Central Maryland's Top Fireplace & Chimney Experts | Sweeping, Liners, Repairs

6921 Golden Ring Rd,
Rosedale, MD 21237

MHIC #125318

Master Gas LOC #66643

(410) 477-9144

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Ace of Diamonds Chimney white logo
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Protect Your Home with Maryland’s Trusted Chimney & Fireplace Experts

Keeping Baltimore and Central Maryland Homes Safe and Warm with Reliable Chimney Sweep and Fireplace Services for Over 44 Years

Our Services

Services

Our Chimney & Fireplace Services

With over 44 years of experience, Ace of Diamonds Chimney is the trusted choice for homeowners and businesses across Central Maryland.

We offer a wide range of expert chimney and fireplace services across Anne Arundel County, Baltimore County, Baltimore City, Harford County, Howard County, Montgomery County, and Prince George’s County. Our team of experienced technicians is committed to ensuring your home stays safe, efficient, and cozy all year long.
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Chimney Sweeping & Inspections

We provide thorough chimney sweeping services that keep your chimney clean and your home safe, going above and beyond industry standards to ensure top performance.

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Chimney Liner Installation & Replacement

We install high-quality chimney liners that improve safety and efficiency, using only the best materials and craftsmanship to offer unmatched protection and durability.

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Fireplace & Masonry Repair

Our skilled masonry repair services restore and reinforce your chimney, giving you long-lasting results that stand out from competitors and preserve your home’s structure.

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CO2 Issues

We specialize in solving CO2 issues, providing advanced detection and corrective solutions to safeguard your family’s health with precision and expertise you won’t find elsewhere.

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Chimney Caps & Crowns

Our chimney caps and crowns protect your chimney from the elements, offering a better defense against moisture, debris, and animals compared to standard options.

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Video Camera Inspection

Our detailed video camera inspections reveal hidden issues within your chimney, ensuring thorough diagnosis and transparency that set us apart from standard inspection practices.

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Showroom & Retail Store

Find the Perfect Fireplace or Stove for
Your Home or Business

Stop by our Baltimore showroom to browse top-quality fireplaces, stoves, and chimney products
— all in one place.

Looking for a gas fireplace, wood-burning stove, or chimney accessories? Our showroom features a wide range of top-rated brands, with expert guidance to help you choose the perfect fit. Plus, our professional installation services ensure your home stays warm, safe, and efficient all year long.
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About Us

Your Local Chimney and Fireplace Experts for over 44 years

For over 44 years, we have been delivering top-quality chimney and fireplace services to home and business owners in Baltimore and Central Maryland. Our long-standing commitment to safety, reliability, and customer satisfaction has made us a go-to choice for chimney sweeping, repairs, inspections, and more.
Owner Ted Bienert, a Maryland native and alumnus of Calvert Hall and Towson University, is deeply connected to the local community. Ted combines his local roots with a passion for serving Maryland homeowners and businesses and is committed to providing exceptional chimney and fireplace services to the residents of Baltimore and Central Maryland.
Areas We Serve
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What Our Customers Are Saying

"Ace of Diamonds did a great job from start to finish. They gave me and explained (with recommendations) of options, explained the process, communicated it every step of the way and were very friendly, cleanly and knowledgeable. They replaced an old propane fireplace with a new one. Ted was great in the beginning and kept communication throughout. Dave, Dave & Rob were the team assigned throughout the job and were fantastic with getting everything insulated/sealed, up to code, new unit in, explaining and showing how to use it. Would recommend to anyone needing a new unit or service!"

- Brian L.

January 2025

"Excellent work and I absolutely love my fireplace. My wood burning fireplace to electric."

- Terri T D

April 2025

"My wife and I have always had a wood stove or fireplace wood insert of some type in our home. We have been calling on Ace of Diamonds for over 25 years. After we purchased our first freestanding wood stove from them, we started using Ace of Diamonds for regular chimney sweeping and wood stove insert maintenance. This past June I spoke to Dave N. the service manager regarding replacing some broken bricks in our 18-year-old woodstove insert. They had exactly what was needed in stock. We scheduled the brick replacement and chimney sweep at the same time. The crew did a great job, and they were very careful about keeping the work area clean. Very professional and friendly. This month we had our first fire of the season, and I got a better look at the new bricks and how well they fit. Nice Job! I highly recommend using Ace of Diamonds."

- DHP

November 2024

"Awesome experience with these guys for a chimney liner - they arrived on time, were friendly, got the job done. Just recommended them to my cousin as well who just bought a home."

- Michele R.

July 2024

"Came last minute to help us out when our plumber was installing a new boiler. They realized after unhooking the very old venting system that our chimney had no lining. They recommended Ace who came the same day, gave us a fair quote based on our research, and were able to install the lining a week later."

- Rachel H.

2024

"The service technician Mike was extremely knowledgeable and professional. He is the only reason I would recommend this company. The office staff is terrible with follow through and communication."

- Christy K.

May 2024

"Great service. Quality work."

- Robert I.

May 2024

"We had a furnace chimney cap get ripped off during a bad storm and our HVAC company recommended Ace of Diamonds Chimney to us. Fanny got us scheduled quickly and followed up to confirm appointment which we appreciated. Nick and PJ came out, were respectful of our property and took care of sweeping the furnace chimney and replacing the cap efficiently. Based on our experience we would definitely recommend using them."

- Piclady 7

May 2024

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Blog

Chimney & Fireplace Maintenance Made Easy: Essential Tips for Homeowners

Ace of Diamonds Chimney Pellet Stoves

The Ultimate Guide to Pellet Stoves

Pellet stoves are becoming an increasingly popular choice for homeowners looking to heat their homes efficiently and sustainably, especially in areas with colder winters like Maryland.

Learn more

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