Get matched with the best Insulation Installation pros in Charleston, SC

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Brothers Builders And Renovations, LLC

★ ★ ★ ★ ★ 4.8 (16 reviews)

Charleston, SC 29401

Brothers Builders and Renovations, LLC, established in 2005, provides reliable residential and commercial repair and renovation services in the Lowcountry. We are committed to high-quality workmanship...

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Blantons Mechanical & Sons

★ ★ ★ ★ ★ 4.7 (13 reviews)

Charleston, SC 29470

1 project

Blantons Mechanical & Sons is your comprehensive solution for heating, air conditioning, plumbing, and air quality needs. Our expert team specializes in duct repairs and replacements, spray foam insul...

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Tideline Homes - Insulation Installation in Charleston, SC

Tideline Homes

★ ★ ★ ★ ★ 5.0 (1 review)

Charleston, SC 29412-4121

22 projects

Tideline Homes is a comprehensive residential construction company based in Charleston, SC, with over 30 years of experience. We specialize in home renovations, remodeling, and additions, including ba...

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IBuild, LLC

★ ★ ★ ★ ★ 4.7 (25 reviews)

Johns Island, SC

iBuild, LLC is a premier general contracting firm based in South Carolina, dedicated to delivering high-quality construction services. Our team of skilled professionals is committed to excellence and...

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Tri-county Roofing & Siding

★ ★ ★ ★ ★ 4.6 (14 reviews)

Ladson, SC 29456

Tri-County Roofing & Siding is a family and veteran-owned full-service roofing company, proudly serving Charleston, SC, and surrounding areas since 1973. We specialize in providing high-quality roofin...

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Kalman Construction - Insulation Installation in North Charleston, SC

Kalman Construction

★ ★ ★ ★ ★ 4.7 (11 reviews)

North Charleston, SC 29405

5 projects

Founded in 1988 by Kevin and Betsy Kalman on Nantucket Island, MA, Kalman Construction specializes in custom home building and historic restorations. Committed to quality and customer comfort, the com...

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Verified Reviews for Insulation Installation pros in Charleston, SC

*The Growcycle rating for Insulation Installation companies in Charleston, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Installation needs.

Last update on July 11, 2026

Jessica Parker

Reviewed in October 2025

Blantons Mechanical & Sons provided exceptional service when my HVAC system failed. They were prompt, professional, and very knowledgeable. Highly recommend!

Blantons Mechanical & Sons Request a quote

William Rogers

Reviewed in January 2026

The team did a fantastic job on my kitchen remodel. Everything was done on time and with great attention to detail. Highly recommend!

Brothers Builders and Renovations, LLC Request a quote

Dylan Edwards

Reviewed in August 2025

Amazing service! They completed my roof replacement quickly and professionally. Highly recommend for any roofing needs!

iBuild, LLC Request a quote

Renee Hernandez

Reviewed in November 2025

Tri-County Roofing & Siding did an amazing job on my roof replacement! Their team was professional, fast, and the quality is top-notch. Highly recommend!

Tri-county Roofing & Siding Request a quote

David Anderson

Reviewed in February 2026

The service was excellent, and the project was completed on time. I’m very happy with how everything turned out.

Kalman Construction Request a quote

Cost Guide

How much does Insulation Installation cost in Charleston, SC?

Typical insulation installation projects in Charleston, SC range from $1,500 to $6,000, with most homeowners paying around $3,000.

$1,500

$3,000 Typical cost in Charleston, SC

$6,000

LOWHIGH

Prices vary by project scope, materials, and local labor rates.

Per Sq Ft $0.50–$2

Per Attic $1,000–$2,500

Per Wall $1,500–$4,000

Last updated: April 2026

Insulation installation in Charleston, SC typically costs between $1,500 and $6,000, with an average cost around $3,000. Factors influencing these costs include the type of insulation used, the area needing insulation, and the complexity of the installation.

Charleston contractors generally charge between $40 and $70 per hour for insulation installation. Most insulation projects do not require permits, but it's always wise to check with the City of Charleston for any specific regulations or guidelines.

When comparing insulation installation quotes in Charleston, focus on the R-value of materials and the thoroughness of the installation process.

What affects the cost in Charleston, SC?

Charleston Labor Rates

Licensed insulation contractors in Charleston charge $40–$70/hr based on their experience and the type of insulation being installed. Higher rates may reflect specialized knowledge in energy-efficient installations.

Permits & Inspections

Most insulation installation jobs do not require permits in Charleston, but it's advisable to check with the City of Charleston for any local requirements. Proper installation is crucial for energy efficiency and may require inspection in some cases.

Material Selection & Quality

Choosing between fiberglass, spray foam, or cellulose insulation can impact your total cost by 15–30%. Each material has different benefits regarding energy efficiency and installation ease.

Seasonal Demand & Scheduling

Charleston has a mild climate, making insulation work feasible year-round. However, scheduling during the fall can be beneficial as homeowners prepare for winter heating needs.

Frequently Asked Questions About Insulation Installation in Charleston, SC

How can I improve the insulation in my attic?

Improving insulation in your attic can significantly enhance your home’s energy efficiency. In Charleston, consider adding additional layers of insulation or upgrading to a higher R-value material. Sealing air leaks around vents, ducts, and the attic door is also crucial to prevent heat loss. A professional can help assess your attic’s current insulation and recommend the best solutions for enhancing performance. Proper attic insulation can lead to lower energy bills and a more comfortable living space year-round.

How do I know if my home needs more insulation?

Signs that your home may need more insulation include drafts, uneven temperatures between rooms, and high energy bills. In Charleston, if you notice that certain areas of your home feel much colder or warmer than others, it may indicate inadequate insulation. Additionally, checking your attic and crawl spaces for insufficient insulation can provide insights. A professional energy audit can help identify problem areas and recommend appropriate insulation solutions to enhance your home’s efficiency.

What are the benefits of proper insulation in my home?

Proper insulation in your home offers numerous benefits, including improved energy efficiency, enhanced comfort, and reduced energy bills. In Charleston, where the climate can vary significantly, adequate insulation helps maintain a consistent indoor temperature by preventing heat loss in winter and keeping cool air inside during summer. Additionally, good insulation can reduce noise pollution and create a more peaceful living environment. Investing in quality insulation can pay off in the long run through energy savings and increased home value.

What is the installation process for insulation?

The installation process for insulation typically involves several key steps, starting with a thorough assessment of the areas needing insulation. In Charleston, professionals will measure the spaces and recommend the appropriate insulation type. They will then prepare the area by sealing any gaps or leaks. Next, insulation is installed according to manufacturer guidelines, ensuring proper coverage and density. After installation, a final inspection ensures that everything is up to code. Proper installation is critical for maximizing the insulation’s effectiveness and longevity.

What types of insulation are available for my home?

There are several types of insulation available, including fiberglass, foam board, and spray foam. In Charleston, fiberglass insulation is popular for its affordability and effectiveness, while spray foam offers superior air sealing properties. Additionally, cellulose insulation, made from recycled materials, is an eco-friendly option that provides excellent thermal performance. Choosing the right type of insulation depends on your home’s specific needs, climate conditions, and budget. Consulting with an insulation professional can help you determine the best solution.

Common Insulation Installation services and their costs

Typical pricing in Charleston, SC by service type.

Attic Insulation

Maximize Energy Efficiency

Method	Cost Range
Fiberglass Batts Standard insulation method using batts.	$1,000–$2,500
Spray Foam High R-value insulation applied as foam.	$2,000–$4,000
Cellulose Insulation Eco-friendly blown-in insulation.	$1,500–$3,500
Reflective Insulation Reflective insulation for attics in warm climates.	$1,200–$3,000

Wall Insulation

Improve Comfort Levels

Method	Cost Range
Interior Wall Insulation Insulating interior walls for sound and temperature control.	$1,500–$4,000
Exterior Wall Insulation Insulating exterior walls for better energy efficiency.	$2,000–$5,000
Cavity Wall Insulation Filling cavities in walls with insulation material.	$1,800–$4,500
Soundproofing Insulation Special insulation for soundproofing rooms.	$2,000–$4,000

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Price ranges are estimates compiled from publicly available data and may vary with project scope.

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Get matched with the best Insulation Installation pros in Charleston, SC

Which of the following best matches your project?

Brothers Builders And Renovations, LLC

Blantons Mechanical & Sons

Tideline Homes

IBuild, LLC

Tri-county Roofing & Siding

Kalman Construction

Verified Reviews for Insulation Installation pros in Charleston, SC

Jessica Parker

William Rogers

Dylan Edwards

Renee Hernandez

David Anderson

How much does Insulation Installation cost in Charleston, SC?

What affects the cost in Charleston, SC?

Frequently Asked Questions About Insulation Installation in Charleston, SC

Common Insulation Installation services and their costs

Attic Insulation

Wall Insulation

Find Insulation Installation Pros in other cities near you

Related services for your Insulation Installation project

Find Pros for other jobs in Charleston