
Get matched with top insulation pros in Dover, NJ
There are 25 highly-rated local insulation pros.
Need a pro for your insulation service project in Dover, NJ?
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Verified Reviews for Insulation Service pros in Dover, NJ
*The Angi rating for Insulation Service companies in Dover, NJ 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 Dover, NJ 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 04, 2025
Find Insulation pros in Dover

Master Attic, LLC
Master Attic, LLC
Servicing NJ/PA/DE At Master Attic, our goal is to provide you with the highest quality materials and workmanship at an affordable price. We are a team of licensed, trained professionals with 20+ years of experience in insulation and rodent solutions. May it be rodent proofing, insulation removal, insulation installation, sanitizing, moisture barrier, radiant barrier, air duct repair replacement, or crawlspace cleaning, we have you covered. Do you hear noises in the attic? Smell something in the crawl space!? Schedule an appointment today, and have one of our technicians come out to assess the area and provide a free detailed estimate for the project.
"I RECENTLY HAD MY ATTIC INSULATION REPLACED BY MASTER ATTIC. ALEX CAME OUT RIGHT ON SCHEDULE AND GAVE ME A FAIR PRICE. ( I DID HAVE 4 OTHER ESTIMATES) THE CREW LEAD BY ROBERTO WAS AMAZING. THEY WERE VERY CONSIDERATE, CAREFUL IN MAKING SURE THE AREA WAS SEALED OFF AND WERE VERY CAREFUL OF MY PERSONAL BELONGINGS. THEY DID A GREAT JOB IN REMOVING OLD INSULATION , VACUUMING OUT THE ATTIC ,SPRAYED AREA AND SEALED ANY OPENINGS. BEFORE THEY BROUGHT IN NEW INSULATION, THEY ASKED ME IF I WISHED TO TO VIEW THE ATTIC AND I DID. I WAS AMAZED EVEN AT THIS POINT, HOW CLEANED EVERYTHING LOOKED . (THIS INSULATION HAD BEEN UP THERE FOR 70 YEARS) NEW INSULATION WAS INSTALLED AND IT LOOKS GREAT. THE CREWED CLEANED UP EVERYTHING , EVEN VACUUMED THE AREA IN THE ROOM. ALL BAGS OF OLD INSULATION WERE REMOVED PROMPTLY AND I WOULD HIGHLY RECOMMEND THEM TO ANYONE."
Robin S on September 2025
Servicing NJ/PA/DE At Master Attic, our goal is to provide you with the highest quality materials and workmanship at an affordable price. We are a team of licensed, trained professionals with 20+ years of experience in insulation and rodent solutions. May it be rodent proofing, insulation removal, insulation installation, sanitizing, moisture barrier, radiant barrier, air duct repair replacement, or crawlspace cleaning, we have you covered. Do you hear noises in the attic? Smell something in the crawl space!? Schedule an appointment today, and have one of our technicians come out to assess the area and provide a free detailed estimate for the project.
"I RECENTLY HAD MY ATTIC INSULATION REPLACED BY MASTER ATTIC. ALEX CAME OUT RIGHT ON SCHEDULE AND GAVE ME A FAIR PRICE. ( I DID HAVE 4 OTHER ESTIMATES) THE CREW LEAD BY ROBERTO WAS AMAZING. THEY WERE VERY CONSIDERATE, CAREFUL IN MAKING SURE THE AREA WAS SEALED OFF AND WERE VERY CAREFUL OF MY PERSONAL BELONGINGS. THEY DID A GREAT JOB IN REMOVING OLD INSULATION , VACUUMING OUT THE ATTIC ,SPRAYED AREA AND SEALED ANY OPENINGS. BEFORE THEY BROUGHT IN NEW INSULATION, THEY ASKED ME IF I WISHED TO TO VIEW THE ATTIC AND I DID. I WAS AMAZED EVEN AT THIS POINT, HOW CLEANED EVERYTHING LOOKED . (THIS INSULATION HAD BEEN UP THERE FOR 70 YEARS) NEW INSULATION WAS INSTALLED AND IT LOOKS GREAT. THE CREWED CLEANED UP EVERYTHING , EVEN VACUUMED THE AREA IN THE ROOM. ALL BAGS OF OLD INSULATION WERE REMOVED PROMPTLY AND I WOULD HIGHLY RECOMMEND THEM TO ANYONE."
Robin S on September 2025

Jersey State Insulations
Jersey State Insulations
Jersey State provides insulations such as: closed/open cell insulation, blown in insulation, sound and firestop insulation. We also retrofit houses for green and comfort energy. Family owned and operated. Business experience 15 years plus
"I recently hired Sebastian and his company to install new fiberglass insulation and Densepack in my attic. I found them to be extremely professional. They did the work as quoted, cleaned up after they were done and took all the trash away. I would highly recommend them."
Gail S on July 2025
Jersey State provides insulations such as: closed/open cell insulation, blown in insulation, sound and firestop insulation. We also retrofit houses for green and comfort energy. Family owned and operated. Business experience 15 years plus
"I recently hired Sebastian and his company to install new fiberglass insulation and Densepack in my attic. I found them to be extremely professional. They did the work as quoted, cleaned up after they were done and took all the trash away. I would highly recommend them."
Gail S on July 2025
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Acorn Home Improvements Inc
Acorn Home Improvements Inc
We are local, family owned home improvement company specializing in wood and vinyl replacement windows, vinyl siding, roofing and blown-in cellulose insulation. We are fully licensed and insured. We offer free in home consultations and estimates, with the use of thermal-imaging technology. We have been serving the community for 30 years, with a reputation of delivery high quality products at a great value. Additional email: [email protected].
"Acorn was great. As a first time homeowner, I appreciated the recommendations they made for replacing the old insulation in our attic and getting the largest bang for our buck. At the same time, they didn't try to upsell us on things other contractors recommended. Overall, the price was competitive and the work quality was high."
Sam R on December 2024
We are local, family owned home improvement company specializing in wood and vinyl replacement windows, vinyl siding, roofing and blown-in cellulose insulation. We are fully licensed and insured. We offer free in home consultations and estimates, with the use of thermal-imaging technology. We have been serving the community for 30 years, with a reputation of delivery high quality products at a great value. Additional email: [email protected].
"Acorn was great. As a first time homeowner, I appreciated the recommendations they made for replacing the old insulation in our attic and getting the largest bang for our buck. At the same time, they didn't try to upsell us on things other contractors recommended. Overall, the price was competitive and the work quality was high."
Sam R on December 2024
Beavers Building, Home Improvement & Repair
Beavers Building, Home Improvement & Repair
Premium home improvement company specializing in carpentry and drywall. We offer services for renovations, restorations, and additions.
"Beavers Building is awesome. From planning to completion Musaddiq was amazing. He has an attention to detail that is honest and refreshing. I would definitely recommend Beavers Building for home improvement needs. Musaddiq turned my dreary ceiling into a beautiful focal point. He does not rush and problem solves as he creates the final product. I cannot say enough about his work. I hope to work with him in the future!"
Charles E on September 2025
Premium home improvement company specializing in carpentry and drywall. We offer services for renovations, restorations, and additions.
"Beavers Building is awesome. From planning to completion Musaddiq was amazing. He has an attention to detail that is honest and refreshing. I would definitely recommend Beavers Building for home improvement needs. Musaddiq turned my dreary ceiling into a beautiful focal point. He does not rush and problem solves as he creates the final product. I cannot say enough about his work. I hope to work with him in the future!"
Charles E on September 2025
Landa Home Improvement LLC
Landa Home Improvement LLC
I am Raul Landa, owner of my business Landa Home Improvement LLC. I've been a general Home Improvement Contractor for approx. 10 years. Serving Sussex County NJ and the surrounding counties. My services include: demolition, remodeling, painting, tile & flooring, kitchen & bathroom remodeling, siding, door installations, stair installation & railings, porches & decks, framing, insulation, and more. Please provide a detailed description of your project. Contact: 973 868 0474.
I am Raul Landa, owner of my business Landa Home Improvement LLC. I've been a general Home Improvement Contractor for approx. 10 years. Serving Sussex County NJ and the surrounding counties. My services include: demolition, remodeling, painting, tile & flooring, kitchen & bathroom remodeling, siding, door installations, stair installation & railings, porches & decks, framing, insulation, and more. Please provide a detailed description of your project. Contact: 973 868 0474.
ARG SOLUTIONS ON TIME
ARG SOLUTIONS ON TIME
Family-owned company with skilled HVAC Service Technician with 15+ years of experience in maintaining and preparing customer heating and cooling systems. Customer and safety-oriented professional able to handle heavy workloads and deliver high-quality installations and repairs.
Family-owned company with skilled HVAC Service Technician with 15+ years of experience in maintaining and preparing customer heating and cooling systems. Customer and safety-oriented professional able to handle heavy workloads and deliver high-quality installations and repairs.
R&M insulation spray foam
R&M insulation spray foam
R&M spray foam insulation: we are located in Flemington New Jersey, we are specialists and Spray Foam, and all kind of insulation
R&M spray foam insulation: we are located in Flemington New Jersey, we are specialists and Spray Foam, and all kind of insulation
Ridge One Construction LLC
Ridge One Construction LLC
General contractor specializing in remodels from start to finish. Whether you are looking for an addition, bathroom remodel or someone to help tackle your honey do lists we have got you covered.
"Absolutely 10/10 would recommend and use again! He answered in reasonable time, walked us through everything he was going to do / needed to be done, on time, and priced great! Everything came out amazing!"
Amanda M on March 2024
General contractor specializing in remodels from start to finish. Whether you are looking for an addition, bathroom remodel or someone to help tackle your honey do lists we have got you covered.
"Absolutely 10/10 would recommend and use again! He answered in reasonable time, walked us through everything he was going to do / needed to be done, on time, and priced great! Everything came out amazing!"
Amanda M on March 2024
M6 Builders LLC
M6 Builders LLC
Premium commercial & residential builders. Building & Carpentry Services including Trims, Drywall, Framing, Insulation, Wall & Floors, Ceilings, Demolition, Doors, Painting & More! Minority Owned Fully Licensed & Insured OSHA 30+
Premium commercial & residential builders. Building & Carpentry Services including Trims, Drywall, Framing, Insulation, Wall & Floors, Ceilings, Demolition, Doors, Painting & More! Minority Owned Fully Licensed & Insured OSHA 30+
Home Genius Exteriors
Home Genius Exteriors
Elevate your home with Home Genius Exteriors, setting the standard in New Jersey 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 guys did a great job on my windows!"
Ambrose P on September 2025
Elevate your home with Home Genius Exteriors, setting the standard in New Jersey 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 guys did a great job on my windows!"
Ambrose P on September 2025
The Dover, NJ homeowners’ guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.
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.
The cost to insulate a basement varies based on materials, size, and other factors, as well as how much of the work you wish to perform yourself.
Learn the key factors that influence the cost of renting a blown-in insulation machine.
Proper insulation is a win for your home, health, and energy bills. Between rockwool and fiberglass, which insulation comes out on top? Let’s find out.
Wondering how much insulation to buy? Use our calculator to determine how much insulation you need based on your home's square footage and R-value needs.
When comparing fiberglass insulation versus foam board, each has certain areas where it works better. Learn more about these home insulation options.
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