Professional chimney sweep, inspection, and maintenance services. Certified technicians, same-day service, and a commitment to your family's safety.
Our expert team removes soot, debris, and blockages to ensure your chimney is safe, clean, and efficient.
We conduct Level 1 and Level 2 chimney inspections to detect damage, buildup, and safety concerns before they become major issues.
We specialize in removing dangerous creosote buildup to reduce the risk of chimney fires and improve airflow.
Keep your fireplace performing at its best with regular maintenance that includes firebox cleaning, damper checks, and smoke testing.
Repeat Clients Who Choose Us Again and Again
At Hearth Lab Chimney Sweep, chimney care goes beyond simple maintenance — it’s our craft, our commitment, and our way of protecting homes across Lexington, Massachusetts. We combine traditional masonry skill with modern inspection technology to keep every chimney efficient, clean, and safe. Every sweep, repair, and rebuild is done with precision and pride — because a healthy chimney means a safer, warmer home for your family.
We use certified materials and trusted methods to ensure your chimney performs safely for years to come.
Our technicians blend hands-on experience with advanced tools to deliver reliable results every time.
We treat every home in Lexington as if it were our own — providing honest service, transparent pricing, and genuine care.
Schedule your chimney inspection today —
Get Started with Hearth Lab Chimney Sweep
We’re not just another chimney service — we’re your local neighbors in Lexington, committed to keeping homes across Lexington and Massachusetts safe, warm, and worry-free all year round. At Hearth Lab Chimney Sweep, we take pride in combining expert craftsmanship with genuine care. From routine cleanings to complex repairs, every project is handled with precision, integrity, and attention to detail. Our mission is simple: to protect your home, enhance your comfort, and give you lasting peace of mind — because a clean, safe chimney means a healthier, happier home for you and your family.
Owner - James Anderson
No hidden fees, no surprises — just honest, upfront pricing and guaranteed satisfaction on every job.
Proudly based in Lexington, we serve the entire Massachusetts area with prompt, professional, and friendly service.
Our team is fully certified, trained, and experienced in all aspects of chimney cleaning, repair, and safety.
We’ve gathered some of the most common questions homeowners ask about chimney cleaning, repair, and maintenance — so you know exactly what to expect when choosing Hearth Lab Chimney Sweep.
The National Fire Protection Association recommends having your chimney inspected and cleaned at least once a year — especially before winter. Regular maintenance helps prevent blockages, creosote buildup, and potential fire hazards.
Common warning signs include smoke backing into the room, strange odors, visible cracks in masonry, or pieces of brick and mortar falling from the chimney. If you notice these, contact Hearth Lab Chimney Sweep for an inspection.
Our chimney inspection includes a detailed check of the interior flue, firebox, damper, and exterior structure. We also look for cracks, blockages, and creosote buildup to ensure your system is safe and efficient.
Yes! Hearth Lab Chimney Sweep installs chimney caps, flashing, and waterproof coatings to protect your chimney from rain, animals, and debris. These small upgrades extend the life of your chimney and prevent costly repairs down the road.
In most cases, yes! Hearth Lab Chimney Sweep offers same-day or next-day chimney service in Lexington and surrounding areas depending on availability. We know how important it is to keep your home safe and warm — that’s why we respond fast.
A standard chimney cleaning typically takes between 45 minutes and 1.5 hours, depending on the level of buildup and the type of fireplace. Our team works efficiently while maintaining high-quality standards and cleanliness.
“They were quick, professional, and left our fireplace spotless. We can finally enjoy cozy fires again without worrying about smoke.”
“Very friendly and informative! They explained everything clearly and even showed us photos of the inside of our chimney.”
“Fast, clean, and super professional. They noticed a small crack in the liner that we wouldn’t have found otherwise. Highly recommend!”
“Excellent service from start to finish. Booking was easy, the technician arrived on time, and the chimney looks brand new.”
“They did a thorough inspection and even helped us install a new cap to prevent birds from nesting in the flue.”
“Prompt, polite, and efficient. Our fireplace draws much better now after the cleaning — what a difference!”
“We’ve been using their chimney service for years. Always reliable, on time, and they leave everything spotless.”
Schedule your chimney inspection today —
Get Started with Hearth Lab Chimney Sweep
689 Somerville Ave, Somerville, MA 02143
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