Compare the highest-rated insulation professionals in Durham, North Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-focused provider known for comprehensive energy efficiency services. They emphasize professional assessments and high-quality installation of various insulation types, including spray foam and blown-in cellulose. Their strengths include detailed energy audits and air sealing to maximize home comfort and efficiency.
A specialist in home performance and energy efficiency, Energyse is known for its scientific approach to insulation and air sealing. They are a Building Performance Institute (BPI) certified company, which is a key indicator of expertise in whole-home energy solutions. They excel at diagnosing and solving complex comfort and moisture issues.
Enviro Air Solutions offers a wide range of insulation and indoor air quality services. They are particularly noted for their work in crawl spaces and basements, addressing both insulation and moisture control. They are a well-established contractor that handles everything from attic insulation to complex wall insulation projects.
** The insulation market in Durham, North Carolina, is robust and competitive, driven by the city's mix of historic homes and new construction, as well as the region's humid subtropical climate with hot summers and cool winters. The demand for energy efficiency is high, and homeowners are increasingly aware of available utility rebates (e.g., from Duke Energy) and federal tax credits. The average quality of providers is good to excellent, with several long-standing, professional companies serving the area. Many of the top-tier contractors are based in the larger Raleigh metro area but consistently service Durham. Competition is strong, which generally benefits consumers through competitive pricing and high service standards. Typical pricing can vary significantly based on the project scope and insulation material. As a general guide: * **Attic Blown-In Insulation:** $1,500 - $4,000 * **Whole-House Spray Foam:** $8,000 - $15,000+ * **Air Sealing & Weatherization:** $500 - $2,500 * **Crawl Space Encapsulation & Insulation:** $3,000 - $8,000 It is highly recommended that homeowners obtain at least two to three detailed quotes, including a comprehensive energy audit, to make an informed decision tailored to their specific home and budget.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Durham regulations and climate
Get answers to common questions about insulation services in Durham, North Carolina.
For Durham's humid subtropical climate with hot summers and cool winters, a combination of air sealing and high-performance insulation is key. We typically recommend spray foam for its superior air sealing properties in attics and crawl spaces, or dense-packed cellulose for existing wall cavities, as both effectively manage moisture and provide excellent thermal resistance (R-value). It's crucial to address the high humidity to prevent mold, making vapor barriers and proper ventilation in attics and crawlspaces a local priority.
Costs in Durham vary widely based on the home's size, the insulation material (fiberglass batts, cellulose, or spray foam), and the area being insulated (attic, walls, crawlspace). For a standard attic upgrade, homeowners can expect a range from $1,500 to $4,500. It's important to get itemized quotes from local contractors that include air sealing, as this is a critical component for efficiency in our climate, and check for available rebates from Duke Energy or federal tax credits.
The ideal times are during Durham's milder spring (March-May) and fall (September-November) seasons. During these periods, temperatures are more comfortable for contractors working in attics, which can be dangerously hot in summer and less accessible in winter. Scheduling during these shoulder seasons also ensures your home is prepared for the peak heating and cooling demands of our humid summer and occasionally cold winter.
For standard retrofit insulation work in existing homes, a permit is generally not required in Durham. However, if the project is part of a larger renovation that involves altering the building envelope (like adding new walls or changing roof structure), a permit may be needed. Always choose a licensed North Carolina general contractor or specialty insulation contractor who is familiar with the NC Residential Code and Durham County's specific amendments, especially regarding fire blocking and ventilation requirements.
Common local signs include uneven room temperatures, drafts, high humidity indoors, and ice dams (less common but possible) on the roof edge during cold snaps. The most definitive check is to have a professional energy audit, often available through Duke Energy or local contractors, which includes a thermographic scan to identify heat loss and moisture issues specific to your home's construction common in Durham's older neighborhoods.