Compare the highest-rated insulation professionals in Mount Pleasant, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-owned company specializing in comprehensive home performance and energy efficiency solutions. They are known for their thorough energy audits and expert installation of both spray foam and blown-in insulation, with a strong focus on air sealing to create a tight building envelope.
This provider has built a strong reputation specifically for insulation services across the Charleston metro. They offer a wide range of insulation types and are particularly noted for their attic insulation projects and insulation removal services for older homes in the area.
A respected contractor known for personalized service and expertise in handling the unique moisture and climate challenges of the Lowcountry. They excel in basement and crawl space encapsulation and insulation, in addition to standard attic and wall services.
The insulation market in Mount Pleasant, SC, is robust and competitive, driven by the city's mix of historic homes and new construction, combined with the region's hot, humid climate. The average quality of service is high, as contractors must be well-versed in managing moisture intrusion and meeting the strict energy codes relevant to the coastal environment. Competition is strong, with several established local players and a few regional franchises. Homeowners are increasingly investing in energy efficiency, leading to high demand for spray foam insulation and comprehensive air sealing packages. Typical pricing reflects this; a basic attic blow-in insulation job can range from $1,500 to $3,500, while a full home spray foam application can range from $8,000 to $20,000+, highly dependent on the home's size and existing conditions. Many providers are knowledgeable about local utility rebates (e.g., from Berkeley Electric Cooperative) and federal tax credits, which can significantly offset the cost of qualifying energy efficiency 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 Mount Pleasant regulations and climate
Get answers to common questions about insulation services in Mount Pleasant, South Carolina.
For our Lowcountry climate, spray foam insulation is often the top recommendation because it creates an airtight seal that effectively blocks humid outdoor air, preventing moisture intrusion and mold growth. However, blown-in cellulose or fiberglass in attics can also be very effective and cost-efficient, especially when paired with proper attic ventilation to combat our intense summer heat. The best choice depends on your home's construction, your budget, and specific areas needing insulation.
Costs vary based on home size, material, and existing conditions, but for a standard 1,500-2,000 sq ft attic in Mount Pleasant, adding blown-in fiberglass or cellulose typically ranges from $1,500 to $3,500. Spray foam is a premium option, often costing $2.00 to $3.50 per board foot. Local factors like high humidity can necessitate vapor barriers or specific materials, which can influence the final price, so getting a detailed, in-home assessment is crucial.
While insulation can be installed year-round, the ideal times are late fall (October-November) and early spring (February-March). These periods typically offer milder temperatures and lower humidity, making the installation process more comfortable and allowing materials like spray foam to cure optimally. Avoiding the peak of our humid summer and the occasional winter chill also helps ensure your HVAC system isn't overburdened during the work.
Yes, homeowners should first check with Berkeley Electric Cooperative or Dominion Energy South Carolina, depending on their utility provider, as they often offer rebates for adding insulation to meet specific R-value targets. Additionally, the federal energy efficiency tax credit (26C) can provide a credit of up to 30% of project costs (up to $1,200 annually) for qualified insulation improvements, making upgrades more affordable.
Prioritize licensed, insured contractors with proven experience in our coastal climate. Ask for local references and examples of homes they've insulated in Mount Pleasant or nearby areas like James Island or Daniel Island. Ensure they perform a thorough energy audit or assessment before quoting and that they understand local building codes, including requirements for moisture control and ventilation critical for our humid environment.