
Get matched with top insulation pros in Thurmont, MD
There are 9 highly-rated local insulation pros.
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TRUSTED BY THURMONT, MD HOMEOWNERS
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Average homeowner rating47
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Verified Reviews for Insulation Service pros in Thurmont, MD
*The Angi rating for Insulation Service companies in Thurmont, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Thurmont, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on October 28, 2025
Find Insulation pros in Thurmont

Atlas Home Energy Solutions LLC
Atlas Home Energy Solutions LLC
Atlas Home Energy Solutions is committed to providing the highest quality home energy improvements to homeowners interested in reducing their utility bills and improving the comfort of their home year round. Customer Satisfaction is our number one priority and we promise that we can make a real impact in your home in a way that keeps you happy every step of the way.
"Atlas home energy solutions did an outstanding job from start to finish. They were professional, knowledgeable, courteous and easy to work with. All the crew members Ben Mott (was very knowledgeable, did the home energy audit, followed up with competitive quotes, which was adjusted to accommodate my request, offered BGE rebates upfront, patient and friendly to attend my calls and answer all the questions), Zam (Crew leader who did the exhaust fan installation), Tun (Crew leader who did an outstanding job to insulate the attic and basement), David (Crew leader who did duct cleaning and Aeroseal) were phenomenal and did an outstanding job. The end result is a day and night difference before and after the work and my BGE bill last month went down by more than $100 which is a huge cost saver. The HVAC does not run that much these days and the temperature is pretty even across the 30-year townhouse. I highly recommend Atlas home energy solutions for home energy audit and improvements."
Chandra V on April 2024
Atlas Home Energy Solutions is committed to providing the highest quality home energy improvements to homeowners interested in reducing their utility bills and improving the comfort of their home year round. Customer Satisfaction is our number one priority and we promise that we can make a real impact in your home in a way that keeps you happy every step of the way.
"Atlas home energy solutions did an outstanding job from start to finish. They were professional, knowledgeable, courteous and easy to work with. All the crew members Ben Mott (was very knowledgeable, did the home energy audit, followed up with competitive quotes, which was adjusted to accommodate my request, offered BGE rebates upfront, patient and friendly to attend my calls and answer all the questions), Zam (Crew leader who did the exhaust fan installation), Tun (Crew leader who did an outstanding job to insulate the attic and basement), David (Crew leader who did duct cleaning and Aeroseal) were phenomenal and did an outstanding job. The end result is a day and night difference before and after the work and my BGE bill last month went down by more than $100 which is a huge cost saver. The HVAC does not run that much these days and the temperature is pretty even across the 30-year townhouse. I highly recommend Atlas home energy solutions for home energy audit and improvements."
Chandra V on April 2024

HomeGuard Foam & Foundation
HomeGuard Foam & Foundation
Build a stronger, more comfortable home with HomeGuard Foam and Foundation! We're dedicated to providing homeowners with energy-efficient and lasting solutions. Specializing in spray foam insulation, crawl space encapsulation, basement waterproofing, and foundation repair, we protect your property from the ground up. Trust HomeGuard to fortify your foundation and insulate your future, ensuring a cozy and durable home for years to come.
"It was fine. They were prompt and gave me an estimate on the spot when they did the inspection. They came the next week or several days after and put in everything. I'll give them 5 stars but they never get back to me until now. It depends if depends if I'm going to use them again if they get back at me and answer all the questions that I have."
Sharlene D on May 2021
Build a stronger, more comfortable home with HomeGuard Foam and Foundation! We're dedicated to providing homeowners with energy-efficient and lasting solutions. Specializing in spray foam insulation, crawl space encapsulation, basement waterproofing, and foundation repair, we protect your property from the ground up. Trust HomeGuard to fortify your foundation and insulate your future, ensuring a cozy and durable home for years to come.
"It was fine. They were prompt and gave me an estimate on the spot when they did the inspection. They came the next week or several days after and put in everything. I'll give them 5 stars but they never get back to me until now. It depends if depends if I'm going to use them again if they get back at me and answer all the questions that I have."
Sharlene D on May 2021

ROI Construction LLC
ROI Construction LLC
Why choose ROI Construction? Our Gold Standard guarantee is 100% customer satisfaction, 100% of the time! - It's that simple. No need to keep looking for “Contractor near me,” we are the top local Maryland and DC family owned Exterior company (est. 1974) that delivers the best results and a positive return on investment in the area! ROI also does a final walkthrough of every-single-job to ensure that we deliver a superior finished product for every ROI customer!
"Very pleased with the roofing and siding work performed by ROI Construction. Jose was especially helpful and very knowledgeable in all areas of home repair, including roofing, skylights, trim and siding. Brooke did a great job scheduling and managing the project. Highly recommend ROI for your roofing/remodeling needs."
Rachel S on September 2025
Why choose ROI Construction? Our Gold Standard guarantee is 100% customer satisfaction, 100% of the time! - It's that simple. No need to keep looking for “Contractor near me,” we are the top local Maryland and DC family owned Exterior company (est. 1974) that delivers the best results and a positive return on investment in the area! ROI also does a final walkthrough of every-single-job to ensure that we deliver a superior finished product for every ROI customer!
"Very pleased with the roofing and siding work performed by ROI Construction. Jose was especially helpful and very knowledgeable in all areas of home repair, including roofing, skylights, trim and siding. Brooke did a great job scheduling and managing the project. Highly recommend ROI for your roofing/remodeling needs."
Rachel S on September 2025
Metstar Premier Era Innovations
Metstar Premier Era Innovations
At Metstar Premier Era Innovations, we’re passionate about turning dreams into reality. We specialize in crafting both residential and commercial spaces in Maryland, DC and Northern Virginia with unwavering attention to detail. Our values of integrity, innovation, and collaboration drive every project we undertake. We listen, create, and build all while prioritizing your vision and aspirations. Trust us to bring excellence and quality to your project - it’s what defines us!
At Metstar Premier Era Innovations, we’re passionate about turning dreams into reality. We specialize in crafting both residential and commercial spaces in Maryland, DC and Northern Virginia with unwavering attention to detail. Our values of integrity, innovation, and collaboration drive every project we undertake. We listen, create, and build all while prioritizing your vision and aspirations. Trust us to bring excellence and quality to your project - it’s what defines us!
Salary's Insulation, LLC
Salary's Insulation, LLC
Insulation workers, installing and replace the materials used to insulate buildings and their mechanical systems. generally work indoors in residential and commercial settings. As a Mechanical insulator I work both indoors and outdoors. Assist journeymen with insulation of pipes, air ducts, heating and cooling systems. Ensure all journeymen have everything they need for the project. Conduct jobsite safety. Work as team member insulate boilers, HVAC duct work and pipes on new construction. Used proper PPE including hard hat, safety glasses, earplugs, gloves, safety sleeves. Operate manual lift (JLG) and other small auto machinery as needed at project site. Work with proper PPE, strip old insulation, install new insulation on pipes and wiring using hand tools. Follow safety guidelines per OSHA regulations Replace fiberglass insulation from attics with new insulation or materials. Wire prefabricated asbestos covering around steam and hot water piping. Insulate commercial and residential buildings using a fiberglass blow in insulation. Install metal and pvc jackets. Insulate pipes and put PVC on it Remove asbestos or urea-formaldehyde insulation from buildings when require to do so. Design and create bike racks from old bike parts. Advance proficiency in team orient communication through coordinating tasks with others.
Insulation workers, installing and replace the materials used to insulate buildings and their mechanical systems. generally work indoors in residential and commercial settings. As a Mechanical insulator I work both indoors and outdoors. Assist journeymen with insulation of pipes, air ducts, heating and cooling systems. Ensure all journeymen have everything they need for the project. Conduct jobsite safety. Work as team member insulate boilers, HVAC duct work and pipes on new construction. Used proper PPE including hard hat, safety glasses, earplugs, gloves, safety sleeves. Operate manual lift (JLG) and other small auto machinery as needed at project site. Work with proper PPE, strip old insulation, install new insulation on pipes and wiring using hand tools. Follow safety guidelines per OSHA regulations Replace fiberglass insulation from attics with new insulation or materials. Wire prefabricated asbestos covering around steam and hot water piping. Insulate commercial and residential buildings using a fiberglass blow in insulation. Install metal and pvc jackets. Insulate pipes and put PVC on it Remove asbestos or urea-formaldehyde insulation from buildings when require to do so. Design and create bike racks from old bike parts. Advance proficiency in team orient communication through coordinating tasks with others.

Expro Renovators llc
Expro Renovators llc
With Expro Renovators you have the ability to accomplish all your renovations projects, with 20yr experience business owner in the renovation industry, we provide you with the best quality work. From small jobs to big projects , interior / exterior residential and comercial renovation service . With Expro renovators your project is insured and protected . Expro renovators also provides you the home flipping service if you want to buy - fix and sell . Just call us for a free quote , we be glad to work with you
"Raul communicated well during the sales and installation process. The team arrived on time and worked well through the job. I am very pleased with the work done. I will use them again."
Dwight S on November 2024
With Expro Renovators you have the ability to accomplish all your renovations projects, with 20yr experience business owner in the renovation industry, we provide you with the best quality work. From small jobs to big projects , interior / exterior residential and comercial renovation service . With Expro renovators your project is insured and protected . Expro renovators also provides you the home flipping service if you want to buy - fix and sell . Just call us for a free quote , we be glad to work with you
"Raul communicated well during the sales and installation process. The team arrived on time and worked well through the job. I am very pleased with the work done. I will use them again."
Dwight S on November 2024

Affordable Thorough Infrared
Affordable Thorough Infrared
Maryland state licensed, certified and insured Home and Building Inspector, Ati Inspections dba Affordable Thorough Infrared Residential and Commercial Building Inspections,Over 30 years of construction related experience, we use Infrared technology in all our inspections, we provide Ancillary services, Moisture Intrusion, Energy Audit, Air Quality, Well water, Mold, Wood Destroying Organisms ( Termite etc), Thermography, Thermal Imaging, pre-sale, Member and certified by interNACHI .
Maryland state licensed, certified and insured Home and Building Inspector, Ati Inspections dba Affordable Thorough Infrared Residential and Commercial Building Inspections,Over 30 years of construction related experience, we use Infrared technology in all our inspections, we provide Ancillary services, Moisture Intrusion, Energy Audit, Air Quality, Well water, Mold, Wood Destroying Organisms ( Termite etc), Thermography, Thermal Imaging, pre-sale, Member and certified by interNACHI .
RoofTop Designs
RoofTop Designs
Rooftop Designs is one of the **highest rated** roofers in all of Maryland, Virginia and Washington D.C.! 98% of our customers rate us a full FIVE stars. We specialize in roofing, window installation, siding, door installation, gutters, and attic insulation. We measure our success by our customer's satisfaction with our work and our products. With over 11 years of experience in the home improvement industry, Rooftop Designs delivers world-class service at affordable pricing. Our new roofs include a 50-year warranty and feature a wind resistance rating of up to 130 mph. Rooftop Designs is proud to say that we are a Certainteed Master Shingle Applicator, which ensures that our installers are fully-trained on the latest roofing materials and applications. This allows us to offer a manufacturer's warranty of up to 50 years labor and material, on top of our own 50-year warranty. We stay up-to-date on local building requirements and home owner's association guidelines in order to make sure that your project is completed on-time and done right, the first time. If you're looking for the finest roofing, window and door installation, siding, gutters, and attic insulation company in the Washington, D.C. metro area, give us a call today or send us a website inquiry. We are local to you and available to tackle any job; big or small. Our professional team stands ready to provide you with the highest-quality products and the sincere commitment to customer service that you deserve.
"ROOFTOP DESIGN IS A HORRIBLE SCAM I would be remiss not to take the time to warn others. ROOFTOP DESIGN came as a third option for roofing. However, the initial representative ED form ROOFTOP DESIGN was very professional and thorough. The problem is, he represented a bunch of shysters. Ed’s first quote to was $35,000. After approximately three days of conversation and negotiations we were at $17,000.00 for the exact same product that they tried to sale for $35,000. Salesmen Ed was no-longer reaching out to me. Someone by the name of John called me and asked, what is it that they can do to make this deal happen. We settled at $16,500.00. Once again, $16,500 for everything discussed for the original $35,000 including a 50-year warranty that is transferable to a buyer as a good selling point. I learned through John that they fired Ed for giving customers too good of deals. I also learned through John that this company has a starting bidding price and a bottom bidding price. Ed would give the bottom price too quickly. So, they fired him. (Although John’s price was better than Ed’s). Once the job started, I received a text from the owner Yanni Avramidis. He stated that there was a third layer of roofing. He also stated that it would not be a problem and that it would take a little longer. IF THERE WAS GOING TO BE ANY ADDITIONAL CHARGES, NOW WOULD BE THE TIME TO MENTION IT. Approximately two days after the completion of the job. I had a contractor over named B. B. was there to replace the soffit beneath the location where the new roof was installed. This is when I learned and saw with my own two eyes that there was rotted or no plywood at all supporting my brand-new shingles. Mind you: per our contract, there will be an extra charge for plywood beyond the first ten free sheets. This company put my expensive shingles on top of rotted wood or no wood at all. I must admit, I was upset. However, I was cool calm and collected when I reached out to the owner Yanni Avramidis. I sent him the pictures of my findings. His explanation was that I had a 50-year warranty. My point to the owner was, if I wasn’t trying to replace my soffit it might have been months or years before this was discovered. I also said, what about the elderly man or woman that doesn’t have the ambition to check your work??? The owner of ROOFTOP DESIGN became very irate. He said, “I am from Baltimore, haven’t you heard about people from Baltimore. I will beat your a**. You are going to pay me an additional $2,800.00 for the third layer of roofing and planks/ plywood.” Since I have yet to see any new plywood, I am being charged $3,000.00 per layer of roofing to be removed. I received paperwork from ROOFTOP DESIGN, the paperwork stated that my warranty was only good for as long as I owned the property. Non-transferable: Of course, I didn’t sign it. My point is, there are people being taken advantage of everyday by bullies like ROOFTOP DESIGN."
Shaniqua H on September 2023
Rooftop Designs is one of the **highest rated** roofers in all of Maryland, Virginia and Washington D.C.! 98% of our customers rate us a full FIVE stars. We specialize in roofing, window installation, siding, door installation, gutters, and attic insulation. We measure our success by our customer's satisfaction with our work and our products. With over 11 years of experience in the home improvement industry, Rooftop Designs delivers world-class service at affordable pricing. Our new roofs include a 50-year warranty and feature a wind resistance rating of up to 130 mph. Rooftop Designs is proud to say that we are a Certainteed Master Shingle Applicator, which ensures that our installers are fully-trained on the latest roofing materials and applications. This allows us to offer a manufacturer's warranty of up to 50 years labor and material, on top of our own 50-year warranty. We stay up-to-date on local building requirements and home owner's association guidelines in order to make sure that your project is completed on-time and done right, the first time. If you're looking for the finest roofing, window and door installation, siding, gutters, and attic insulation company in the Washington, D.C. metro area, give us a call today or send us a website inquiry. We are local to you and available to tackle any job; big or small. Our professional team stands ready to provide you with the highest-quality products and the sincere commitment to customer service that you deserve.
"ROOFTOP DESIGN IS A HORRIBLE SCAM I would be remiss not to take the time to warn others. ROOFTOP DESIGN came as a third option for roofing. However, the initial representative ED form ROOFTOP DESIGN was very professional and thorough. The problem is, he represented a bunch of shysters. Ed’s first quote to was $35,000. After approximately three days of conversation and negotiations we were at $17,000.00 for the exact same product that they tried to sale for $35,000. Salesmen Ed was no-longer reaching out to me. Someone by the name of John called me and asked, what is it that they can do to make this deal happen. We settled at $16,500.00. Once again, $16,500 for everything discussed for the original $35,000 including a 50-year warranty that is transferable to a buyer as a good selling point. I learned through John that they fired Ed for giving customers too good of deals. I also learned through John that this company has a starting bidding price and a bottom bidding price. Ed would give the bottom price too quickly. So, they fired him. (Although John’s price was better than Ed’s). Once the job started, I received a text from the owner Yanni Avramidis. He stated that there was a third layer of roofing. He also stated that it would not be a problem and that it would take a little longer. IF THERE WAS GOING TO BE ANY ADDITIONAL CHARGES, NOW WOULD BE THE TIME TO MENTION IT. Approximately two days after the completion of the job. I had a contractor over named B. B. was there to replace the soffit beneath the location where the new roof was installed. This is when I learned and saw with my own two eyes that there was rotted or no plywood at all supporting my brand-new shingles. Mind you: per our contract, there will be an extra charge for plywood beyond the first ten free sheets. This company put my expensive shingles on top of rotted wood or no wood at all. I must admit, I was upset. However, I was cool calm and collected when I reached out to the owner Yanni Avramidis. I sent him the pictures of my findings. His explanation was that I had a 50-year warranty. My point to the owner was, if I wasn’t trying to replace my soffit it might have been months or years before this was discovered. I also said, what about the elderly man or woman that doesn’t have the ambition to check your work??? The owner of ROOFTOP DESIGN became very irate. He said, “I am from Baltimore, haven’t you heard about people from Baltimore. I will beat your a**. You are going to pay me an additional $2,800.00 for the third layer of roofing and planks/ plywood.” Since I have yet to see any new plywood, I am being charged $3,000.00 per layer of roofing to be removed. I received paperwork from ROOFTOP DESIGN, the paperwork stated that my warranty was only good for as long as I owned the property. Non-transferable: Of course, I didn’t sign it. My point is, there are people being taken advantage of everyday by bullies like ROOFTOP DESIGN."
Shaniqua H on September 2023

American Home Contractors of VA, LLC
American Home Contractors of VA, LLC
For over 35 years, American Home Contractors has provided exterior household services and upgrades across Maryland, Washington DC, and Northern Virginia. American Home takes great pride in ensuring customer satisfaction and commits to delivering the highest quality of work when renovating any home.
"American Home Contractors and Hugo in particular were great to work with. We had multiple jobs done which required several trips and Hugo kept us informed and worked around several weather delays. He relocated and installed a new attic fan, hooked up the bathroom fan to a new roof vent, insulated a pipe in the attic, installed apron flashing on four windows, painted the flue vent, reconnected some lose siding and replaced three pieces of rotted trim and painted it. The work appears to be top notch and we appreciate the hard work and long hours Hugo put in! I would definitely recommend this company and most certainly Hugo to everyone. We also had American Home Contractors replace our gutters and install gutter guards. They did an excellent job with that as well."
Barry R on February 2025
For over 35 years, American Home Contractors has provided exterior household services and upgrades across Maryland, Washington DC, and Northern Virginia. American Home takes great pride in ensuring customer satisfaction and commits to delivering the highest quality of work when renovating any home.
"American Home Contractors and Hugo in particular were great to work with. We had multiple jobs done which required several trips and Hugo kept us informed and worked around several weather delays. He relocated and installed a new attic fan, hooked up the bathroom fan to a new roof vent, insulated a pipe in the attic, installed apron flashing on four windows, painted the flue vent, reconnected some lose siding and replaced three pieces of rotted trim and painted it. The work appears to be top notch and we appreciate the hard work and long hours Hugo put in! I would definitely recommend this company and most certainly Hugo to everyone. We also had American Home Contractors replace our gutters and install gutter guards. They did an excellent job with that as well."
Barry R on February 2025

Home Genius Exteriors
Home Genius Exteriors
Elevate your home with Home Genius Exteriors, setting the standard in Maryland and Washington DC by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!
"The process was done in timely manner. Daniel was communicative and helpful."
Richard H on October 2025
Elevate your home with Home Genius Exteriors, setting the standard in Maryland and Washington DC by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!
"The process was done in timely manner. Daniel was communicative and helpful."
Richard H on October 2025
The Thurmont, MD homeowners’ guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.

Crawl space insulation costs vary by size, insulation type, and material. Read this guide to learn how much your crawl space insulation could cost.

Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.

How much does a radiant barrier cost? Our guide breaks down prices by type of barrier and size of your attic space.

Insulating your walls requires the right insulation and installation method. Keep reading to learn how to insulate a wall without removing the drywall.

When comparing fiberglass insulation versus foam board, each has certain areas where it works better. Learn more about these home insulation options.

This guide breaks down what attic insulation is and its importance in keeping your home the temperature you want. Keep reading to learn more.
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"





