Compare the highest-rated insulation professionals in Clemson, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, modern insulation company that emphasizes education and a wide range of services, including energy efficiency audits. They are part of a national brand with strong local franchise ownership, ensuring professional processes and customer service. They specialize in both residential and commercial projects and are known for their detailed assessments.
A long-standing, local family-owned business with deep roots in the Upstate community. Their longevity is a testament to their reliability and quality workmanship. They have extensive experience with all types of insulation and are well-versed in the specific needs of homes in the Clemson area, including crawl space and basement moisture control.
This provider takes a holistic, building science approach to insulation, focusing heavily on the home as a complete system. They are experts in achieving high levels of energy efficiency and comfort, often working on projects aiming for certifications like ENERGY STAR. Their services are ideal for homeowners serious about maximizing performance and leveraging potential rebates.
** The insulation market in Clemson is competitive but fragmented. It is characterized by a few specialized, high-quality regional providers (like those listed above) and a larger number of general contractors or handymen who may offer insulation as a secondary service. The presence of Clemson University drives demand for both modern, efficient new construction and the retrofitting of older rental properties and faculty homes. **Average Quality:** The top-tier providers offer excellent quality, utilizing modern materials like spray foam and dense-pack cellulose and adhering to best practices in building science. However, the market also has lower-tier options, so due diligence is critical for homeowners. **Competition Level:** Moderate to High. While there aren't dozens of dedicated insulation companies within the city itself, the broader Greenville-Anderson- Clemson corridor is a vibrant market that attracts many skilled tradespeople. Reputation and verified reviews are the key differentiators. **Typical Pricing:** Pricing is in line with regional averages. As a rough guide: * **Blown-in Attic Insulation:** $1,500 - $3,500 * **Spray Foam (Open Cell):** $2.50 - $4.50 per board foot (for attic rafters) * **Whole-House Air Sealing:** $500 - $2,000+ * **Energy Audit:** $300 - $600 Pricing is highly dependent on home size, existing conditions, insulation material (fiberglass batts are cheaper; spray foam is premium), and the complexity of the job. All top providers offer free, detailed quotes. Homeowners should inquire about potential rebates from Duke Energy, which can significantly offset the cost of energy audits and certain insulation upgrades.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Clemson regulations and climate
Get answers to common questions about insulation services in Clemson, South Carolina.
For Clemson's humid subtropical climate with hot summers and mild winters, spray foam and blown-in cellulose are highly effective. Spray foam provides an excellent air seal to combat humidity, while cellulose offers great thermal performance and is often made from recycled materials. The best choice depends on your home's structure, budget, and whether you're targeting air sealing (where spray foam excels) or adding insulation to existing cavities.
In the Clemson area, attic insulation costs vary based on material and square footage. For a standard 1,500 sq ft attic, blown-in cellulose can range from $1,500 to $2,500, while spray foam can be $3,500 to $6,500+. Local factors like attic accessibility and the need for old insulation removal can affect the price. Always get itemized estimates from local contractors that include labor, materials, and R-value specifications.
Fall and early spring are ideal in Clemson, as temperatures are milder, allowing for proper installation without the extreme attic heat of summer or the occasional winter cold snap. This timing also ensures your home is prepared for both peak cooling and heating seasons. Scheduling during these shoulder seasons can also be easier with local contractors before their busiest summer and winter rushes.
Yes, insulation installations must meet the 2021 International Energy Conservation Code (IECC) adopted by South Carolina, which specifies minimum R-values for different parts of your home. While state-specific rebates are limited, Clemson homeowners should check with Duke Energy for potential energy audit rebates and federal tax credits for qualified insulation improvements, which can cover 30% of the cost up to $1,200 annually.
Prioritize contractors licensed in South Carolina with specific experience in insulation and air sealing. Ask for proof of insurance, local references, and detailed written estimates. A reputable Clemson-area contractor should understand local humidity challenges and perform a thorough assessment of your attic and crawl space, as moisture control in these areas is critical for long-term performance and preventing mold.