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 Highlands Ranch, CO
We provide independent Gelco service across Highlands Ranch, from the townhomes near Town Center to the single-family tracts off University Boulevard. What makes our Gelco work here different comes down to one thing: we treat the exterior chase as the likely source of the problem before we ever suspect the firebox. Gelco chimney caps and prefab venting systems are dependable when they’re sealed and intact, and most of the failures we find on Highlands Ranch homes start on the outside of the house, not the inside. Our technicians have up to 15 years of experience with factory-built fireplaces, direct-vent flues, and builder-grade gas fireboxes.
Call (833) 749-6226 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Highlands Ranch Residents Choose Us for Gelco Service
We’re an independent Gelco service provider, which means we’re not tied to the manufacturer and not authorized by them. That independence works in your favor. We diagnose what’s actually failing in your chase, cap, or flue and give you a straight assessment of whether it can be repaired or needs replacement. We’re not here to sell you a new fireplace system.
Highlands Ranch is full of homes built by production builders in the 1990s and early 2000s, and those Gelco direct-vent and B-vent installs are now hitting their first real maintenance cycle. We see the same handful of problems repeatedly: wind-damaged caps, split chase seams, dried-out gaskets. Because we know these systems, we can usually tell within an inspection whether a component is repairable or whether the firebox or flue is compromised enough to justify replacement.
We use OEM Gelco-spec caps, gaskets, refractory panels, and vent components where fit and safe venting matter, and quality aftermarket parts where they meet the same standard. Every service begins with a Level 2 inspection so we can show you what we found before we recommend anything. That’s how we work in Highlands Ranch.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common Gelco Chimney Cleaning Problems We Solve in Highlands Ranch
These are the Gelco issues we run into most often on Highlands Ranch homes. Most of them trace back to the exterior chase, the long heating season, or both.
- Rusted or UV-degraded chase caps and vent terminations. Highlands Ranch’s strong Chinook-style winds off the foothills beat on exterior caps year after year. When a cap rusts through or its seal fails, snow and wind-driven debris get into the direct-vent flue. That’s the most frequent problem we find on homes that still look new from the curb.
- Failed chase-cover sealant and flashing seams. Freeze-thaw cycling opens seams in the chase cover and flashing. Once water gets behind that seal, it reaches the prefab flue and rusts components from the inside. Resealing the chase is often the whole repair.
- Cracked refractory panels, warped grate bars, deteriorated gaskets. Long Front Range heating seasons mean Gelco gas and prefab fireboxes run hard for months. Refractory panels crack, gaskets dry out, and grates warp. These are wear items, and replacing them is usually simpler than homeowners expect.
- Sticking or seized dampers. A damper that won’t open or close properly is common on builder-grade fireplaces that go uninspected for years. It’s a small fix that affects how the whole unit performs and vents.
- Burner and valve issues on Gelco gas fireplaces. Builder-grade gas fireplaces often sit unused or run without inspection for a long stretch. When they finally get checked, burners are dirty, valves stick, and the flame pattern is off. We diagnose and address these as part of the service.
Gelco Service in Highlands Ranch: What Local Conditions Mean for Your Equipment
On a Gelco direct-vent or B-vent system in Highlands Ranch, the firebox is rarely the culprit. The exterior chase enclosure is. High winds coming off the foothills and the freeze-thaw cycles that define this stretch of the Front Range work on chase covers, caps, and flashing seams, and they work on them relentlessly. A seam that opens a fraction of an inch lets meltwater in. That water reaches the prefab flue, and over a winter or two you’ve got rust staining near the cap, a draft you can’t explain, or water on the firebox floor after snowmelt. On homes throughout Highlands Ranch, including the tracts near Town Center and along University Boulevard, these are builder installs from the 1990s and early 2000s. They’re not old masonry that needs brick sweeping. They’re contractor-grade prefab systems that need component-level venting and chase repair. Once we understand that, the service approach changes. We start at the roof and work inward.
Gelco Models & Products We Service in Highlands Ranch
We service the full range of Gelco fireplace and venting systems found in Highlands Ranch homes. That includes Gelco direct-vent gas fireplaces from the builder-grade 1990s and early 2000s installs, Gelco B-vent prefab fireboxes with exterior chase enclosures, Gelco factory-built wood-burning prefab fireplaces, and Gelco vented gas log sets installed in builder fireboxes. For each system, we inspect the chase cover, cap, flashing, flue, gaskets, and firebox components. We choose parts by fit and safety standard. Where an OEM Gelco-spec cap, gasket, refractory panel, or vent component is the right match, we use it. Where a quality aftermarket part meets the same standard, we use that instead. The goal is a system that vents correctly and holds up to Highlands Ranch weather. We don’t stock or carry parts locally. We source what the specific repair requires.
See the difference
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After
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AfterGelco Service Pricing in Highlands Ranch
Pricing for Gelco service in Highlands Ranch depends on what we find. A standard sweep and inspection on a prefab system is one thing. A cap replacement, chase-cover reseal, or chase flashing repair adds labor and materials. Refractory panel or gasket replacement on a Gelco gas firebox adds parts. Every estimate is free, and the written estimate sets the final price. It’s based on the actual scope of the work, not a phone quote or a flat rate that ignores what your particular system needs.
What’s included in your free estimate: a Level 2 inspection of the chase, cap, flue, and firebox; photos of what we find; and a written scope of what needs attention and what can safely wait. We don’t recommend work without evidence you can see for yourself. Call (833) 749-6226 for your free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Serving Highlands Ranch, CO – Our Local Coverage Area
We serve Highlands Ranch and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Gelco Chimney Cleaning in Highlands Ranch
No, a rusty cap alone is not a reason to replace the fireplace. Rust at the cap usually means the cap or its seal has failed, not the firebox or flue. We inspect the cap, chase cover, flashing, and flue to see how far the water intrusion has gone. If the firebox and flue are sound, we replace the cap and gasket, reseal the chase, and clear the flue. Replacement only comes up when the firebox or flue itself is compromised. Call (833) 749-6226 for an exact quote. Estimates are free.
Water enters through the exterior chase, not the visible parts of the house. Highlands Ranch wind events and freeze-thaw cycling open chase-cover seams, flashing joints, and cap seals. The house looks fine from the curb because the failure is at the roofline, often hidden behind a chase cover. A Level 2 inspection finds the entry point and we repair it. Call (833) 749-6226 to book an inspection.
A Level 2 inspection is the right starting point for most Gelco systems in Highlands Ranch. It covers the chase, cap, flashing, flue, and firebox, which is where these builder installs tend to fail. A Level 1 visual check is adequate for routine maintenance on a system with a known, clean history. We’ll tell you which one your system needs. Call (833) 749-6226 for an exact quote – estimates are free.
Plan on an annual inspection and cleaning for a Gelco prefab fireplace used regularly through the heating season. Highlands Ranch winters are long enough that gas and prefab fireplaces run heavily for months, and the wind and freeze-thaw wear on the chase happens every year. Annual service catches cap, gasket, and seal failures before water intrusion does deeper damage. Call (833) 749-6226 to schedule yours.
In many cases, yes, but the answer depends on the firebox rating, venting configuration, and what the manufacturer allows for that specific unit. We inspect the system and tell you what’s possible without compromising safe venting. We don’t guess, and we won’t recommend a conversion the firebox can’t support. Call (833) 749-6226 for a free estimate.
Service Areas Near Highlands Ranch
From Highlands Ranch we also serve homeowners in Littleton, Centennial, Lakewood, Denver, and Aurora. If your Gelco fireplace is in a neighboring community, our technicians cover the broader south metro and Front Range. See our Littleton and Centennial service pages for Gelco work in those areas.
Book Your Gelco Service in Highlands Ranch Today
If your Gelco fireplace needs a Level 2 inspection, a cap replacement, or chase cover and flashing repair, call (833) 749-6226. The estimate is free, the written scope sets the price, and we repair what we find. We answer 24/7 with fast dispatch from 7am to 7pm, Sunday through Friday. For more on our Gelco work, visit our Gelco service page.
Written by the team at Grafton Chimney Sweep.