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 Sweep in Chelsea, MA
Chimney sweeping in Chelsea typically runs $189 – $289 for a standard open fireplace, and most jobs are completed in under two hours. If your chimney serves a furnace or boiler instead of a fireplace, the price usually lands in the $149 – $219 range because the job is more about the flue pipe than the firebox. Every quote is written before we touch the tools. Call (830) 251-4560 and you’ll get a real person on the line, not a voicemail tree.
Chelsea’s older housing stock means our Chimney Sweep team is used to triple-deckers, offset flues, and chimneys that have seen decades of heavy use. We show up in uniform, with a background-checked tech, and we write the price down before anything else happens.
Why Flint Chimney Sweep Is Chelsea’s Preferred Chimney Sweep Company
Flint Chimney Sweep has been operating since 2002 as part of the Garrison Partners family of independently owned chimney service companies. Every job we run carries the Garrison Standard: a written price before work begins, a background-checked and uniformed technician at the door, and a written guarantee on any repair we make. That guarantee lasts one full year, and if a covered repair fails inside that window, we return at no charge. No argument, no re-bill.
Our Chelsea customers don’t call us looking for the cheapest bid. They call because they’ve dealt with no-shows, price changes at the door, or crews that left soot tracked through the house. In Chelsea, our response time for a scheduled sweep is typically inside a two-hour arrival window, and we serve every neighborhood from Admiral’s Hill to Bellingham Square without a dispatch surcharge.
Hank Delano, who leads Flint Chimney Sweep, set the operating rule years ago: the number you approve on the written quote is the number on your invoice. We don’t find surprise masonry work after we open the firebox. If the camera shows something, you see the photos before you pay a cent for a repair recommendation.
Chimney Cleaning in Chelsea
Chimney cleaning in Chelsea means removing the creosote and soot that build up inside the flue liner and smoke chamber, not just running a brush through the visible part of the firebox. In a city where most housing stock predates 1940, the flue has often absorbed decades of wood smoke, oil-fired boiler exhaust, and moisture. Our process includes laying down drop cloths, running a rotary brush sized to your flue, sweeping from both the firebox and the roof or chase cap, and vacuuming with a HEPA-filtered machine so nothing drifts into the living room.
For a standard single-flue fireplace in Chelsea, you should budget $189 – $289. If we’re sweeping an oil or gas flue connected to a heating appliance, that typically runs $149 – $219. Every sweep includes a written report of what we removed and what we saw.
The chimney roof check
A proper sweep in Chelsea includes more than the firebox. Our tech inspects the crown, the cap, and the flashing at the roofline because a cracked crown lets water into the masonry, and Chelsea winters do not forgive saturated brick. We’ll document any issues with photos and give you a price for the repair in writing.
Shared flues and oil heat
Many Chelsea homes have oil heating with a flue connected to the furnace or boiler, not a fireplace. Those flues collect soot faster than wood-burning chimneys and need a camera look every year. We’ll sweep the oil flue and note any rust, pitting, or separation so you have a record before the burner servicer shows up.
Fireplace Cleaning in Chelsea
Fireplace cleaning in Chelsea is the visible half of the job: the firebox, the damper, the smoke shelf, and the lower flue. We remove ash, vacuum the firebox (again, HEPA-filtered), and remove creosote that has hardened into a tar-like glaze on the firebox walls and damper assembly. Most fireplace-only jobs in Chelsea land between $189 and $289.
You’ll know it’s time when you can scrape a fingernail into a creosote deposit on the firebox wall and it comes up gummy, or when you smell a heavy smoke odor even days after a fire. We’ll also check that the damper actually opens and closes fully, which is a common failure in older Chelsea fireplaces that haven’t been serviced in years.
Gas log and prefab fireplaces
If your Chelsea home has a gas insert or prefab firebox, the cleaning is about heat exchanger surfaces, glass, and the venting, not creosote. We’ll run the vent and clean the glass, then check the manufacturer’s clearances. Same written price rule applies: we don’t start work until you’ve seen the quote.
Airflow check
After cleaning, we run a brief draft test to confirm smoke is actually pulling up the flue, not spilling back into the room. In Chelsea’s older masonry, a failing draft is often the first sign of a cracked flue tile or a blocked spark arrestor. If the draft is weak, we camera it and show you what we find.
Trusted Brands We Service in Chelsea
We stock and install professional-grade chimney products including DuraFlex liners, HeatShield joint repair materials, and Copperfield dampers and caps. When a Chelsea customer needs a replacement cap or a flue repair, we don’t have to special-order it from a warehouse and wait two weeks; most of what we need is already on the truck or in our Boston supply hub. We specify products by the job, not by the margin, and every brand we install is one you can look up and verify independently.
Common Chimney Sweep Problems We See in Chelsea Homes
- Shared flues with cross-draft. In Chelsea’s triple-deckers and multifamilies, a chimney often serves more than one unit. A creosote load or blockage in one run can back-draft smoke or carbon monoxide into a different apartment. We trace the flue with a camera to confirm which unit’s exhaust is using which run.
- Cracked flue tiles behind a clean-looking firebox. Many Chelsea chimneys have clay tile liners that have spalled or cracked after decades of heat cycling. The firebox can look fine from the hearth, but the camera reveals breaks that leak heat and CO into the wall cavity.
- Freeze-thaw crown damage. Chelsea winters cycle brick and mortar through repeated freeze-thaw, and a neglected crown or cap lets water seep into the masonry. That moisture turns first-degree creosote into a hardened, adherent deposit that’s harder to remove and accelerates liner deterioration.
- Rusted-out oil flue connectors. On homes with oil-fired boilers, the connector pipe between the appliance and the flue often rusts through before the chimney itself fails. We’ll catch it during a sweep and photograph the rust so you’re not surprised during an annual burner service.
Pricing for Chimney Sweep in Chelsea, MA
A standard open-fireplace sweep in Chelsea runs $189 – $289. If the chimney serves an oil or gas heating appliance, expect $149 – $219, with the lower end for a straightforward flue pipe and the higher end for a longer run or a flue with a heavy soot load. What moved the price up in Chelsea historically is access: a steep roof on a three-story triple-decker takes more setup time than a ranch-style house, and that’s reflected honestly in the quote, not hidden in a dispatch fee at the end. We never charge a fee to come out and quote. Every quote is written before we begin, and the number you approve is the number you pay.
We Also Serve Cities Near Chelsea
Flint Chimney Sweep runs crews from our Boston office into Chelsea and the surrounding area every week. If you’re just across the city line, you can still get a written price and the same one-year written guarantee. We regularly serve Chimney Sweep in Chelsea customers and neighbors in Everett, Revere, Malden, and Boston. Call (830) 251-4560 and we’ll schedule you with the same crew standards we run everywhere.
Serving Chelsea, MA - Our Local Coverage Area
We’re based in the Chelsea 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 About Chimney Sweep in Chelsea
Every 1 – 2 years if you burn wood regularly, and annually if your chimney vents an oil or gas heating appliance. In Chelsea’s triple-deckers, even a single winter of heavy wood burning in one unit can load the shared flue with enough creosote to create a brand-new hazard for every apartment on that run. Inspect it with a camera at least every two years.
No. For the flue itself, we run a rotary brush sized to your liner from the roof or chase cap down to the firebox, removing creosote and soot. We also remove any bird carcasses, nests, or debris we find. The firebox, smoke shelf, and damper get vacuumed with a HEPA-filtered machine. We then camera the flue and walk you through any damage in the photos. Call (830) 251-4560 for a free estimate.
If a draft test shows smoke spilling back into the room, or if your CO detector ever alarms when the fireplace or boiler is running, that’s a hazard. In Chelsea’s older masonry, a cracked flue tile or a shared flue blockage can push CO into a neighboring unit even when the fire in your own firebox looks fine. If you suspect this, do not run the appliance and get a camera inspection. A working CO detector on every floor is the minimum baseline.
For the cosmetic masonry spalling, yes, you can usually wait until the weather breaks. But a cracked crown lets water into the flue during every Chelsea winter freeze-thaw cycle. That water hit the clay tile, freezes, and widens cracks. If the camera also shows an active leak into the flue, we’d tell you to address the crown now, not in April. We’ll give you the honest priority with pictures, and the repair carries the one-year written guarantee.
We work on the masonry, liner, cap, and damper systems regardless of the original builder or fireplace brand. Most older Chelsea chimneys don’t have a brand name stamped anywhere. We specify replacement parts by the flue sizing and appliance type, using DuraFlex for relining, HeatShield for joint repair, and Copperfield for caps and dampers. If a specific branded insert or liner is installed, we’ll tell you what we can service and what the manufacturer’s warranty requires. Call (830) 251-4560 and we’ll talk through your specific flue.
Written by Hank Delano, Owner at Flint Chimney Sweep, serving Chelsea and the surrounding area since 2002.





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