The Best Insulation Contractors in Harrisburg, IL

Compare the highest-rated insulation professionals in Harrisburg, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Shawnee Hills Services

4.8
(110 reviews)
Verified

A highly-rated, locally-owned and operated home services company specializing in comprehensive insulation and energy efficiency solutions. They are known for their professional crews, clear communication, and expertise in both new installation and retrofit projects. They serve the entire Southern Illinois region, including Harrisburg.

45 Acton Rd, Carrier Mills, IL 62917 (Approximately 10 miles from Harrisburg)

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Crawl space encapsulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#2

All Weather Insulation of Southern Illinois

4.7
(90 reviews)
Verified

As a branch of a larger regional contractor, All Weather brings extensive resources and specialized training to the area. They focus heavily on improving home energy efficiency through advanced insulation techniques and air sealing. They are a strong choice for homeowners seeking BPI-certified audits and understanding potential utility rebates.

220 Lithia Center, Suite B, Marion, IL 62959 (Serves the Southern IL region)

Specialties & Features

Energy efficiency audits
Blown-in insulation installation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Korte Brothers Construction & Insulation

4.6
(70 reviews)
Verified

A well-established general contractor with a dedicated insulation division. They are a versatile choice for projects that may involve insulation as part of a larger renovation, such as finishing a basement or repairing walls. Their long history in the area provides deep knowledge of local building practices and codes.

102 E Church St, Harrisburg, IL 62946

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Insulation removal and replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Harrisburg

** The insulation market in Harrisburg, IL, and the surrounding Southern Illinois region is characterized by a mix of a few highly specialized contractors and several established general contractors who offer insulation as a core service. Due to the city's age, with a housing stock containing many older homes, there is a significant demand for insulation upgrades, particularly in attics and crawl spaces, to combat both summer humidity and winter cold. **Competition Level:** Moderate. While there aren't dozens of dedicated "insulation-only" companies, the providers that do exist are well-established and have strong local reputations. Quality and customer service are the primary differentiators. **Average Quality:** The top-tier providers offer professional, high-quality work, often with certifications from manufacturers (like Owens Corning) or industry bodies (like BPI). It is always recommended to verify a company's specific certifications for the service you need. **Typical Pricing:** Pricing is competitive with national averages but can be influenced by the project's complexity and travel distance for contractors based in larger hubs like Marion. As a rough guide: * **Attic Blown-In Fiberglass:** $1,500 - $2,800 * **Spray Foam (Closed-Cell) for a Crawl Space:** $2,500 - $5,000 * **Whole-House Air Sealing & Insulation Upgrade:** $3,000 - $8,000+ Homeowners should always obtain 2-3 detailed, itemized quotes for any significant project. Many local providers are familiar with and can advise on potential rebates from utilities like Ameren Illinois.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Harrisburg regulations and climate

Frequently Asked Questions About Insulation in Harrisburg

Get answers to common questions about insulation services in Harrisburg, Illinois.

1What are the most important types of insulation for homes in Harrisburg, IL, given our local climate?

For our Southern Illinois climate with hot, humid summers and cold winters, a balanced approach is key. Attic insulation is the top priority, typically using blown-in cellulose or fiberglass to achieve an R-Value of R-49 to R-60 to prevent significant heat gain and loss. Additionally, properly insulating basement rim joists and crawl spaces is crucial to combat moisture and drafts common in our region, improving overall comfort and energy efficiency year-round.

2How much does insulation installation typically cost for a Harrisburg homeowner?

Costs vary based on home size, material, and area insulated, but local projects often range from $1,500 to $4,500. For example, blown-in attic insulation for a 1,500 sq ft home may cost $1,800-$2,500, while comprehensive air sealing and adding wall insulation can be higher. It's wise to get multiple estimates from Harrisburg-area contractors, as material availability and labor costs here can differ from national averages.

3When is the best time of year to schedule insulation work in Harrisburg?

Fall and spring are ideal seasons for insulation upgrades in Harrisburg. These periods typically offer milder weather, allowing contractors to work effectively and for your HVAC system to be less strained during installation. Scheduling before the peak summer heat or winter cold also ensures your home is prepared for the extreme temperatures, though professional local installers work year-round with proper planning.

4Are there any local Illinois programs or utility rebates to help pay for insulation? **Question:** Are there any local Illinois programs or utility rebates to help pay for insulation?

Yes, Harrisburg residents should explore the **Illinois Home Weatherization Assistance Program (IHWAP)** for income-eligible households and **ComEd's Energy Efficiency Program** for rebates on approved insulation projects. Additionally, the federal Inflation Reduction Act offers tax credits for insulation upgrades. Always check with your insulation contractor, as reputable local providers are usually informed about current incentives and can help guide you through the application process.

5What should I look for when choosing a reliable insulation contractor in the Harrisburg area?

Prioritize local, licensed, and insured contractors with strong references from Harrisburg or Southern Illinois homes. They should perform a detailed energy audit or assessment to identify specific needs like air leaks in older homes common here. Ensure they provide clear, written estimates detailing the R-Value, materials (like moisture-resistant options for our humidity), and a thorough explanation of the work scope, including any necessary air sealing.