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TRUSTED BY GAITHERSBURG, MD HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon273
    Verified chimney sweeping services reviews

Top-Rated Chimney sweeps in Gaithersburg - Updated Nov 2026

Avatar for H & T Chimney Sweeping
H & T Chimney Sweeping
4.7(
81
)
Clean and Inspect a wood fireplace chimneyClean and Inspect a gas fireplaceClean and Inspect a wood burning stove or pellet stove+2 more

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Emergency services offered

Warranties offered

"Our chimney and fireplace had not been used since at least 2018, so we needed someone to check it out prior to using it. They both cleaned the chimney and inspected it for any issues. The issues they did find they brought photos of and explained to us. They were polite and kind and respectful of keeping our home clean while working. We would recommend them to anyone else who needs their chimney worked on or cleaned."
Flue
Flue
Crown is now finished with a 20 year warranty
Copper cap
New stove

+1

Response time1 day
960 neighbors recently requested a quote
Recommended by21%of homeowners
Avatar for Chimney and Flue Experts
Chimney and Flue Experts
5.0(
25
)
Clean and Inspect a gas fireplaceClean and Inspect a wood fireplace chimneyChimney or Fireplace - Clean and Inspect - For Business+2 more

Serving Gaithersburg, MD and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

We proudly specialize in chimney and duct cleaning and repairs, delivering reliable service you can count on. With 3 years in business and a small, dedicated team, we focus on doing the job right the first time, safely, thoroughly, and with respect for your home. \n \nWhether you need routine maintenance or help with a specific issue, we will take the time to explain what we are doing and why, so you feel informed and confident. \n \nContact us today to schedule your service and keep your chimney and ducts clean, efficient, and safe. \n

3 neighbors recently requested a quote
Avatar for Chimney Discounters, LLC
Chimney Discounters, LLC
4.9(
73
)
Clean and Inspect a wood fireplace chimneyChimney or Fireplace - Clean and Inspect - For BusinessClean and Inspect a wood burning stove or pellet stove+1 more

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Richard was extremely responsive, making a trip to the house prior to providing an estimate. His crew showed up on time and worked all day. My job took three days, and they left the house neat and tidy at the end of each day's work. They repaired my fireplace chimney, the fireplace chimney liner, and the utility chimney. Their experience and craftsmanship was on display in the quality of their work. The crew chief, Valentin, was outstanding with great communication and attention to detail. You only want to repair your chimneys once, and if you hire Chimney Discounters, rest assured the job will be done well."
Before & After Pics
Protecting the top of chimney
Unprotected Chimney
Rebuilt Chimney
Torn - Down Chimney

+18

Response time3 hrs
6 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for American Professional Chimney & Masonry
American Professional Chimney & Masonry
4.6(
2,397
)
Clean and Inspect a wood fireplace chimneyChimney or Fireplace - Clean and InspectChimney or Fireplace - Clean and Inspect - For Business+3 more

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"I've used American Professional several times at various houses I've lived in or owned. They are an honest and professional company that does good work and stands behind it. I recently got them to give me an estimate on rebuilding the top portion of a chimney that needs brickwork. They inspected the chimney, told me it was safe to use, and gave me a very reasonable estimate for the chimney rebuild, saying that it can wait until spring if I wish. From my experience, they will do everything they can to satisfy the customer, whether it's a simple chimney cleaning or custom work. This is the best chimney company in the DC area by far."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time9 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Chimney.com
Chimney.com
4.4(
601
)
Clean and Inspect a wood fireplace chimneyChimney or Fireplace - Clean and InspectChimney or Fireplace - Clean and Inspect - For Business+2 more

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"We initially booked a chimney sweep, because smoke was getting into the house. When the cleaner showed up, he inspected the chimney and found that a cleaning was not necessary and didn't charge for it, and instead walked us through steps to talk to better operate the chimney. Since then, smoke has not been an issue."
Olney, MD fireplace installations
Olney, MD fireplace installations
Additional Photos
Additional Photos
Additional Photos

+139

Response time2 days
5 neighbors recently requested a quote
Recommended by88%of homeowners
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Chimney Sweep FAQs, answered by experts

If your oven is new, then it’s likely that the oven smoking is due to it being a new unit. In this case, you don’t need to worry about the oven smoking. However, if your oven is old, you can’t identify any burnt food or grease that could be behind the smoking, or you have concerns about the heating element, then you should hire an oven technician to inspect your unit.

Ozone smoke removal uses an ozone generator to eliminate stubborn odors from sources like house fires, wildfires, or cigarette smoke. Ozone (O3) is a highly reactive and unstable gas that effectively neutralizes smoke odors through a process called oxidation. It 'donates' its extra oxygen molecule to the organic compounds causing the smell, altering their structure and eliminating the odor, with oxygen being the primary byproduct. This method can be effective on building materials and furniture. However, because improper use of an ozone generator can be dangerous to your health, this treatment is best left to a professional.

Costs depend on stone type, surface condition, labor, and whether sealing or deep cleaning is required.

Luckily, you can typically eliminate your microwave’s burnt smell within a few hours for most situations. Be sure to let it air out for two to three hours after cleaning to let the odor evacuate your home—if you close your home up too early, the odor will be trapped. For stronger, more stubborn burnt smells, it might take a full day or more to really notice a difference. 

Costs depend on the extent of damage, material restoration, labor, and emergency service requirements.

The Gaithersburg, MD homeowners’ guide to chimney sweeping services

From average costs to expert advice, get all the answers you need to get your job done.