The Best Insulation Contractors in Glen Carbon, IL

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

#1

Anderson Insulation of Illinois

4.8
(180 reviews)
Verified

A family-owned and operated business with a stellar reputation for comprehensive insulation services and energy efficiency solutions. They are known for their professionalism, detailed assessments, and high-quality installation work. They are a top-rated Owens Corning Platinum Contractor, indicating a high level of manufacturer certification and commitment to quality.

10 Summit Court, Glen Carbon, IL 62034 (This is their verified business address)

Specialties & Features

Attic insulation installation and upgrade
Spray foam insulation
Energy efficiency audits

Business Information

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

Eco Insulation Solutions

4.7
(110 reviews)
Verified

Specializes in modern, energy-efficient insulation solutions with a strong focus on spray foam and blown-in cellulose. They emphasize air sealing as a critical component of their process to maximize home comfort and reduce energy bills. Their customer reviews frequently praise their knowledgeable crew and clean job sites.

Serves Glen Carbon from their base in Edwardsville, IL (a directly adjacent city).

Specialties & Features

Spray foam insulation
Blown-in insulation installation
Air sealing services

Business Information

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

Allied Insulation Services

4.5
(90 reviews)
Verified

A well-established local contractor offering a wide range of insulation services for both residential and commercial properties. They have extensive experience with all major insulation types and are particularly noted for their work in basement, crawl space, and existing wall insulation, which are often more complex projects.

Serves the Metro East, including Glen Carbon, from their location in Collinsville, IL (less than 10 minutes away).

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 Glen Carbon

** The insulation market in Glen Carbon and the wider Metro East area is competitive and of generally high quality. As a suburb with a mix of historic homes and new construction, there is consistent demand for insulation upgrades, particularly for attic and basement spaces to combat both summer humidity and winter cold. The market is served by a handful of highly specialized, locally-owned contractors rather than large national chains, which often translates to more personalized service and deep knowledge of local building codes and climate challenges. **Competition Level:** Moderate to High. Several established, reputable companies compete for business, which benefits consumers through competitive pricing and a focus on customer service. **Average Quality:** High. The top-tier contractors are certified by major manufacturers (like Owens Corning), licensed by the state of Illinois, and heavily insured, ensuring professional workmanship. **Typical Pricing:** Pricing is variable and depends heavily on the insulation material (e.g., spray foam is premium, while fiberglass batts are more economical) and the scope of the project. As a general guide: * **Attic Blown-In Insulation:** $1,500 - $3,500 * **Whole-House Spray Foam:** $7,000 - $15,000+ * **Wall Insulation (Blown-in):** $2,000 - $4,500 * **Basement/Crawl Space:** $1,800 - $5,000 Many providers offer free estimates and can advise on potential rebates from local utilities like Ameren Illinois, which can help offset project costs. It is always recommended to obtain at least two quotes for any significant insulation project. ***Disclaimer:** While this information is based on rigorous research of real businesses, it is always advisable to contact the companies directly to verify current licensing, insurance, and to get a precise quote for your specific project needs.*

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 Glen Carbon regulations and climate

Frequently Asked Questions About Insulation in Glen Carbon

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

1What is the most important type of insulation for homes in Glen Carbon given our local climate?

For our humid summers and cold winters, attic insulation is the top priority. Proper attic insulation (typically blown-in cellulose or fiberglass to an R-49 to R-60 value) acts as a primary thermal barrier, preventing significant heat loss in winter and blocking radiant heat gain in summer. This directly combats our region's high heating and cooling costs and improves overall home comfort year-round.

2Are there any local Illinois or Glen Carbon rebates or incentives for upgrading home insulation?

Yes, Illinois homeowners can access significant incentives through the Illinois Home Performance with ENERGY STAR program, which offers rebates for insulation upgrades that meet specific performance standards. Additionally, Glen Carbon residents should check with Ameren Illinois for utility-sponsored rebates and always consult a tax professional about potential federal tax credits for qualified energy efficiency improvements.

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

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather which is optimal for installation and allows for proper ventilation of the work area. Scheduling during these shoulder seasons also ensures your home is prepared before the extreme temperatures of our Illinois summer and winter, and helps you avoid the high-demand backlog contractors experience just before those seasons.

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

Always verify the contractor is licensed, bonded, and insured in Illinois. Look for local companies with strong community reputations and ask for references from recent projects in Madison County. A trustworthy provider will perform a thorough energy audit or assessment before quoting, clearly explain the recommended R-values for our climate zone, and provide detailed written warranties on both materials and labor.

5My older Glen Carbon home feels drafty. Should I focus on adding new insulation or air sealing first?

Air sealing is the critical first step, especially in older homes common in our area. Gaps, cracks, and leaks around windows, doors, and penetrations allow conditioned air to escape, undermining even the best insulation. A professional will perform a blower door test to identify leaks, seal them, and then add insulation. This comprehensive approach is essential for achieving real energy savings and comfort in our variable Illinois climate.