Compare the highest-rated insulation professionals in Duncan, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, modern insulation company known for its expertise in both new installations and retrofit projects. They emphasize education, energy efficiency, and using the right type of insulation for each specific application. Their service area explicitly includes Spartanburg County and Duncan.
A full-service HVAC and home performance contractor that has expanded into comprehensive insulation services. Their integrated approach is a significant strength, as they can perform energy audits, air sealing, and insulation work to create a fully optimized building envelope.
A specialized insulation contractor focused solely on insulation and air sealing, bringing deep expertise in all major insulation types. They are known for their professional work on both residential and light commercial projects and have a strong local presence in the Spartanburg/Greer area.
** The insulation market in and around Duncan, SC, is characterized by a mix of long-standing local specialists and newer, franchise-based models that have entered the growing Upstate region. The overall quality of providers is good, with several companies holding relevant certifications (like BPI) and demonstrating a strong understanding of the specific climate challenges in South Carolina, such as high humidity and hot summers. Competition is moderate but healthy, which benefits consumers through competitive pricing and a focus on customer service. Due to Duncan's location between the larger markets of Spartanburg and Greenville, residents have access to a wider pool of contractors than the town's size might suggest. Typical pricing is in line with regional averages. For a standard attic blown-in fiberglass insulation job, homeowners can expect a range of **$1,500 - $3,500**, heavily dependent on square footage and existing conditions. Spray foam insulation is a premium service, with costs often ranging from **$3,500 to $7,500+** for an entire attic. Most reputable companies offer free, in-home estimates and are knowledgeable about local building codes and potential rebates from utilities like Duke Energy. The trend in the market is increasingly towards a whole-home performance approach, combining air sealing with insulation upgrades for maximum energy efficiency.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Duncan regulations and climate
Get answers to common questions about insulation services in Duncan, South Carolina.
For our humid subtropical climate with hot summers and mild winters, attic insulation is the absolute top priority to block heat gain. We recommend high R-value materials like blown-in cellulose or fiberglass batts (R-38 to R-60) in the attic. Properly insulating crawl spaces is also critical in Duncan to control moisture, prevent mold, and improve air sealing, which directly impacts comfort and energy bills year-round.
Costs vary based on home size, material, and area insulated, but for a standard attic project in Duncan, homeowners can expect to invest between $1,500 and $3,500. Regional material costs and South Carolina's sales tax apply. It's important to note that while upfront costs are a factor, proper insulation typically pays for itself within a few years through significant savings on cooling costs, which are a major expense for Upstate SC summers.
The ideal times are during the milder seasons of spring (March-May) and fall (September-November). This avoids the extreme heat of a Duncan summer, which can make attic work unsafe and uncomfortable, and allows you to prepare your home before peak cooling or heating demand. Scheduling during these off-peak periods can also lead to better availability from local contractors.
Always verify the contractor is licensed and insured to work in South Carolina. Look for established local companies with strong knowledge of building practices common to our area, such as dealing with older homes or specific crawl space challenges. Ask for references from nearby projects and ensure they provide a detailed, written estimate that includes the R-value, material type, and square footage to be covered.
Yes, homeowners should check for current incentives. Duke Energy, which serves the Duncan area, frequently offers rebates for adding attic insulation to existing homes. Additionally, the federal energy efficiency tax credit (26 USC Section 25C) can provide a credit for a percentage of the cost of qualified insulation materials. Always consult with your contractor and utility provider for the most up-to-date program details before starting your project.