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 McHenry
A professional chimney cleaning and sweep in McHenry typically runs $189-$289 for a standard annual service, with Level 2 camera inspections starting at $279 and creosote removal for wood-stove-heavy flues ranging $240-$420 depending on buildup severity. Most McHenry appointments are scheduled within 3-5 business days, with our crews dispatched from the brand’s Chicago office and routed specifically to cover the Chain O’Lakes corridor and Fox River properties.
We know McHenry’s chimneys because we’ve been inside thousands of them since 2009. The converted cottages off Riverside Drive, the postwar ranches near Route 120, the 1990s subdivisions west of the river - each generation of housing here carries a different chimney risk, and we treat them accordingly. Our Chimney Cleaning & Sweep team arrives with a written price in hand before any work starts, a camera to document what we find, and the Haven Standard Clause 4 photo record you’ll receive before we leave. Call (331) 200-4445 to book or get your written estimate.
Why Level Two Chimney Hoffman Estates Is McHenry’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 McHenry County. Homeowners here don’t want a sales pitch. They want to see the creosote class on their flue liner, the crack pattern in their crown, and a written price they can compare. That’s what we deliver.
Our McHenry customers consistently mention the same things in their feedback: the tech named in their confirmation text actually shows up, the camera footage is reviewed with them on-site, and the written scope matches the final invoice. No add-ons after the fact. The 365-Day Done Right Promise backs every job - if it’s not done right, we make it right, period.
Response time matters for wood-stove-primary homes in McHenry, where a blocked flue or failed liner means no heat. We route crews to McHenry daily from our Chicago-area dispatch, and live phone support runs 24/7 - a real person, not a voicemail tree. When you’re burning nightly through a McHenry winter, that accessibility isn’t a luxury. It’s the difference between sleeping cold and sleeping warm.
Our local knowledge runs deeper than zip codes. We know which McHenry cottage conversions still carry unlined or partially lined chimneys from the 1930s, where the Fox River floodplain accelerates mortar deterioration, and why a chimney that passed inspection in October can be hazardous by February if the wood stove never goes cold. That specificity is what McHenry homeowners pay us for.
Our Chimney Cleaning & Sweep Services in McHenry

Level 1 Inspection
A Level 1 inspection is the baseline visual check required annually for chimneys in regular service with no changes to the appliance or fuel type. In McHenry, this suits the factory-built zero-clearance fireplaces common in 1990s-2000s tract developments west of the river - systems with intact stainless liners and no history of water intrusion. We examine readily accessible portions of the chimney exterior, interior, and connection, then document findings with photos under Haven Standard Clause 4. A Level 1 in McHenry runs $189-$229, and if we spot anything that needs the camera, we’ll tell you before we proceed.

Level 2 Inspection
Level 2 inspection is our default for most McHenry properties, and for good reason. NFPA 211 requires a camera scan of the entire flue liner, smoke chamber, and accessible portions of the appliance and connection whenever a property changes hands, after a chimney fire or weather event, or when switching fuel types. In McHenry, it’s also the necessary starting point for any converted cottage chimney now running a wood stove or gas insert as primary heat.
McHenry’s 1920s-1950s Chain O’Lakes and Fox River cottages were built with unlined or minimally lined chimneys meant for occasional weekend fires, not the daily wood-stove winter heat loads many now carry. That makes Level 2 inspection and relining the norm here, unlike Crystal Lake or Woodstock where fully lined postwar chimneys dominate. Our camera finds what a flashlight can’t: cracked terracotta, shifted flue tiles, gaps at the smoke chamber, and the creosote accumulation patterns that tell us whether your burning practice is building a fire hazard. Level 2 inspection in McHenry runs $279-$349, includes full photo documentation, and comes with a written scope and price before any repair work is discussed.

Creosote Removal
Creosote forms in three classes, and McHenry’s wood-stove-primary cottages see more Class II and Class III buildup than almost anywhere else we serve. First-degree creosote is flaky soot - a brush handles it. Second-degree forms shiny black flakes, often from burning cooler fires or unseasoned wood. Third-degree is the tar glaze, hard and shiny as obsidian, that requires rotary chains, chemical treatment, or in severe cases, liner replacement.
We were called to a converted river cottage off Riverside Drive where the owners had run a wood stove as primary heat all winter and loaded the firebox nightly with boxelder and pine. Our tech pulled the damper, ran a rotary sweep and found third-degree creosote glazing the upper flue liner - the tar glaze a brush alone won’t touch - then fitted a HeatShield-insulated stainless liner and reset the chimney cap and crown before the next cold snap. Creosote removal in McHenry runs $240-$420 depending on class and accessibility. We tell you what class we found, show you the footage, and quote the removal in writing before we start.

Soot Removal & Annual Sweep
The standard annual sweep removes soot, first-degree creosote, and obstructions from the flue, smoke chamber, and firebox. In McHenry, we treat the annual sweep as a maintenance checkpoint, not a formality. For wood-stove-primary homes, we often recommend a mid-season creosote check - the heavy loading and unseasoned wood common here shortens the safe interval below the once-a-year standard. For gas fireplaces in newer McHenry subdivisions, annual soot removal keeps the burner ports clear and the venting efficient. Annual sweep pricing in McHenry is $189-$249, with multi-unit discounts for properties with both a main chimney and a cottage auxiliary.

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 McHenry
We source materials through Haven’s buying network specifically to keep customer prices honest - no markup games, no substitute brands without written approval. For McHenry relining and repair work, we stock Gelco stainless steel liners and caps, Olympia Chimney components for factory-built systems, and Famco termination fittings. Copperfield supplies our masonry repair materials, including crown sealants rated for the freeze-thaw abuse McHenry chimneys take. Parts are warehoused regionally, so most McHenry repairs don’t wait on shipping. If your system needs something we don’t stock, we tell you the lead time in the original written quote - never after we’ve started.
Common Chimney Cleaning & Sweep Problems We See in McHenry Homes

- Sweeping only the flue while ignoring the smoke chamber and damper on cottage-era masonry. First-degree creosote keeps building behind the smoke shelf and drifts toward second-degree. Our Level 2 camera checks the chamber every time - it’s where hidden buildup becomes a house fire.
- Scheduling a single annual fall sweep on a wood-stove-primary cottage. Heavy loading of unseasoned wood here means a shorter safe interval, so mid-season creosote checks get skipped. We flag this during the initial inspection and note the recommended check date on your written record.
- Treating the chimney cap and crown as cosmetic while Fox River ground moisture spalls the brick. McHenry County’s persistent moisture and extended freeze-thaw season - October through April - means water that infiltrates crown cracks in fall can fragment masonry significantly by spring. We photograph crown condition annually and quote repair before the damage accelerates.
- Sweeping a chimney that’s been sitting empty all summer without checking for nesting swifts, squirrels, or raccoons first. Vacation cottages left unoccupied through shoulder seasons are prime nesting sites. Owners who return in October and light the first fire of the season without a sweep are a recurring emergency-call pattern for McHenry technicians. Our pre-sweep inspection includes a top-down visual for obstructions - live or otherwise.
Pricing for Chimney Cleaning & Sweep in McHenry, IL
| Service | Typical Range in McHenry |
|---|---|
| Annual Sweep (standard) | $189-$249 |
| Level 1 Inspection | $189-$229 |
| Level 2 Inspection with camera scan | $279-$349 |
| Creosote Removal (Class II) | $240-$320 |
| Creosote Removal (Class III / rotary) | $340-$420 |
| Chimney Cap Replacement | $280-$450 |
| Crown Repair / Seal | $320-$580 |
What moves McHenry pricing within these ranges: flue height and accessibility (two-story cottages with steep roofs cost more to access), creosote class and volume, and whether the chimney is lined or unlined. Unlined cottage chimneys require more time and protective measures during sweeping. We give you the exact price in writing before any work starts - Haven Standard Clause 1, H.A.V.E.N. “Have it in writing.” No exceptions. Bring us a competitor’s written estimate and we’ll provide a Free Second Opinion. Estimates are free. Call (331) 200-4445.
We Also Serve Cities Near McHenry

Our crews route daily through the northwest corridor, covering Chimney Cleaning & Sweep in McHenry and surrounding communities including Crystal Lake, Cary, Elgin, and Palatine. Each city page details local pricing and the specific housing-stock risks we find there - McHenry’s cottage conversions differ materially from Crystal Lake’s postwar ranches or Palatine’s split-levels, and our inspections reflect that.
Serving McHenry, IL - Our Local Coverage Area
We’re based in the McHenry 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 McHenry

No, not safely without inspection and likely relining. The unlined or partially lined chimneys common in McHenry’s 1920s-1950s cottages were sized for intermittent, low-temperature fires, not the continuous high heat output of a modern wood stove. Our Level 2 camera scan determines liner condition, flue sizing, and clearance to combustibles; if the chimney is unlined or the terracotta is cracked, we quote a stainless steel liner with proper insulation before the stove goes into service. Call (331) 200-4445 for a written estimate - estimates are free.
Every 2-3 cords of wood burned, which for most McHenry wood-stove-primary homes means twice per heating season: a full sweep in early fall and a mid-season creosote check in January or February. Unseasoned wood, which is common in this area, accelerates buildup and can push that interval shorter. We note your wood type and burning practice during the initial sweep and recommend the next check date on your written record. Call (331) 200-4445 to schedule your fall sweep before the first cold snap.
McHenry’s proximity to the Fox River and Chain O’Lakes introduces persistent ground-level moisture that accelerates spalling and mortar-joint deterioration on exposed brick chimneys, and the county’s higher snowfall totals mean longer freeze-thaw exposure. Water that enters crown cracks in October expands through repeated freeze cycles until April, fragmenting the brick face and loosening mortar. Crystal Lake’s more elevated, better-drained sites see less of this moisture loading. We inspect crown and mortar condition annually and quote repair before spring damage compounds. Call (331) 200-4445 for a post-winter inspection.
Yes, especially if your chimney sits unused through summer. McHenry’s vacant cottages and seasonal homes are prime nesting sites for chimney swifts, squirrels, and raccoons; lighting the first October fire without a sweep can trap or ignite what moved in. An annual inspection also catches crown cracks and moisture damage that develop during the off-season. Annual sweep and inspection in McHenry runs $189-$249. Call (331) 200-4445 to book before you light up.
A standard brush sweep clears first-degree creosote - flaky soot - but not the second-degree flakes or third-degree tar glaze common in heavily used McHenry wood stoves. We determine creosote class during the initial camera inspection and quote the appropriate removal method: rotary chains for Class III, chemical treatment for severe glazing, or liner replacement if the buildup has damaged the flue. The price range is $240-$420 depending on class and accessibility, and we show you the footage before quoting. Call (331) 200-4445 for an exact quote - estimates are free.
Ready to see what’s actually inside your McHenry chimney? Call (331) 200-4445 for a free written estimate. We’ll name the price before we start, show you every finding on camera, and leave you with a documented photo record under Haven Standard Clause 4. Corrine Halstead and our team at Level Two Chimney Co. have worked to this standard since 2009 - over 38,000 chimneys, every one with a written price before work started and a documented record when it was done.
Written by Corrine Halstead, Owner at Level Two Chimney Co., serving McHenry since 2009.





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