Get matched with top insulation pros in New Castle, DE
There are 12 highly-rated local insulation pros.
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TRUSTED BY NEW CASTLE, DE HOMEOWNERS
4.7 Average homeowner rating
131 Verified insulation services reviews
Verified Reviews for Insulation Service pros in New Castle, DE
*The Angi rating for Insulation Service companies in New Castle, DE 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 New Castle, DE 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 24, 2025
Find Insulation pros in New Castle
Master Attic, LLC
2486 Ridgeway Blvd
Master Attic, LLC
2486 Ridgeway Blvd
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
88 local quotes requested
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
Takedown Pest Control, LLC
204 Wooden Shoe Court Middletown, DE 19709
Takedown Pest Control, LLC
204 Wooden Shoe Court Middletown, DE 19709
Free onsite estimate
Takedown Pest Control, LLC providing customers with best-in-class pest management and home improvement solutions. Our areas of expertise include general pest control, wildlife removal, termite control, crawl space remediations, attic remediations, and mold removal. Call today for a free inspection! Ask about our first responder, military, and educator discounts!
Takedown Pest Control, LLC providing customers with best-in-class pest management and home improvement solutions. Our areas of expertise include general pest control, wildlife removal, termite control, crawl space remediations, attic remediations, and mold removal. Call today for a free inspection! Ask about our first responder, military, and educator discounts!
Big Day Painting & Home Improvement Services
Big Day Painting & Home Improvement Services
We provide professional painting, handyman, and home improvement services, throught the Tri-State area. We do it all.
We provide professional painting, handyman, and home improvement services, throught the Tri-State area. We do it all.
Lawson Home Services, LLC
115 Atlantic Avenue
Lawson Home Services, LLC
115 Atlantic Avenue
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.
"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"
Chris A on November 2023
Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.
"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"
Chris A on November 2023
Newman Waterproofing, LLC
Newman Waterproofing, LLC
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
Family owned business with over 20 years of experience handling all your Mold Testing & Remediation - Water & Smoke Damage. For residential and commercial.
"Great job. The crew set up a shield for the area, removed verticle blinds and had all the proper equipment. Mold was removed, ceiling and blinds treated and bactericidal paint used on the entire are. Also scraped and recaulked exterior top of window to prevent future moisture leak. Would definitely hire again but hope it's not needed! Thanks Steve!"
Patricia M on September 2025
Family owned business with over 20 years of experience handling all your Mold Testing & Remediation - Water & Smoke Damage. For residential and commercial.
"Great job. The crew set up a shield for the area, removed verticle blinds and had all the proper equipment. Mold was removed, ceiling and blinds treated and bactericidal paint used on the entire are. Also scraped and recaulked exterior top of window to prevent future moisture leak. Would definitely hire again but hope it's not needed! Thanks Steve!"
Patricia M on September 2025
Millennium HVAC
Millennium HVAC
Family Owned and Operated Heating and Cooling HVAC Company. Proving Heating and Cooling service and installations in PA DE and South Jersey for over 4 decades ! Unbeatable pricing Guaranteed!
Family Owned and Operated Heating and Cooling HVAC Company. Proving Heating and Cooling service and installations in PA DE and South Jersey for over 4 decades ! Unbeatable pricing Guaranteed!
Handyman Insulation
3310 Wrangle Hill Rd
Handyman Insulation
3310 Wrangle Hill Rd
With years of experience the Insulation industry, we are the experts you need to take care of your home or business. We handle all areas of the house with care. We will treat your home as we would treat our own Services Offered Batt, Rolled or Reflective Insulation Install Blown-in Insulation Install Spray Foam Insulation Install
With years of experience the Insulation industry, we are the experts you need to take care of your home or business. We handle all areas of the house with care. We will treat your home as we would treat our own Services Offered Batt, Rolled or Reflective Insulation Install Blown-in Insulation Install Spray Foam Insulation Install
Home Genius Exteriors
2050 Springdale Rd
Home Genius Exteriors
2050 Springdale Rd
Customers say: Super punctual
900 local quotes requested
Elevate your home with Home Genius Exteriors, setting the standard in Cherry Hill 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!
"Highly recommend. Great company with excellent communication."
Josh B on October 2025
Elevate your home with Home Genius Exteriors, setting the standard in Cherry Hill 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!
"Highly recommend. Great company with excellent communication."
Josh B on October 2025
Insulation questions, answered by experts
The New Castle, DE homeowners’ guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.
Wool insulation offers a higher R-value than fiberglass but is more expensive. Use this guide to estimate wool insulation costs for your home.
How much does a radiant barrier cost? Our guide breaks down prices by type of barrier and size of your attic space.
Learn the key factors that influence the cost of renting a blown-in insulation machine.
Learning how to install insulation requires technique, patience, and safety training. Read our guide to see if it’s a DIY project you should take on yourself.
Weigh the pros and cons of spray foam insulation before choosing an insulation to keep your home comfortable.
Crawl spaces are more than a small, uninhabitable space beneath your home. Learn how insulating your crawl space can make the area useful.
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What do you need done? We’ll find top pros.
- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"