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Environmental Pest Control
- Carpenter Bees
- Tick
- Birds
“They were the most responsive people that we got in touch with and then every technician that came out came out with such care for their job and kindness for our children.”
Best Insulation Contractors near Germantown, MD
1 of these contractors is based in Germantown; the others serve Germantown from towns including Gaithersburg (4 mi), Rockville (9 mi) and Sterling, VA (14 mi).
1 open 24/7 · 13 open weekends · all 24 rated 4.5+ · 12 show a license
Data verified October 18, 2026
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Terra Insulation
- Hvac
- Ducts
- Ceiling
“I worked with both Josh and Dylan and they were able to determine my issues to resolve and were very knowledgeable and communicated the entire process thoroughly.”
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Ex Home Solutions
- Sales
- Siding
- Repair
“He was available at all times during the day and handled -- with professionalism, finesse and superb customer-service -- an unexpected hiccup that arose on our end.”
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American Custom Contractors
- Consultant
- Siding
- Wind
“Thank you Blase and Yanni For inspecting my roof, giving me an honest opinion of its condition and not having me file a claim” just to file a claim”.”
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Arch Exteriors LLC
- Exterior Doors
- Schedule
- Mind
“The work was Great the new roof turned out fantastic and the crew did a fantastic job note only on the work but the clean up as well i would recommend them Highly”
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Topper Construction
- Fascia
- Warranty
- Nails
“Topper Construction, particularly Willie and his crews, did an outstanding job on a full shingle roof replacement on my ranch style house and detached garage.”
The 24 contractors listed for Germantown, MD insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Germantown, MD
The 24 contractors on this page are rated from 4.6 to 5.0 across 5,384 reviews; 22 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (87%) and responsiveness (84%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "crew". 1 is open around the clock; 13 are open on Saturdays and 2 on Sundays. The services the contractors on this page list most often on their websites are roofing (4), gutters (3), roof replacement (3), siding (3) and gutter guards (2). 12 show a license on their websites; 3 list staff certifications (GAF) and 14 have a BBB rating of A or A+. Domain records put 19 websites of the contractors on this page at ten or more years old; the oldest dates from 2000. 1 offers emergency call-outs; 14 offer financing or payment plans; 17 give free estimates; 9 are family- or locally-owned and 5 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for all 24 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.
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St Joseph's Roofing Inc
- Weather
- Townhouse
- Project Manager
“Martin was extremely patient when my husband and I were deciding on the type and color of the shingles and all throughout the process of signing the contract.”
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Apex Solar & Roofing
- Name
- Insurance Company
- Pictures
“Whereas our home used to stand out on our street for looking outdated and tired, it now stands out with a beautiful stacked-stone and pristine vinyl siding and shutters.”
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Alco Products Inc.
- Home Improvement
- Happy
- Sales
“Tim was at my house each day making sure that everything was in order and Milqui and the other guys were always on time bright and early to start the work.”
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Central Exteriors
- Pressure
- Pricing
- Efficient
“They replaced our roof and, unlike some other companies who gave us estimates, I felt like Jon was honest and straightforward about what we needed (and what we didn't).”
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Ashburn Pro Roofing
- Ethical
- Estimate
- Responsive
“Initially, I was not pleased with their work, but Mike listened to my feedback, was responsive, and sent the crew to address my concerns and rectify the issues.”
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Home Energy Savings Solutions
- Basement
- Cost
- Work
“Joseina (sp?) was the lead a very professional team, and did an outstanding job of protecting my house (with tarps and floor runners), and did a perfect job of cleaning up after the work was done.”
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MLM Home Improvement
- HOA
- Accounts Receivable
- Sales Representative
“The crew was nice and we received great customer service from, Chris Nalducci, Anton Merecido, Gomer Cid Merro and all of the staff members were great.”
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Custom Concepts Construction Inc.
- Project Manager
- Scope
- Financing
“The siding, gutter, and roof work quality were superb and look amazing and the workers protected my garden from debris and overall--unlike many contractors--were actually respectful of my property.”
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Brax Roofing
- Value
- Informative
- Attic
“During the project, I principally worked with Daniel who scheduled the work and provided status, and Marvin who came on site to verify all work was to my satisfaction.”
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Roofing & More
- Hardie
- Townhouse
- System
“They did have to change the date of the project a few times but always called to check with us and we actually ended up getting it done before they had originally said!”
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3 Pros Basement Systems
- Vendor
- Hvac
- Temperature
“When Carl's inspection identified several minor issues with the work, Comfenergy promptly arranged for the production manager to come onsite and supervise the crew in making the needed corrections.”
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Shanco Roofing
- Yard
- Debris
- Nails
“After examination, he said that Shanco will be glad to work with State Farm, my home insurance, to see if apparent damages to my roof and my siding qualify for replacement.”
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Capitol Improvements
- Warranty
- Family Owned Business
- Responsive
“After a nightmarish year of roof leaks and water damage to our home (from a roof installed by another company less than 5 years ago), we found Capitol Improvements online.”
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Quality Insulation
- Temperature
- Competitive
- Fee
“Chris was able to point out a drywall issue we were having once they removed all the insulation and was able to anchor it back together without charging me.”
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Eastern Exteriors
- Deductible
- Cost
- Property
“After trying to get roof estimates elsewhere and finding that they were too expensive for me, Eastern Exteriors were the only ones to suggest going through my insurance.”
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Noble Roofing
- Gutters
- Work
- Quotes
“It took us some time to figure out the right color of shingle, but he was very patient explaining our options and providing us with different color samples.”
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Banner Home Solutions
- Honest
- Windows
- Questions
“Chaz and Duncan were both overseeing the job from start to finish and the guys doing the installation were skillful, courteous, and did a great job and cleaned the job site very well.”
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Dream Exterior
- Wood
- Contractor
- Clean
“On installation day, an experienced and synchronized team worked hard to finish everything, under Sung's brother expert supervision, who checked every trim, every frame, every window.”
Why these companies made our list
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