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.
Fast, Reliable Fireplace Services Across Denton
Fireplace service in Denton typically runs $180-$520 depending on whether you need a gas valve tune-up, a wood-burning system sweep and inspection, or a firebox rebuild. Most appointments are booked within a week, with our crews dispatched from our Dallas-Fort Worth coordination office to Denton addresses daily. Call (940) 290-7230 for a written estimate before any work starts.
We know Denton’s housing landscape well. The brick masonry corridors around the University of North Texas, the historic blocks near the Denton County Courthouse Square, and the post-2000 subdivisions spreading along US-380 and I-35 each present different fireplace problems. Our Fireplace Services team treats a 1960s student rental on Fry Street differently than a gas insert in a newer Lewisville-adjacent build, and we document the difference with camera footage you can see.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Why Level Two Chimney Frisco Is Denton’s Preferred Fireplace Services Company
We’ve completed more than 38,000 chimney inspections and cleanings since 2009, and a significant share of those have been in Denton County. Denton customers know our name because we show up with a camera, a written price, and a uniformed tech whose license number is on the page before they arrive. No flashlight peek and a verbal guess. Clause 4 of the Haven Standard requires a documented photo record on every job, and we’ve done that since before insurers asked for it.
Our live phone support runs 24 hours a day, 7 days a week. When you call (940) 290-7230, a person answers, not a voicemail tree. We text when your tech is en route, and we assign a named technician to your job so you know who’s walking up your driveway.
The 365-Day Done Right Promise backs every fireplace service in Denton: if it’s not done right, we make it right. No charge for the callback. And if another company handed you a written estimate, bring it to us for a Free Second Opinion. We’ll tell you exactly what we see on camera and whether their scope matches the actual condition of your flue.
Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, but our crews serve Denton locally every day. We understand the urgency that hits when a February Arctic blast is forecast and your fireplace hasn’t been inspected since the last tenant moved out.
Our Fireplace Services in Denton

Wood Burning Fireplace Service
Wood burning fireplace service in Denton runs $220-$380 for a standard Level 2 inspection, sweep, and camera documentation. In the student-rental belt around UNT and TWU, we regularly find fireplaces that haven’t drawn a flame in two or three lease cycles. The long, hot Denton summers let chimney swifts and paper wasps colonize dormant flues, and the mild winters mean tenants skip burning seasons entirely until a sudden cold snap forces first use on a flue packed with third-degree creosote. We auger the flue liner, inspect the smoke chamber with a camera, and deliver a written scope with photos before recommending any repair.

Gas Fireplace Service
Gas fireplace service in Denton typically costs $180-$280 for valve, pilot, and burner inspection, plus venting verification. Newer Denton subdivisions along the US-380 corridor more commonly feature gas inserts, but even these need annual venting checks. We verify draft, test gas pressure, and inspect the termination cap for wasp nests or storm damage. Every gas service includes a written price before work starts and a documented photo record on completion, per Clause 4 of the Haven Standard.

Fireplace Insert Installation & Service
Fireplace insert installation in Denton ranges from $2,800-$4,500 for a complete system with liner, depending on flue diameter and whether the existing firebox needs refractory panel repair. Many Denton homeowners in the older core near Courthouse Square convert drafty masonry fireplaces to efficient inserts, especially after a camera inspection reveals spalling flue tiles or a deteriorated smoke chamber. We source inserts through our Haven buying network and install with materials from HeatShield, Gelco, and Olympia Chimney. The written price includes the insert, liner kit, labor, and a one-year workmanship warranty under the 365-Day Done Right Promise.

Damper Repair & Replacement
Damper repair in Denton costs $180-$340 for a standard throat damper adjustment or replacement; top-sealing dampers run $420-$680 installed. In the 1940s-1970s masonry homes surrounding UNT, we find dampers frozen shut by rust, warped by heat, or simply never opened by tenants who didn’t know they existed. A stuck damper on first use is a carbon monoxide risk. We inspect the damper mechanism with the camera, quote the repair in writing, and replace with a properly sized unit that seals when closed and opens fully when you need the flue.

Firebox Repair
Firebox repair in Denton ranges from $340-$1,200 depending on whether you need refractory panel replacement, tuckpointing, or a full HeatShield Cerfractory foam application. The original brick fireboxes in Denton’s early-to-mid-century homes crack from thermal cycling, especially after years of tenant neglect. We document the damage with photos, quote the repair scope in writing, and never recommend rebuild work you can see isn’t necessary.

Fireplace Conversion
Fireplace conversion in Denton, typically wood-to-gas or gas-to-ventless, runs $1,800-$3,800 depending on gas line routing and venting requirements. Conversions in Denton’s older rental stock require special attention to shared masonry stacks and proper flue separation. We pull permits when required, run new gas lines to code, and verify that your converted fireplace vents safely without cross-contaminating a neighbor’s flue path.

Before
AfterTrusted Brands We Service in Denton
We stock parts and materials from HeatShield, Gelco, and Olympia Chimney through our Haven buying network, which means Denton customers get honest pricing without the markup of special-order delays. When a damper fails on Avenue D or a cap blows off near TWU, we typically have the replacement on the truck. For firebox repairs, HeatShield Cerfractory foam lets us resurface cracked masonry without a full rebuild. Gelco caps and Olympia Chimney liner kits are our standard for insert conversions and relining jobs. Materials are procured specifically to keep customer prices honest, not to inflate the ticket.
Common Fireplace Services Problems We See in Denton Homes

- Shared-stack cross-contamination in rental corridors. In the dense blocks around UNT, a single masonry stack often serves multiple units. When a flue divider fails or was never properly installed, your neighbor’s gas water heater or furnace vents into your fireplace flue. We find this with the camera, document it, and install a proper cap and liner separation so each appliance vents independently.
- Third-degree creosote on first cold-snap burn. Denton’s mild winters mean fireplaces sit unused for one or two full seasons. When an Arctic blast arrives, tenants light the first fire on a flue glazed with hardened, fuel-saturated creosote. This is the most dangerous first-use scenario we encounter, and it’s concentrated in Denton’s student rental market in a way Flower Mound or Lewisville simply don’t experience.
- Wildlife and insect obstruction in dormant flues. The long, hot, dry Denton summers allow chimney swifts and paper wasps to build nests between October and November. By August turnover, a flue may contain multiple seasons of compressed debris. We remove it, inspect for damage, and install a screened cap to prevent re-entry.
- Frozen or missing dampers assumed functional by incoming tenants. Landlords near campus rarely include fireplace inspection on the turnover checklist. A tenant assumes the lever works, lights a fire, and gets smoke pouring into the living room because the damper never opened. We test, repair, or replace, and show you the camera footage of the fix.
Pricing for Fireplace Services in Denton, TX
| Service | Typical Range in Denton |
|---|---|
| Gas fireplace service (valve, pilot, vent check) | $180 - $280 |
| Wood burning fireplace sweep + Level 2 inspection | $220 - $380 |
| Damper repair or replacement | $180 - $680 |
| Firebox repair (refractory panels, tuckpointing) | $340 - $1,200 |
| Fireplace insert installation | $2,800 - $4,500 |
| Fireplace conversion (wood-to-gas) | $1,800 - $3,800 |
What moves the price: flue accessibility (steep roof pitch on older Denton homes adds time), the condition of the existing liner, whether we find shared-stack separation issues, and whether parts are in stock or need to be ordered. We deliver a written price, written scope, and written warranty before any work starts. Clause 1 of the Haven Standard, H.A.V.E.N. “Have it in writing,” means you never get a surprise invoice. Estimates are free. Call (940) 290-7230 to schedule.
Denton’s Unique Fireplace Risk: The Student-Rental Stack Problem

Denton’s massive student population at the University of North Texas has created a dense belt of aging 1940s-1970s rental homes near campus whose fireplaces sit unused for years and are almost never inspected between tenant turnovers. When a rare but severe North Texas Arctic blast arrives, landlords and students fire up long-neglected chimneys caked with creosote and wildlife debris, creating a safety crisis and demand spike that neighboring suburbs like Flower Mound or Lewisville simply don’t experience in the same concentrated, rental-driven way.
In this zone, a single job routinely requires two flues on one stack: the main fireplace plus a gas appliance vent. Shared-stack cross-contamination is a normal finding, not a surprise. On a late-August turnover on Avenue A near UNT, our tech opened the damper on a 1950s brick fireplace and found third-degree creosote glazing the smoke chamber above a bird nest and old wasp comb, with the neighbor’s water heater venting into the same stack. We pulled the Gelco cap, augered the flue liner, and installed a HeatShield smoke chamber repair with a new chimney cap to separate the shared flue path. The incoming tenants got a documented Level 2 inspection and a fireplace that drafts correctly instead of pushing exhaust into the house.
This is why Denton fireplace service requires local knowledge. A tech who doesn’t expect shared stacks, compressed multi-season creosote, and August turnover rushes won’t bring the right equipment or ask the right questions.
We Also Serve Cities Near Denton
Our crews work daily in Flower Mound, Frisco, Lewisville, and The Colony. Each city has different housing stock and different fireplace risks. Flower Mound’s newer construction sees more gas insert maintenance; Lewisville’s lake-adjacent homes deal with wind-driven moisture damage; The Colony’s townhome density creates its own venting challenges. We adjust our inspection approach accordingly, but the Haven Standard stays the same: written price first, camera documentation always, Done Right Promise on every job.
Serving Denton, TX - Our Local Coverage Area

We’re based in the Denton 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 - Fireplace Services in Denton
Yes. In Denton’s student-rental corridors, two years of disuse almost always means bird nests, wasp comb, or third-degree creosote in the flue, plus a damper that may be frozen shut. We inspect these systems weekly during August turnover and find serious obstructions in more than half. Call (940) 290-7230 for a free estimate - the inspection itself is quick, and you’ll have written documentation for your landlord.

Yes, and we find this regularly in the dense rental blocks near UNT and Courthouse Square. When a flue divider cracks or was never properly installed, your neighbor’s gas water heater or furnace exhaust can migrate across the stack and back-draft through your fireplace. Our camera inspection identifies cross-contamination, and we separate the flue paths with proper liners and caps. Bring us any written estimate from another company for a Free Second Opinion.

Three common causes in Denton: a damper that was never opened or is stuck closed; a flue blocked by summer wildlife nests; or third-degree creosote that ignites on first burn and restricts draft. All three are preventable with annual inspection. The first cold snap after skipped seasons is when we get the most emergency calls. Schedule before the forecast turns - call (940) 290-7230.

Third-degree creosote is a hard, glossy, tar-like glaze that coats the flue liner and smoke chamber. In Denton rentals, it forms when tenants burn unseasoned wood or run hot, fast fires in cold flues, then abandon the fireplace for a full season or more. It looks like black glass and cannot be removed with a standard brush - we use rotary chains or chemical treatment. The camera footage shows exactly what we’re dealing with before we quote the removal.

Especially then. The long, hot Denton summers allow chimney swifts and paper wasps to colonize uncapped flues between October and November. By the time an Arctic blast hits, your flue may be fully obstructed. A screened Gelco cap with proper sizing prevents entry while maintaining draft. We include cap condition in every Level 2 inspection and quote replacement in writing if yours is missing or damaged.
Ready to book? Call (940) 290-7230 for a free written estimate. Every fireplace service in Denton includes a camera-scan inspection, documented photo record, and the 365-Day Done Right Promise. Corrine Halstead and our team will answer your call live, assign a named technician, and deliver your written price before anyone starts work.
Written by Corrine Halstead, Owner at Level Two Chimney Co., serving Denton and North Texas since 2009.






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