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    Verified insulation services reviews

Find Insulation pros in Malvern

Avatar for Alligood Energy

Alligood Energy

Coulter Street
4.85(
103
)
Approved Pro

Alligood Energy

Coulter Street
4.85(
103
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
76 local quotes requested

Alligood Energy is a result of 35+ years in the energy sector providing renewable energy solutions for military bases, nuclear facilities, universities, hospitals and residential housing. We have taken that experience to create a very unique and specialized company that provides energy auditing and consulting to the residential, commercial, industrial and institutional markets. For our customers we provide a whole house or building approach to energy savings that uses the latest technological equipment to identify where and how a home is losing energy, which systems are working inefficiently (heating & cooling, ventilation, etc.) and propose the most cost-effective solutions to rectify these problems to lower your energy impact. ***** We offer a $175 Home Energy Audit - Using a blower door and thermal imaging, our 1-1.5 hour whole house approach pinpoints costly energy problems and proposes effective solutions for improving savings & comfort in your home. If you are interested in implementing the solutions after the audit we also perform the work & run a test out upon completion to measure the improvements.

"On time, fast, clean, professional, great communication throughout the entire process."

Wesley P on August 2023

Alligood Energy is a result of 35+ years in the energy sector providing renewable energy solutions for military bases, nuclear facilities, universities, hospitals and residential housing. We have taken that experience to create a very unique and specialized company that provides energy auditing and consulting to the residential, commercial, industrial and institutional markets. For our customers we provide a whole house or building approach to energy savings that uses the latest technological equipment to identify where and how a home is losing energy, which systems are working inefficiently (heating & cooling, ventilation, etc.) and propose the most cost-effective solutions to rectify these problems to lower your energy impact. ***** We offer a $175 Home Energy Audit - Using a blower door and thermal imaging, our 1-1.5 hour whole house approach pinpoints costly energy problems and proposes effective solutions for improving savings & comfort in your home. If you are interested in implementing the solutions after the audit we also perform the work & run a test out upon completion to measure the improvements.

"On time, fast, clean, professional, great communication throughout the entire process."

Wesley P on August 2023



Avatar for Pelican Rose Construction, LLC

Pelican Rose Construction, LLC

No reviews yet

Pelican Rose Construction, LLC

No reviews yet
3 years of experience

With more than 30 years of a wide range of experience in construction and home enhancements, I know the frustrations of securing a contractor or following through with the job in a timely manner. I am an owner-operated, skilled, and performance-focused professional, that enjoys bringing a project from an idea to completion! From small "honey-do list" items to much larger projects, some of the services I offer: Deck Repair General Maintenance & Touch-Ups Floor Repair & Renewal Door Repair Drywall Repair Home Efficiency & Weatherization Painting Custom Millwork

With more than 30 years of a wide range of experience in construction and home enhancements, I know the frustrations of securing a contractor or following through with the job in a timely manner. I am an owner-operated, skilled, and performance-focused professional, that enjoys bringing a project from an idea to completion! From small "honey-do list" items to much larger projects, some of the services I offer: Deck Repair General Maintenance & Touch-Ups Floor Repair & Renewal Door Repair Drywall Repair Home Efficiency & Weatherization Painting Custom Millwork


"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


Wright Restoration Services

4071 W Lincoln Hwy
4.95(
19
)

Wright Restoration Services

4071 W Lincoln Hwy
4.95(
19
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Wright Restoration Services is the premiere mold testing and mold remediation contractor in Chester and Lancaster counties and the surrounding area. We are compliant with IICRC standards and have certifications in mold remediation which means that you no matter the size or scope of the project, you are in good hands. Our staff has more than 85 years of combined knowledge and experience in mold testing and remediation. Simply put, we know what needs to be done and you can be rest assured we will provide you with a safe and mold free home or business.

"I can't say enough about the work Wright did for us. We had a mold issue that required replacement of a large section of subfloor, drywall, trim work, and tile removal and installation. They even picked up a large kitchen cabinet for us and reinstalled it when the carpenter who rebuilt it was concerned about installing it due to the coronavirus. They were always very responsive, professional and extremely courteous, even checking in with us every day to see how the work went that day. I've never been more satisfied with a contractor, and would not even call another company if I needed this type of work done again."

Dave M on April 2020

Wright Restoration Services is the premiere mold testing and mold remediation contractor in Chester and Lancaster counties and the surrounding area. We are compliant with IICRC standards and have certifications in mold remediation which means that you no matter the size or scope of the project, you are in good hands. Our staff has more than 85 years of combined knowledge and experience in mold testing and remediation. Simply put, we know what needs to be done and you can be rest assured we will provide you with a safe and mold free home or business.

"I can't say enough about the work Wright did for us. We had a mold issue that required replacement of a large section of subfloor, drywall, trim work, and tile removal and installation. They even picked up a large kitchen cabinet for us and reinstalled it when the carpenter who rebuilt it was concerned about installing it due to the coronavirus. They were always very responsive, professional and extremely courteous, even checking in with us every day to see how the work went that day. I've never been more satisfied with a contractor, and would not even call another company if I needed this type of work done again."

Dave M on April 2020


Foam-Tech Insulation Service, Inc.

3840B Ridge Rd
No reviews yet

Foam-Tech Insulation Service, Inc.

3840B Ridge Rd
No reviews yet
18 years of experience

We install spray foam insulation into existing and new residences and commercial building. One of our biggest goals is to help our customers bring their energy costs down in order to save them money. Since 2007, Lee and Sandy Stoltzfus and their team have brought comfort and value to our customers' homes and buildings by installing spray foam insulation. Most of our sprayers have been with us for 7-11 years. Their experience is essential in providing a good quality insulation job. Lee is a certified Master Installer and Project Manager through the national Spray Polyurethane Foam Alliance. We have won a national award for spray foam in a commercial building, and worked on many innovative projects for our customers.

We install spray foam insulation into existing and new residences and commercial building. One of our biggest goals is to help our customers bring their energy costs down in order to save them money. Since 2007, Lee and Sandy Stoltzfus and their team have brought comfort and value to our customers' homes and buildings by installing spray foam insulation. Most of our sprayers have been with us for 7-11 years. Their experience is essential in providing a good quality insulation job. Lee is a certified Master Installer and Project Manager through the national Spray Polyurethane Foam Alliance. We have won a national award for spray foam in a commercial building, and worked on many innovative projects for our customers.


Avatar for Home Genius Exteriors

Home Genius Exteriors

2050 Springdale Rd
4.55(
95
)

Home Genius Exteriors

2050 Springdale Rd
4.55(
95
)
Customers say: Super punctual
902 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



Avatar for AV Contracting Inc

AV Contracting Inc

Based In
5.00(
26
)

AV Contracting Inc

Based In
5.00(
26
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

AV Contracting is a family-owned with more than 20 years of experience. We specialize in roof repair and replacement, siding and soffit installation,gutter and gutter guards. We warranted all of our work and our goal is satisfying our customers with quality and superior customer service No problem if is too big or small for us to solve the homeowner needs. We use the top-tier products from the industry's most reliable manufacturers, we consistently exceed expectations for roofing and siding needs. Fully insurance and license serving PA,DE,NJ. Please call for a no pressure free estimate. DOING GOOD AND HONEST WORK, TO CREATE A FRIENDSHIP FOREVER! *Senior, Military, and Veteran Discount.

"Construction in today’s world, where finding a reliable contractor or roofer can be a challenge, has truly astounded me. I reached out to about five different roofers for quotes, but it was AV who stood out. His first step was to inspect the attic before even looking at the roof, which was incredibly impressive. While others simply provided quotes based on their assumptions, AV took the time to ensure every detail was addressed. He even noticed something as minor as the bathroom vent not being connected, explaining how it could impact the new roof. His attention to detail, quality of service, and fair pricing are truly commendable in an industry where such standards are rare. Thank you so much for exceeding our expectations!"

JORGE T on May 2024

AV Contracting is a family-owned with more than 20 years of experience. We specialize in roof repair and replacement, siding and soffit installation,gutter and gutter guards. We warranted all of our work and our goal is satisfying our customers with quality and superior customer service No problem if is too big or small for us to solve the homeowner needs. We use the top-tier products from the industry's most reliable manufacturers, we consistently exceed expectations for roofing and siding needs. Fully insurance and license serving PA,DE,NJ. Please call for a no pressure free estimate. DOING GOOD AND HONEST WORK, TO CREATE A FRIENDSHIP FOREVER! *Senior, Military, and Veteran Discount.

"Construction in today’s world, where finding a reliable contractor or roofer can be a challenge, has truly astounded me. I reached out to about five different roofers for quotes, but it was AV who stood out. His first step was to inspect the attic before even looking at the roof, which was incredibly impressive. While others simply provided quotes based on their assumptions, AV took the time to ensure every detail was addressed. He even noticed something as minor as the bathroom vent not being connected, explaining how it could impact the new roof. His attention to detail, quality of service, and fair pricing are truly commendable in an industry where such standards are rare. Thank you so much for exceeding our expectations!"

JORGE T on May 2024


AJD Designs

102 Taggart Drive
No reviews yet

AJD Designs

102 Taggart Drive
No reviews yet
8 years of experience

New and upcoming general contracting company ran by myself an my partner. Very personable people. The goal is to provide customers with outstanding service an quality in a timely fashion. Being that I have just started my business depending on the size of the job, customers will be required to pay for materials an a portion of the quote to ensure all materials are present. We are very driven an dedicated individuals with one goal an that is customer satisfaction.

New and upcoming general contracting company ran by myself an my partner. Very personable people. The goal is to provide customers with outstanding service an quality in a timely fashion. Being that I have just started my business depending on the size of the job, customers will be required to pay for materials an a portion of the quote to ensure all materials are present. We are very driven an dedicated individuals with one goal an that is customer satisfaction.

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Insulation questions, answered by experts

Installing sheets of plywood over attic insulation is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air—so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home. 

It’s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you’ll need to install a subfloor before putting plywood over insulation in your attic.

The primary reason that insulation saves you money over time is that it reduces your energy bills by making your home more energy efficient. A crucial part of an insulation system is a properly installed vapor barrier. Local building codes dictate whether your insulation requires a vapor barrier based on the type installed. While some high-quality wool insulation may not technically need a vapor barrier, most municipalities still require one to meet code.

Insulation can be easy to install, depending on the condition of your walls, but there are many safety considerations and potential challenges involved. For example, most types of insulation are made from materials that can cause irritation if inhaled or if they come into contact with your skin. Additionally, installing insulation incorrectly can actually make moisture issues in your home worse.

While freezing pipes are less of a concern in warmer climates, pipe insulation can still be beneficial because it helps prevent condensation on cold water pipes, reducing the risk of moisture-related issues like mold growth. It also helps maintain water temperature, reducing the energy needed to heat and cool the water, which can ultimately lower your utility bills.

A garage ceiling needs a vapor barrier if it’s a heated garage or if you’re installing insulation in the ceiling. Without a vapor barrier, you risk moisture issues and mold growth. If you have an unheated garage and don’t plan on installing insulation that could get wet and harbor mold, the ceiling doesn't need a vapor barrier.

The Malvern, PA homeowners’ guide to insulation services

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