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 Chimney Cleaning & Sweep Across Westminster
Chimney cleaning and sweep in Westminster, CO typically runs $189-$349 for a standard service, with Level 2 camera inspections starting at $279 and full creosote removal ranging $249-$449 depending on buildup severity. Our crews are dispatched from the Denver office and cover Westminster neighborhoods from Shaw Heights to the Orchard Town Center corridor, usually booking within 3-5 business days during peak season. Call (720) 439-4666 for a written estimate before anyone schedules.
We’ve been routing trucks through Westminster since 2009, and by now we know the city’s housing stock cold: ranch and split-level tract homes built between the mid-1970s and mid-1990s, almost all with factory-built zero-clearance fireplaces instead of masonry. That matters because these metal flue systems age differently than brick, and at Westminster’s 5,300-foot elevation, they accumulate creosote faster than the same unit would in Lakewood or Aurora. Our Chimney Cleaning & Sweep team doesn’t just brush flues; we document what we find with a camera, put the price in writing before work starts, and leave you with photos you can show an insurer or home inspector.
Why Level Two Chimney Littleton Is Westminster’s Preferred Chimney Cleaning & Sweep Company
We’ve completed more than 38,000 chimney inspections and cleanings since 2009, and a significant share of those have been in Westminster’s 1970s-1990s subdivisions. Homeowners here don’t want a flashlight-and-mirror inspection; they want to see the flue liner on a screen, understand the creosote class, and know exactly what it’ll cost before someone climbs their roof. That’s what we deliver.
Our Westminster customers consistently mention the same things in reviews: the text alert when the tech is en route, the uniformed technician who shows license credentials at the door, and the written scope with a fixed price before any work begins. The 365-Day Done Right Promise backs every job, and our Free Second Opinion policy means you can bring us any competitor’s written estimate for an honest comparison.
Response time to Westminster averages 3-5 business days for standard sweeps during burning season, though we maintain 24/7 live phone support year-round. Dispatch is coordinated from our Denver office, but the crew serving your Westminster home is the same background-checked, uniformed team that handles the rest of the metro area. We know the difference between a Westminster split-level near 120th and a ranch off Federal Boulevard, and we know both likely share the same factory-built flue system that’s now pushing 40-50 years old.
Our Chimney Cleaning & Sweep Services in Westminster

Level 1 Inspection
A Level 1 inspection is the baseline annual check for Westminster homeowners who burn regularly and haven’t changed their system. We examine the readily accessible portions of your chimney, appliance, and connection. In Westminster, this usually means a factory-built metal chase with a rust-prone chase cover and refractory panels that crack with thermal cycling. We document condition with photos, note any creosote accumulation, and give you a written report. If everything checks out, we sweep and you’re set for the season. Cost: $189-$249.

Level 2 Inspection
Level 2 is what most Westminster homes actually need, especially at sale, after a chimney fire, or when you’ve never had a camera down the flue. Under NFPA 211, this requires internal inspection of all flue surfaces - and under Clause 4 of the Haven Standard, we include a documented photo record on every visit, running continuously since 2009. Our tech runs a high-resolution camera the full length of your flue liner, capturing the smoke chamber, firebox panels, and any joints or offsets. In Westminster’s attached tract homes, this often reveals the real problem: a shared chase where your neighbor’s furnace flue terminates inches from your fireplace flue, or a metal liner so glazed with third-degree creosote that brushing alone won’t touch it. We show you the footage, explain what it means, and deliver a written price before proposing any work. Cost: $279-$349.

Creosote Removal
Westminster’s altitude makes this service critical. At 5,300 feet, reduced oxygen means wood fires burn cooler and less completely, accelerating the formation of glazed creosote - the hard, tar-like third-degree buildup that standard wire brushes can’t remove. We see it constantly in Westminster’s aging zero-clearance systems, especially in homes near Standley Lake and the Legacy Ridge area where homeowners burn for ambiance through long winter evenings. Our rotary sweep system uses a DuraFlex-compatible whip to mechanically de-glaze the liner, followed by a HEPA vacuum and camera verification. For severe cases, chemical treatment may be needed before mechanical removal. Cost: $249-$449 depending on severity and liner length.

Soot Removal
Light soot accumulation is normal; heavy soot indicates poor combustion, wrong fuel, or a system that’s not drafting properly. In Westminster, we often trace excess soot to Chinook-driven pressure reversals that disrupt normal airflow, or to homeowners burning unseasoned wood because they didn’t plan ahead for October’s first cold snap. We remove the deposit, inspect for underlying causes, and document whether your flue is clear or needs deeper intervention. Cost: $189-$289 when bundled with inspection.

Annual Sweep
The NFPA recommends annual inspection; for Westminster’s wood-burning households, we recommend a full sweep and Level 1 or 2 inspection every year before burning season. Given your elevation and the prevalence of 40-50 year old metal flue systems, skipping a year can mean glazed creosote that requires expensive rotary removal instead of routine brushing. We schedule Westminster sweeps from August through October to beat the rush, and we send reminder texts so you don’t have to remember. Cost: $189-$279.

Fireplace Cleaning
Factory-built fireplaces in Westminster homes have refractory firebox panels that crack, metal chase covers that rust, and sealants that degrade. Our fireplace cleaning includes the firebox, smoke chamber, and accessible damper assembly, with photos of any panel damage or seal failure. If we find cracked refractory or a rusted chase cover, we quote replacement using HeatShield or Gelco materials - sourced through our Haven buying network - before any work proceeds. Cost: $189-$349 depending on condition.

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.
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AfterTrusted Brands We Service in Westminster
We stock parts and materials from HeatShield, Gelco, and Olympia Chimney, procured through the Haven buying network specifically to keep Westminster customer prices honest. HeatShield handles refractory panel restoration and smoke chamber parging in aging zero-clearance units; Gelco manufactures chase covers and caps sized for Westminster’s common factory-built chase dimensions; Olympia Chimney supplies Class A metal flue pipe and components for liner replacement when original systems fail. Because we carry inventory rather than ordering per job, most Westminster repairs that surface during a sweep can be completed same-visit rather than rescheduled.
Common Chimney Cleaning & Sweep Problems We See in Westminster Homes

- Shared flue chases in attached homes. Westminster’s 1970s-1990s tract construction often placed two or more flues inside a single chase, separated by thin metal or refractory dividers. A neighbor’s furnace can pressurize the shared space and push exhaust or creosote odor into your firebox even when your flue tested clean. Our Level 2 camera inspection identifies the configuration, and a cap upgrade with proper termination height usually resolves the cross-contamination.
- Cracked refractory panels and rusted chase covers on 40-50 year old factory-built units. These systems were designed for 20-30 years of service. We regularly find heat-damaged panels in Westminster homes near The Ranch Country Club and in the original Shaw Heights subdivisions, where original fireplaces have never been rebuilt. A routine sweep becomes a safety-critical repair when panels are compromised.
- Chinook-driven backdraft events. Westminster’s sudden warm downslope winds create negative pressure differentials that make chimneys draw backward. Homeowners call us mid-winter convinced their flue is clogged, but the camera shows a clean liner. The fix is usually a taller cap, a sealed damper, or removal of an obstruction - not another sweep.
- Third-degree glazed creosote from altitude-reduced combustion. At 5,300 feet, incomplete burns deposit glazed tar faster than in Denver or Aurora. We’ve pulled liners in Westminster homes that looked fine from the top but were 1/4-inch glazed below the smoke chamber - a fire hazard that annual brushing alone won’t prevent.
Pricing for Chimney Cleaning & Sweep in Westminster, CO
We publish ranges because we believe a written price before work starts is the minimum standard, not a premium feature. Here’s what Westminster homeowners typically pay:
- Level 1 Inspection + Standard Sweep: $189-$249
- Level 2 Camera Inspection: $279-$349
- Creosote Removal (routine to moderate): $249-$349
- Creosote Removal (severe, glazed, requiring rotary or chemical): $349-$449
- Annual Sweep (return customer, known system): $189-$229
- Fireplace Cleaning with panel inspection: $189-$349
Factors that move you within these ranges: liner length and accessibility, creosote class (powdery soot vs. glazed tar), whether we find cracked panels or rusted components that need addressing, and whether your chase requires a cap upgrade to stop backdraft. We never upsell. If your system is clean and sound, we say so, document it, and charge accordingly. Estimates are free. Call (720) 439-4666.
We Also Serve Cities Near Westminster

Our crews regularly work in Arvada to the west, Wheat Ridge to the south, Golden to the southwest, and Aurora to the southeast. Each city has distinct housing stock and elevation effects; Chimney Cleaning & Sweep in Westminster remains our focus here, but we’re happy to quote any of these neighboring markets with the same written-price, camera-documented standard.
Serving Westminster, CO - Our Local Coverage Area
We’re based in the Westminster 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 - Chimney Cleaning & Sweep in Westminster

Yes, and it’s more common in Westminster than in masonry-dominated older cities. The shared chases in 1970s-1990s tract homes here often have inadequate separation between flues, and pressure from a neighbor’s furnace can force exhaust into your firebox. Our Level 2 camera inspection maps the chase configuration, and a properly sized cap with adequate termination height usually eliminates the cross-contamination. Call (720) 439-4666 if you’re smelling odors when your neighbor’s heat cycles on.
Those are Chinook events - sudden warm downslope winds that create sharp pressure and temperature swings unique to the Front Range. A flue that drafts perfectly in calm conditions can reverse when exterior pressure drops rapidly. The problem is rarely a dirty flue; it’s usually an undersized cap, a partially blocked termination, or a house that’s too tight for the chimney’s natural draw. We diagnose this with draft testing during our inspection, then quote a cap upgrade or sealing solution. Call (720) 439-4666 for an exact diagnosis.
Yes. Reduced oxygen at Westminster’s elevation causes wood to burn cooler and less completely, which produces more unburned hydrocarbons that condense as creosote inside the flue. The effect is measurable: we see third-degree glazed creosote in Westminster systems that would still carry light soot at 4,000 feet. Annual sweeping is not optional here if you burn regularly. Call (720) 439-4666 to schedule before buildup becomes unbrushable.
Four things: the refractory firebox panels for cracks or spalling, the metal chase cover for rust and proper drainage, the flue liner for creosote class and any gaps or separations, and the termination cap for adequate height and mesh condition. These 40-50 year old units are past design life, so we also check whether the manufacturer still supports replacement parts. We document everything with photos under Haven Standard Clause 4. Call (720) 439-4666 for a Level 2 inspection that covers all four points.
Yes, for two Westminster-specific reasons. First, altitude and Chinook moisture cycling corrode metal chase covers and degrade seals even without active use. Second, many homeowners here use their factory-built fireplace only for occasional ambiance - but those infrequent, cooler burns actually produce more creosote per hour than hot, efficient fires. An annual Level 1 inspection catches deterioration before it becomes a leak or backdraft hazard. Call (720) 439-4666; estimates are free.
Ready to see what’s actually inside your flue? Call Level Two Chimney Littleton at (720) 439-4666 for a free written estimate. We’ll run the camera, show you the footage, and give you a fixed price before any work begins - backed by the 365-Day Done Right Promise and documented under Haven Standard Clause 4.
Written by Corrine Halstead, Owner at Level Two Chimney Co., serving Westminster and the Denver metro area since 2009.





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