just the panel if the rest of the firebox structure is sound. Gelco ceramic panels are designed to be replaceable. We’ll inspect the full firebox with the camera before giving you a repair-versus-replace answer, and we’ll show you the footage that supports it. If the structural framing or the flue liner is compromised, we’ll say so plainly. If a new panel fixes it, we won’t upsell you into a new firebox. Call (571) 601-3174 and we’ll look at your specific unit.
Usually we access the flue from the top of the chase, which does require ladder work. Gelco prefab systems vent through a chase, not a traditional masonry chimney, but the chase cover still needs to come off or be accessed to clean the flue properly and inspect the termination. We don’t cut corners by cleaning only from the firebox side. Every Gelco cleaning in Ashburn includes a top-down inspection of the chase cover because that’s where the water problems start.
Two reasons: Ashburn’s warm, humid summers, and the installation method used on early-2000s builds. The original galvanized steel covers were thin, and in Broadlands and Brambleton they were often installed with only four sheet-metal screws and a silicone bead. Galvanized steel rusts fastest at the screw holes, and humid air does the rest. After 20 years, those covers are done. We replace them with stainless steel, which costs more up front but won’t rust through the same way. Call (571) 601-3174 for a quote on your chase cover.
Service Areas Near Ashburn

We serve Ashburn and the surrounding corridor, including Gelco service in Sterling, Gelco service in Leesburg, Herndon, South Riding, and Great Falls. If you’re in one of Ashburn’s HOA communities, we know the standard Gelco layouts well. If you’re further out in Ashburn service area coverage, call us and we’ll confirm availability.
Book Your Gelco Service in Ashburn Today
If your Gelco fireplace is 15 years old or older and hasn’t been inspected recently, the odds say you’ve got a rust question waiting to be answered. We’ll show you the camera footage, write you a price, and do the work right the first time. Call (571) 601-3174 for a free estimate.
Written by Corrine Halstead, Owner at Level Two Chimney Leesburg, serving Ashburn since 2009.





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