The Best Insulation Contractors in Jamestown, SC

Compare the highest-rated insulation professionals in Jamestown, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Lowcountry Insulation

4.8
(150 reviews)
Verified

A highly-rated, locally-owned and operated insulation contractor serving the entire Lowcountry region. They are known for their expertise in spray foam and blown-in insulation for both residential and commercial properties, with a strong focus on improving home energy efficiency.

1237 College Park Rd, Ladson, SC 29456 (This is a primary service location for the broader area, including Jamestown.)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Crawl space encapsulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

HomeCraft® Gutter Guard & Insulation

4.7
(90 reviews)
Verified

While also offering gutter services, this provider has a dedicated and well-reviewed insulation division. They emphasize a comprehensive approach to home performance, often combining insulation upgrades with air sealing services for maximum energy savings.

Serves the Tri-County area (Charleston, Berkeley, Dorchester) from their central dispatch.

Specialties & Features

Attic insulation removal and replacement
Air sealing services
Energy efficiency audits

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Atlas Insulation of Charleston

4.6
(110 reviews)
Verified

As part of a larger national franchise with a local owner, Atlas brings standardized processes and training to the Charleston area. They are recognized for their detailed assessments and use of various insulation types, including fiberglass batts, cellulose, and spray foam.

4155-B Dorchester Rd, North Charleston, SC 29405 (Services Jamestown and surrounding areas.)

Specialties & Features

Wall insulation services
Basement and crawl space insulation
Insulation removal

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Jamestown

The insulation market in and around Jamestown, SC, is characterized by a reliance on regional contractors from the greater Charleston and Berkeley County area. Due to Jamestown's rural and residential nature, there are no major insulation manufacturers or a high density of dedicated contractors within the town itself. The competition is moderate, with a handful of established, reputable companies vying for business. The average quality of service is high, as these companies must maintain strong reputations across a wider geographic area. Homeowners in Jamestown are typically served by contractors based in Ladson, North Charleston, Moncks Corner, and Summerville. Typical pricing is influenced by the hot and humid coastal climate, which creates a high demand for moisture control and efficient cooling. Spray foam insulation, while more expensive upfront ($1.50 - $3.50 per board foot), is a popular choice for its superior air sealing and high R-value. Blown-in cellulose or fiberglass for attics is more common for retrofits and budget-conscious projects, typically ranging from $1,500 to $4,500 for an average home. Many providers offer free energy audits and consultations, and they are generally well-versed in South Carolina's building codes and any available local utility rebates for energy efficiency upgrades.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Jamestown regulations and climate

Frequently Asked Questions About Insulation in Jamestown

Get answers to common questions about insulation services in Jamestown, South Carolina.

1What is the most important type of insulation for homes in Jamestown, SC, given our local climate?

For our humid subtropical climate with hot summers and mild winters, attic insulation is the most critical. Proper attic insulation (typically aiming for R-38 to R-60) acts as a primary barrier against radiant heat gain, which is the main driver of high cooling costs and discomfort from May through September. Ensuring your attic is well-sealed and insulated provides the highest return on investment for Jamestown homeowners.

2Are there any local rebates or incentives in South Carolina for upgrading home insulation?

Yes, homeowners in Jamestown can access specific utility rebates. For example, Berkeley Electric Cooperative and Santee Electric Cooperative often offer rebates for adding attic insulation to existing homes. Additionally, the federal tax credits for energy efficiency (26C) remain available for qualified insulation improvements, making it financially advantageous to upgrade.

3When is the best time of year to have insulation installed in my Jamestown home?

The ideal times are during the milder seasons of spring (March-May) and fall (September-November). This avoids the extreme attic heat of summer, which can be dangerous for installers and affect some materials, and the potential for winter moisture issues. Scheduling during these periods also ensures your home is prepared for the upcoming peak heating or cooling season.

4How do I choose a reliable insulation contractor serving the Jamestown area?

Always verify the contractor is licensed by the South Carolina Residential Builders Commission (license prefix "RBC") and carries proper insurance. Ask for local references in the Tri-County area and ensure they provide a detailed, written estimate that includes the R-value, material type, and square footage. A reputable provider will also conduct a pre-installation assessment to identify air leaks and moisture issues specific to our coastal plain region.

5Should I be concerned about moisture or mold with new insulation in our humid climate?

Absolutely, moisture management is paramount. In Jamestown's high humidity, installing a vapor barrier (or using vapor-retardant insulation like closed-cell spray foam) in certain areas like crawl spaces is crucial to prevent condensation within walls. A professional contractor will assess your home's ventilation, particularly in the attic and crawl space, to ensure the insulation system works to control moisture, not trap it.