Compare the highest-rated insulation professionals in Dorsey, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated business with a stellar reputation for comprehensive home insulation and air sealing services. They are highly regarded for their expertise in spray foam and blown-in insulation, with a strong focus on improving home energy efficiency. They are often recommended for their professional crews and detailed energy audits.
This company specializes in the critical intersection of insulation and air sealing to maximize home comfort and efficiency. They are known for their scientific approach, using energy audits to diagnose problems before proposing solutions. Their services are ideal for homeowners looking to solve draftiness and high energy bills.
A well-established, local insulation contractor known for reliability and a wide range of insulation services. They handle everything from new construction to retrofit projects in existing homes, including basement, crawl space, and wall insulation. They are praised for clear communication and knowledgeable installers.
** The insulation market serving Dorsey, Illinois, is characterized by a small number of highly specialized, regional contractors rather than a high volume of local competition. The top providers are typically based in larger neighboring cities like Edwardsville and Alton but have a strong service radius that comprehensively covers smaller communities like Dorsey. The average quality of service is high, as these established companies rely on reputation and word-of-mouth in a tight-knit regional market. Competition is moderate but quality-focused. Homeowners have access to providers with advanced certifications (e.g., from the Building Performance Institute) and deep expertise in modern materials like spray foam and cellulose. A key differentiator among the top contractors is their integrated approach, often combining insulation upgrades with professional air sealing and energy audits to deliver a complete home performance solution. Typical pricing is in line with regional averages. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $2,800 * **Spray Foam Insulation (Attic):** $3,500 - $7,500+ * **Wall Insulation (Blown-in):** $1,000 - $2,500 per wall * **Energy Audit:** $300 - $600 Many of these providers are well-versed in local utility rebate programs (e.g., from Ameren Illinois) and federal tax credits, which can significantly offset the cost of energy-efficient upgrades. Homeowners are advised to obtain 2-3 quotes and inquire directly about available rebates during a consultation.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Dorsey regulations and climate
Get answers to common questions about insulation services in Dorsey, Illinois.
For our climate with cold winters and hot, humid summers, blown-in cellulose or fiberglass in attics is often the most cost-effective for retrofits due to its high R-value per dollar and ability to fill irregular spaces. For new construction or major renovations, spray foam provides superior air sealing but at a higher upfront cost. The Illinois Climate Bank and local utilities like Ameren Illinois may offer rebates that can significantly offset the cost of these upgrades.
The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild temperatures in the Metro East area, allowing for proper installation of materials like spray foam that require specific temperature ranges. Scheduling during these shoulder seasons also avoids the peak summer and winter rush, potentially leading to better availability and scheduling flexibility with local contractors.
Yes, insulation work must comply with the 2021 International Energy Conservation Code (IECC) as adopted by the State of Illinois, which sets minimum R-value requirements for different parts of your home. In Dorsey, your project may also need to comply with Madison County building permit requirements, especially for structural alterations. A reputable local installer will handle pulling the necessary permits and ensuring all work meets these codes.
Look for licensed, insured contractors with strong local references in the Metro East region. Verify they have specific experience with the insulation material you're choosing (e.g., spray foam, cellulose). Check for memberships in organizations like the Insulation Contractors Association of America (ICAA) and always get 2-3 detailed, written estimates that include a scope of work, product specifications (R-values), and a clear warranty covering both materials and labor.
While adding attic insulation is a crucial first step, it may not fully solve draftiness. Many older homes in the area also have significant air leaks around windows, doors, and sill plates that need sealing (air sealing) for maximum efficiency. A professional energy audit, often available through Ameren Illinois's ActOnEnergy program, can identify the specific priorities for your home, ensuring your insulation investment delivers the best comfort and energy savings.