The Best Insulation Contractors in Vergennes, IL

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

#1

Allied Insulation of Southern Illinois

4.8
(140 reviews)
Verified

A locally owned and operated specialist with a strong reputation for comprehensive home performance services. They are known for their detailed energy audits and expert installation of both spray foam and blown-in insulation systems, effectively addressing attic, wall, and crawl space needs.

216 N Park Ave, Carterville, IL 62918 (Approx. 20 miles from Vergennes)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of Southern Illinois

4.7
(95 reviews)
Verified

Part of a national brand with a local franchise, Koala brings a structured process and strong customer service focus. They emphasize insulation removal and replacement, and are proficient in all major insulation types, making them a great option for upgrade projects and new construction.

108 S Division St, Carterville, IL 62918 (Approx. 20 miles from Vergennes)

Specialties & Features

Insulation removal and replacement
Blown-in attic insulation
Basement and crawl space insulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Four Seasons Home Energy Solutions

4.6
(80 reviews)
Verified

While also offering HVAC services, Four Seasons has a dedicated insulation division that focuses on the holistic building envelope. Their strength lies in integrating air sealing with insulation upgrades to maximize home comfort and energy savings, often helping clients navigate available rebates.

2306 W Main St, Carbondale, IL 62901 (Approx. 15 miles from Vergennes)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Wall insulation services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Vergennes

** The insulation market for Vergennes residents is characterized by high-quality regional providers based in nearby population centers like Carbondale, Marion, and Carterville. Due to the rural nature of Vergennes, contractors are accustomed to serving a wide geographic area. The competition is healthy among a handful of established, reputable companies, which helps maintain high service standards. Typical pricing is moderate and in line with the Midwestern average. For a standard blown-in attic insulation project, homeowners can expect a range of **$1,500 - $3,500**, while more complex spray foam applications or full-home retrofits can range from **$5,000 to $15,000+**. Most leading providers are well-versed in local building codes and can advise on rebate programs from utilities like Ameren Illinois, which can significantly offset project costs. The overall market is mature, with a focus on whole-home performance rather than just material installation.

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 Vergennes regulations and climate

Frequently Asked Questions About Insulation in Vergennes

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

1What is the most cost-effective type of insulation for my older home in Vergennes, given our cold winters and humid summers?

For most older homes in Vergennes, blown-in cellulose or fiberglass insulation in the attic is highly cost-effective. It provides excellent thermal resistance (R-value) for our Illinois climate and can be installed over existing insulation without major renovations. Air sealing should be done first to address drafts common in older structures, maximizing the new insulation's performance and energy savings year-round.

2When is the best time of year to have insulation installed in Vergennes, IL?

Fall is typically the ideal time for insulation projects in Vergennes. The weather is mild, allowing contractors to work efficiently, and it prepares your home for the harsh Southern Illinois winter. While insulation can be installed year-round, scheduling in late summer or early fall ensures you lock in heat savings before temperatures drop and avoids the busy winter rush for local providers.

3Are there any local rebates or incentives for upgrading insulation in Vergennes?

Yes, Vergennes homeowners should first check with Ameren Illinois for utility-sponsored rebates for adding attic or wall insulation. Additionally, the federal tax credits for energy efficiency (like the 25C credit) apply, covering a percentage of qualified insulation material costs. It's wise to ask your local insulation contractor, as they are often up-to-date on the latest available incentives for Illinois residents.

4How do I choose a reliable insulation contractor serving the Vergennes area?

Look for licensed, insured contractors with strong local references and experience with homes in our specific climate. Verify they perform a thorough energy audit or inspection to identify your home's unique needs, such as moisture control for our humid summers. Checking for membership with Illinois-based associations like the Insulation Contractors Association of America (ICAA) can also indicate professionalism and adherence to industry standards.

5I'm concerned about moisture and mold with new insulation in my walls. Is this a risk in Vergennes' climate?

Proper moisture management is crucial in our humid Southern Illinois climate. A reputable contractor will assess your home's vapor barrier needs. For example, in basements or crawl spaces, they may recommend closed-cell spray foam or rigid foam boards that resist moisture, rather than materials like fiberglass batts that can trap dampness. Correct installation and ventilation are key to preventing mold and ensuring long-term effectiveness.