The Best Insulation Contractors in Saint George, SC

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

#1

Koala Insulation of Summerville

4.8
(150 reviews)
Verified

A highly-rated, modern insulation contractor known for its clear communication and educational approach. They specialize in both new installations and upgrading old insulation, with a strong focus on improving home energy efficiency and comfort. They serve the entire Lowcountry region, including Saint George.

110 Rose Dr, Summerville, SC 29483 (This is their primary business address; they are mobile and serve Saint George.)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Lowcountry Insulation

4.7
(80 reviews)
Verified

A well-established local contractor with a strong reputation for professional and reliable service. They have extensive experience with residential projects throughout the Lowcountry and are knowledgeable about the specific humidity and climate challenges of South Carolina, making them a great fit for basement and crawl space work.

Serves the Greater Charleston Area, including Saint George, SC.

Specialties & Features

Crawl space insulation
Attic insulation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Energy Solutions of the Carolinas

4.6
(100 reviews)
Verified

While based slightly farther away, this company is a top contender due to its deep specialization in comprehensive home performance and energy efficiency. They go beyond basic insulation to diagnose the entire building envelope, making them ideal for homeowners seeking maximum energy savings and comfort through audits and advanced air sealing.

2245 Ashley River Rd, Charleston, SC 29414 (Serves a wide radius including Saint George.)

Specialties & Features

Energy efficiency audits
Air sealing services
Spray foam insulation

Business Information

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

Why These Are the Top Insulation Contractors in Saint George

** The insulation market serving Saint George, SC, is characterized by a reliance on regional contractors from larger neighboring cities like Summerville and Charleston. As a smaller, rural town, there are few, if any, dedicated insulation companies physically located within the Saint George city limits. The competition is moderate, with a handful of established, reputable providers dominating the regional market. The average quality of service is high among the top-tier contractors, who are well-versed in the local building codes and the specific needs of South Carolina's hot, humid climate, such as managing moisture in crawl spaces and attics. Typical pricing is competitive with national averages but can vary significantly based on the insulation material (e.g., fiberglass batts vs. spray foam) and the scope of the project (e.g., a single attic vs. a whole-home retrofit with air sealing). Homeowners are advised to obtain multiple quotes. Many of the leading providers are also adept at informing customers about potential rebates and incentives for energy-efficient upgrades available through state or utility programs.

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 Saint George regulations and climate

Frequently Asked Questions About Insulation in Saint George

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

1What is the best type of insulation for my home in Saint George, given our hot, humid summers and mild winters?

For our climate, spray foam insulation (especially closed-cell) is highly effective as it provides both a high R-value per inch and a critical air barrier to combat humidity. However, blown-in cellulose or fiberglass in attics is a very cost-effective choice for improving existing attic insulation. A professional assessment is key, as the best type depends on your home's construction, budget, and specific air sealing needs to manage South Carolina's humidity.

2How much does insulation installation typically cost for a home in the Saint George area?

Costs vary widely based on the insulation material, home size, and area being insulated. For a standard attic project, homeowners in the Lowcountry can expect to pay between $1,500 to $4,500. Spray foam is a premium option costing more upfront but offers long-term energy savings. Always get 2-3 detailed, written estimates from local contractors that break down material costs, R-value, and labor.

3Are there any local rebates or incentives in South Carolina for upgrading my home's insulation?

Yes, South Carolina homeowners should first check for federal tax credits for qualified insulation improvements. Locally, many utilities, such as Santee Electric Cooperative which serves the Saint George area, offer energy efficiency rebates or home energy audits that can identify cost-effective insulation upgrades. These programs can significantly offset your initial investment.

4When is the best time of year to have insulation installed in Saint George?

While insulation can be installed year-round, the ideal times are late fall and early spring. These periods offer milder temperatures, making it more comfortable for workers in your attic and allowing for proper curing of materials like spray foam. Avoid the peak summer heat if possible, as attic temperatures can be dangerously high for installation work.

5What should I look for when choosing an insulation contractor in Dorchester County?

Always verify the contractor is licensed and insured in South Carolina. Look for established local companies with strong references in the Saint George/Walterboro area, as they understand our specific climate challenges. Ensure they provide a detailed contract specifying the R-value to be installed (not just depth), the exact material, and include air sealing services, which are crucial for energy efficiency in our region.