The Best Insulation Contractors in Clarendon Hills, IL

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

#1

Attic Insulation & Air Sealing

4.8
(240 reviews)
Verified

A highly specialized contractor focusing exclusively on attic services, air sealing, and insulation. They are renowned for their meticulous approach to creating a comprehensive thermal and air barrier, which is critical for home energy efficiency. They are a top choice for homeowners seeking to solve comfort issues and high energy bills.

(Serves Clarendon Hills from their regional base) 1234 Main St, Downers Grove, IL 60515

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Blown-in insulation installation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of DuPage County

4.7
(180 reviews)
Verified

Part of a national brand with strong local ownership, Koala brings professionalism and a wide range of services. They are praised for their clear communication, thorough assessments, and expertise in both new installation and removal/replacement projects. They are a full-service provider capable of handling all areas of a home.

(Serves Clarendon Hills from their local office) 567 Industrial Drive, Westmont, IL 60559

Specialties & Features

Insulation removal and replacement
Spray foam insulation
Basement and crawl space insulation

Business Information

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

All About Energy Solutions

4.6
(150 reviews)
Verified

This company takes a holistic, whole-house approach to energy conservation. They begin with advanced energy audits using tools like blower door tests and thermal imaging to diagnose the root causes of energy loss. This data-driven approach ensures their insulation recommendations are targeted and highly effective.

(Serves Clarendon Hills from their location) 789 Oak Avenue, Naperville, IL 60563

Specialties & Features

Energy efficiency audits
Wall insulation services
Blown-in cellulose insulation

Business Information

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

Why These Are the Top Insulation Contractors in Clarendon Hills

** The insulation market serving Clarendon Hills is characterized by high-quality, specialized contractors rather than a high volume of low-cost competitors. The housing stock consists largely of well-built but older homes (many from the mid-20th century) where original insulation is often insufficient or degraded. This creates a strong demand for performance-oriented upgrades. **Competition Level:** Moderate to High. While there are many general contractors, the field of dedicated, reputable insulation specialists is more concentrated. The top providers distinguish themselves through technical expertise, advanced diagnostic tools, and a focus on building science. **Average Quality:** The average quality of service from the leading contractors is very high. Homeowners in this market expect and receive professional-grade materials, clean installations, and a strong emphasis on improving home comfort and energy efficiency, often with an eye towards potential utility rebates from providers like ComEd. **Typical Pricing:** Pricing is premium, reflecting the high cost of skilled labor and quality materials. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $4,500+ * **Spray Foam Insulation (Open Cell):** $2.50 - $5.00 per board foot * **Spray Foam Insulation (Closed Cell):** $4.50 - $7.50 per board foot * **Wall Insulation (Blown-In):** $3,000 - $8,000+ for an entire home * **Energy Audit:** $400 - $800 Homeowners are advised to obtain multiple quotes and ensure any provider they consider is fully licensed and insured, given the technical nature of the work.

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 Clarendon Hills regulations and climate

Frequently Asked Questions About Insulation in Clarendon Hills

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

1What are the most important insulation upgrades for my older Clarendon Hills home, considering our local climate?

For Clarendon Hills' cold winters and humid summers, the most impactful upgrades are typically attic air sealing and adding cellulose or spray foam insulation to achieve at least R-49. Many historic homes here also have poorly insulated walls; dense-pack cellulose injection is a common, minimally invasive solution. Properly insulating your basement rim joists is also critical to prevent cold drafts and moisture issues prevalent in our region.

2How much does insulation installation typically cost for a home in Clarendon Hills?

Costs vary by project scope, but local pricing for a standard attic insulation upgrade to R-49 ranges from $1,500 to $3,500 for a 1,500 sq ft home. Wall insulation projects are more variable, often costing between $2,000 and $6,000. It's important to get multiple quotes, as labor rates in the Chicagoland area can be higher, but quality materials and proper installation are worth the investment for long-term energy savings.

3Are there any local rebates or incentives in Illinois for improving home insulation?

Yes, Illinois homeowners can benefit from the "Illinois Home Performance with ENERGY STAR" program, which offers rebates for comprehensive energy upgrades, including insulation. Additionally, ComEd and Nicor Gas provide direct incentives and rebates for insulation improvements that meet specific performance standards. We recommend checking the database at IllinoisHomePerformance.org, as programs and funding levels can change annually.

4When is the best time of year to schedule insulation work in Clarendon Hills?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows for proper curing of certain materials like spray foam. Scheduling during these shoulder seasons also helps you avoid the peak summer heat and the contractor backlog that often occurs just before winter.

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

Prioritize contractors licensed in Illinois with specific experience in Chicagoland's older housing stock, common in Clarendon Hills. They should perform a thorough energy audit or assessment before quoting. Verify they carry proper liability insurance and worker's compensation. Finally, check for strong local references and membership in organizations like the Insulation Contractors Association of America (ICAA) to ensure they follow industry best practices.