Serving You For Over 46 Years!

Tuesday - Saturday: 10:00am - 5:00pm
Sunday: 11:00am - 4:00pm  
San Francisco’s Trusted Chimney Sweep Since 1977!

San Francisco’s Leading Chimney Service Company & Fireplace Showroom For Over 46 Years! We are the preferred choice!

Chimney Damper Replacement

When you start a fire, the first step should always be to open the damper. This ensures that the smoke and dangerous gases that are produced by a wood-fueled fire can safely vent up the chimney and out of the home. But what if one day you try to open the damper and it breaks or won’t budge? That’s where the certified professionals at London Chimney Services come in. We have repaired and replaced chimney dampers for years and can help get your fireplace back in working order in no time!

Can I Use My Fireplace If My Damper Is Broken?

In most cases, the answer is no! If the damper is stuck in the closed position, using your fireplace would result in a room full of smoke and carbon monoxide, which is extremely dangerous. Your chimney damper should ALWAYS be open when burning a fire, no matter what! If your damper is stuck open, your chimney should still vent properly; however, when your fireplace is not in use, a damper in the open position will allow the conditioned air in your home to be sucked up the chimney and will also allow water to access your firebox. The bottom line is: if your chimney damper is broken, it needs to be fixed or replaced as soon as possible!

When Replacing A Chimney Damper, A Top-Sealing Damper Is The Way To Go!

If your chimney damper is damaged and you require a replacement, you may want to consider a top-sealing damper. These units perform several different functions simultaneously and can save you a lot of money in energy costs!

A top-sealing chimney damper functions as both a damper and a chimney cap. These units create an air-tight seal at the top of the chimney. This keeps water and debris out, while keeping your conditioned air in. Top-sealing dampers are top of the line when it comes to chimney damper functionality and feature a handle inside your firebox, which can be used to open and close your damper with ease. In the long run, these innovative units will save you money on heating and cooling bills simply by creating an air-tight seal.

Call Us Today!

If your chimney damper is broken, don’t hesitate — call London Chimney Services & Fireplace Shoppe today or click here to request an appointment. We’ll get your system back in working order in no time!


Don’t know what’s causing those water stains in your ceiling or walls? Let us troubleshoot for leaky chimney issues and make the necessary chimney repairs as soon as possible before more damage is done!



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(415) 380-0330

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(415) 380-0336


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Awards & Reviews

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Certifications & Associations

Certified Chimney Sweep     National Fireplace Institute Certified
Golden State Chimney Sweep Guild   Contractors State License Board
US Environmental Protection Agency
Hearth, Patio, and Barbecue Association

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"... fast working, efficient, professional and pleasant to deal with."
~ S. Reiter, Mill Valley

“Very prompt, explained what needed to be done – showed pictures. Very thorough. Clean. Nice people to work with.”
~ J. Sinnott, San Francisco

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Service Products

       Chimney Inspection Camera System Bernard Dalsin Manufacturing National Chimney is a leading manufacturer of chimney liners, liner kits, caps, chase covers DuraVent is a recognized technological leader in the chimney venting industry. Help draft wood burning fireplaces & woodstoves, gas log fireplaces, pellet stoves, with vent fans CHAMBER-TECH 2000 is the answer to those rough, deteriorated, uninsulated and improperly formed smoke chambers Smoktite is a highly insulative ceramic product that is used to seal, smooth and insulate chimney smoke chambers without removing the damper frame or adjacent brickwork HeatShield® is a chimney liner repair system that eliminates the hazards and draft problems caused by gaps, cracks and spalling in otherwise sound masonry chimneys. Superior Clay Corporation produces and designs components for masonry fireplaces in a complete range of styles and sizes. Flexible, scalable and custom solutions offer high performance and efficiency without sacrificing on indoor air quality.

Hearth Products

      fireplace x Lopi European Home element4 Regency Fireplace Hearthstone Stoves Hargrove Gas Logs American Fyre Designs Portland Willamette Pilgrim Hearth Majestic Fireplaces DaVinci Custom Fireplaces Travis Industries The House of Fire Tempest Torch Outdoor Gas Lamps adn Lighting