Compare the highest-rated insulation professionals in Decatur, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A locally owned and operated company specializing in energy efficiency solutions. They are highly regarded for comprehensive home insulation services and air sealing, often working in tandem to maximize energy savings. They are known for their professional crews and thorough energy audits.
While nationally known for carpet cleaning, Stanley Steemer has a dedicated insulation division that offers removal and installation services. They leverage their large fleet and national brand reputation to provide reliable, scheduled service. Their strength lies in insulation removal and blown-in solutions.
Although based in Springfield, Koala Insulation is a leading provider that actively serves the Decatur market. They are a specialist insulation contractor (it's their sole focus) with strong certifications and a commitment to educating homeowners on the best solutions for their budget and needs. They offer a wide array of insulation types and related services.
The insulation market in Decatur, IL, is characterized by a mix of local specialized contractors and branches of larger regional or national companies. The city's housing stock includes many older homes, creating a consistent demand for insulation upgrades and replacements to improve energy efficiency. Competition is moderate, with a few key players dominating the high-quality service segment. Homeowners are increasingly aware of utility rebates (often from Ameren Illinois) and tax credits, which has driven demand for energy audits and professional air sealing services. Typical pricing is competitive with national averages, with blown-in cellulose for an attic ranging from $1,500 to $2,500 and spray foam projects costing significantly more, but offering higher R-value and air sealing benefits. The most successful contractors are those who are certified by manufacturers (like Owens Corning) or industry groups (BPI) and who can expertly navigate local building codes and incentive programs.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Decatur regulations and climate
Get answers to common questions about insulation services in Decatur, Illinois.
For our Decatur climate with cold winters and hot, humid summers, blown-in cellulose or fiberglass in attics is often the most cost-effective upgrade. These materials provide excellent thermal resistance (R-value) and air sealing, which directly combat our seasonal temperature extremes. For new construction or major renovations, spray foam provides superior air sealing but at a higher initial cost, though it can offer significant long-term savings on energy bills.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Central Illinois, which is crucial for proper installation of materials like spray foam and for effective attic work. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of our harsh winter and summer, and you'll find greater contractor availability compared to the height of summer.
Yes, Illinois homeowners should first check the **Illinois Home Weatherization Assistance Program (IHWAP)** and the **ComEd and Ameren Illinois Energy Efficiency Programs**, which often offer rebates for insulation that meets specific R-value targets. Additionally, the federal Inflation Reduction Act provides tax credits for qualified energy efficiency improvements. It's best to consult with a local, knowledgeable insulation contractor who stays current with these frequently changing incentive programs.
Always choose a licensed and insured contractor with specific experience in insulation. Look for companies that perform a thorough energy audit or assessment first, as blanket recommendations without inspection are a red flag. Check for local references and reviews, and ensure they are familiar with Macon County building codes and the specific challenges of insulating our region's older home stock, which is common in Decatur neighborhoods.
While increasing attic insulation to the recommended R-49 for our climate zone is crucial, draftiness often points to air leakage. In Decatur's older homes, air sealing gaps around plumbing vents, chimneys, and light fixtures in the attic floor is equally important. A professional assessment should also check insulation and sealing in basement rim joists and around windows and doors, as our strong prairie winds can exploit any small opening, making air sealing a critical companion to adding insulation.