The Best Insulation Contractors in Oak Park, IL

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

#1

Koala Insulation of West Chicagoland

4.8
(150 reviews)
Verified

A highly-rated, modern insulation contractor known for its focus on energy efficiency and customer education. They specialize in both new installations and upgrading old insulation in residential and commercial properties. They are praised for their detailed assessments and clear communication.

2200 S. Main St, Lombard, IL 60148 (Serves Oak Park extensively)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:6 years
Licensed:Yes
Insured:Yes
#2

A+ Insulation Inc.

4.7
(200 reviews)
Verified

A long-standing, family-owned business with a strong reputation for quality workmanship and reliability in the Chicago metro area. They have extensive experience with the unique architectural styles found in Oak Park, including older homes requiring specialized air sealing and insulation techniques.

910 Repsco Cir, Montgomery, IL 60538 (Serves the entire Chicago area, including Oak Park)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

ServiceMaster by Restoration Oak Park

4.5
(80 reviews)
Verified

While known for restoration and cleaning, this locally-based ServiceMaster franchise offers comprehensive insulation services, including removal and replacement after water or fire damage. Their physical presence in Oak Park is a significant advantage for quick response and deep knowledge of local building codes.

Specialties & Features

Insulation removal and replacement
Energy efficiency audits
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Oak Park

The insulation market in Oak Park is characterized by high demand due to its vast inventory of historic and early-to-mid-20th century homes, which are often notoriously under-insulated and drafty. Homeowners are highly motivated by both rising energy costs and a community-wide interest in sustainability. The competition is strong, with a mix of large, established Chicagoland companies and smaller, specialized local contractors. **Average Quality:** The top-tier providers offer excellent quality, utilizing modern materials like spray foam and dense-pack cellulose, and are well-versed in air sealing techniques crucial for old homes. However, the market also has lower-cost operators whose work may not meet the same standards. **Competition Level:** High. Reputable contractors are in high demand, especially leading into the fall and winter seasons. **Typical Pricing:** Pricing is above the national average, reflecting the higher cost of living and business operations in the Chicago area. Projects are complex due to the age of the housing stock. As a rough guide: * **Attic Insulation (Blown-in):** $1,500 - $3,500+ * **Spray Foam Insulation:** $2.00 - $5.00+ per board foot (highly variable based on type and project complexity). * **Whole-House Air Sealing & Insulation Upgrade:** Can range from $5,000 to $15,000+ for comprehensive projects on a larger historic home. Many providers assist homeowners in navigating available utility rebates from companies like ComEd, which can significantly offset project costs.

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 Oak Park regulations and climate

Frequently Asked Questions About Insulation in Oak Park

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

1What is the most cost-effective type of insulation for my older Oak Park home, and what should I budget?

For Oak Park's historic bungalows and Victorians, blown-in cellulose or fiberglass in attics and walls is often the most cost-effective retrofit, balancing performance with preservation. Budget roughly $1,500 to $3,500 for a standard attic job, but costs vary widely based on material, home size, and accessibility. We recommend a detailed, in-home assessment for an accurate quote, as Illinois' climate demands higher R-values (R-49 for attics) for true energy savings, which impacts material needs and cost.

2When is the best time of year to install insulation in Oak Park?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in the Chicago area, which is crucial for safe attic work and allows for proper ventilation during installation. Scheduling during these shoulder seasons also avoids the extreme heat of summer attics and the busy winter rush when homeowners are urgently addressing drafts and high heating bills.

3Are there any local Oak Park or Illinois regulations or rebates I should know about before insulating?

Yes, Oak Park has a strict Historic Preservation Commission, so if your home is in a historic district, exterior alterations (like adding exterior rigid foam) may require approval. For all homeowners, Illinois offers excellent financial incentives, including ComEd and Nicor Gas rebates for attic and wall insulation, and the federal Inflation Reduction Act tax credit covers 30% of project costs (up to $1,200 annually). Your contractor should help you navigate these programs.

4How do I choose a reliable insulation contractor in Oak Park?

Prioritize local, licensed, and insured contractors with strong references in Oak Park, as they understand our historic home construction and local codes. Verify they perform a thorough energy audit or assessment before quoting. Check for membership in organizations like the Insulation Contractors Association of America (ICAA) and read reviews on platforms like Nextdoor specific to Oak Park to gauge community trust and quality of work.

5My house feels drafty in winter but also stuffy in summer. Can insulation really help with both?

Absolutely. Proper insulation and air sealing work as a year-round thermal barrier. In our Illinois climate, it keeps expensive heated air inside during harsh winters and blocks hot, humid outdoor air from infiltrating during summer. This stabilizes indoor temperatures, reduces strain on your HVAC system, and enhances comfort in all seasons. Addressing the attic and basement rim joists—key areas for air leakage in local homes—is often the most impactful starting point.