Compare the highest-rated insulation professionals in Belleville, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-owned and operated company specializing in comprehensive home insulation and energy efficiency solutions. They are known for their detailed energy audits and expert installation of both spray foam and blown-in insulation. Their strong focus on customer service and resolving specific home comfort issues makes them a top choice.
While based in a nearby city, this provider has a significant service footprint in the Belleville area and is frequently hired for projects there. They emphasize eco-friendly and high-performance insulation materials. They are particularly skilled in complex projects involving insulation removal and air sealing for older homes.
Primarily an HVAC company, they have a dedicated insulation division that understands the critical link between a well-insulated home and an efficient HVAC system. This integrated approach is a key strength, as they can diagnose and solve comfort problems holistically. They are a reliable option for attic and basement insulation.
The insulation market in Belleville, IL, is characterized by a mix of specialized insulation contractors and broader home performance or HVAC companies that offer insulation services. Due to the city's many historic homes, there is strong demand for insulation upgrades, removal of old inefficient materials (like vermiculite), and air sealing. Competition is moderate, with a handful of established, reputable providers dominating the high-quality end of the market. Typical pricing is in line with regional averages. As a rough guide: * **Blown-In Cellulose/Fiberglass Attic Insulation:** $1,500 - $2,800 * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot * **Wall Insulation (blown-in):** $1,000 - $3,500 per home * **Insulation Removal:** $1.50 - $2.50 per square foot Many homeowners in Belleville take advantage of energy efficiency rebates from utilities like Ameren Illinois, and the top contractors are proficient in navigating these programs and local building codes.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Belleville regulations and climate
Get answers to common questions about insulation services in Belleville, Illinois.
For Belleville's humid summers and cold winters, blown-in cellulose or fiberglass is highly recommended for attics due to its ability to fill irregular spaces and provide a high R-value. The U.S. Department of Energy recommends attic insulation levels of R-49 to R-60 for our Illinois climate zone (Zone 5). A proper air seal before insulating is critical to prevent moisture from our humid summers from condensing in the attic, which can lead to mold and reduced effectiveness.
Costs vary based on home size, material, and existing conditions, but Belleville homeowners can expect to pay between $1,500 to $3,500 for a standard attic insulation project. Regional material costs and the prevalence of older homes needing extensive air sealing can influence the final price. Always get itemized estimates from local contractors that separate material, labor, and air sealing costs, and check for available rebates from Ameren Illinois.
The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is safer for contractors working in your attic and allows for proper ventilation during installation. Avoid the peak of summer, as attic temperatures can be dangerously high, and deep winter, when ice dams can be a concern and ventilation is tricky.
While basic retrofit insulation typically doesn't require a city permit, any work that involves altering framing, electrical, or HVAC systems might. Reputable Belleville contractors will know and handle this. More importantly, they must follow the 2018 International Energy Conservation Code (IECC), which Illinois has adopted, ensuring proper R-values and installation practices for our climate.
Look for licensed, insured contractors with specific experience in insulation and air sealing. Ask for local references in neighborhoods like Signal Hill or Dutch Hollow. Verify they perform a pre-installation energy assessment (like a blower door test) to identify air leaks. Always choose a provider who offers a detailed, written warranty on both materials and workmanship, as proper installation is key to long-term performance.