The Best Insulation Contractors in Wilsonville, IL

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

#1

Allied Insulation Services, Inc.

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated insulation contractor serving both residential and commercial clients across Southern Illinois, including the Greater St. Louis Metro East area. They are known for their professionalism, expertise in a wide range of insulation types, and commitment to energy efficiency. They are a prime candidate for serving Wilsonville due to their service area covering Macoupin County.

9 Cinder Lane, Edwardsville, IL 62025 (This is their primary office; they serve Wilsonville)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Crawl space encapsulation

Business Information

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

Insulation Solutions of Illinois

4.7
(120 reviews)
Verified

A specialist contractor focused solely on insulation, which allows for deep expertise. They emphasize proper installation techniques and building science to maximize home comfort and energy savings. They frequently service the I-55/I-270 corridor, making Wilsonville a logical part of their service area.

501 Belle Street, Alton, IL 62002 (This is their base of operations; they serve a wide region)

Specialties & Features

Attic insulation upgrades
Air sealing services
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Anderson Insulation Co.

4.6
(90 reviews)
Verified

A well-established local contractor with a long history in the region. They have built a strong reputation for reliability and quality workmanship on both new construction and retrofit projects. Their longevity suggests deep knowledge of local building codes and practices in Southwestern Illinois.

1204 Troy Road, Edwardsville, IL 62025

Specialties & Features

Fiberglass batt insulation
Basement insulation
Energy efficiency audits

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Wilsonville

** The insulation market in and around Wilsonville, IL, is characteristic of a rural-to-suburban transition area. As a small village, Wilsonville itself does not host major insulation contractors, creating a service gap filled by established companies from larger nearby hubs like Edwardsville, Alton, and Springfield. The competition level is moderate, with a handful of highly reputable regional players dominating the market, rather than a saturated field of national chains. The average quality of service from the top providers is high, as their reputations are built on long-term community presence and word-of-mouth referrals. Typical pricing is competitive with national averages but can be influenced by travel distance from the contractor's home base. Homeowners in Wilsonville should expect to pay market rates for quality installation. Common services sought include attic upgrades and crawl space encapsulation to combat local humidity, with a growing interest in spray foam for its air-sealing properties. Many of these top-tier contractors are well-versed in available utility rebates (e.g., from Ameren Illinois) for energy efficiency improvements, adding significant value for the customer.

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 Wilsonville regulations and climate

Frequently Asked Questions About Insulation in Wilsonville

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

1What is the best type of insulation for my home in Wilsonville, given our local climate?

For Wilsonville's humid summers and cold winters, a combination approach is often best. We recommend air-sealing first, then using blown-in cellulose or fiberglass in attics for its strong thermal performance and ability to fill irregular spaces. For walls, spray foam provides an excellent air barrier and high R-value, which is crucial for managing both the humidity and temperature extremes typical of the Illinois climate.

2How much should I budget for a professional attic insulation project in the Wilsonville area?

Costs vary based on material, R-value, and home size, but for a standard 1,500 sq ft attic in our region, homeowners can expect to invest between $1,500 and $3,500 for professional blown-in insulation. It's critical to meet the recommended Illinois code of R-49 for attic floors, which influences material quantity and final cost. Always get itemized quotes from local contractors that separate material and labor.

3When is the optimal time of year to have insulation installed in Wilsonville?

While insulation can be installed year-round, the best times are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures, making it easier for contractors to properly ventilate your attic space during installation. Avoiding the peak of summer heat and winter cold also helps prevent your HVAC system from overworking during the installation process.

4Are there any local rebates or incentives for upgrading insulation in Wilsonville, IL?

Yes, Wilsonville residents should first check for rebates from their local utility provider, as many in Illinois offer incentives for energy efficiency upgrades. Additionally, federal tax credits for qualified insulation improvements are available. A reputable local insulation contractor will be knowledgeable about current programs and can often help you navigate the application process to maximize your savings.

5What should I look for when choosing a local Wilsonville insulation contractor?

Prioritize contractors who are licensed, insured, and have strong local references. Ask specifically about their experience with air-sealing, as this is a critical step for Illinois homes to prevent moisture issues and drafts. Ensure they perform a pre-installation assessment and provide a detailed contract outlining the R-values to be achieved, materials used, and a clear warranty covering both materials and workmanship.