The Best Insulation Contractors in Northbrook, IL

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

#1

Green Attic Insulation

4.9
(280 reviews)
Verified

A highly-rated, eco-focused contractor specializing in comprehensive home performance solutions. They are renowned for their thorough energy audits, advanced air sealing techniques, and high-quality spray foam and blown-in insulation installations. Their strong emphasis on customer education and resolving the root causes of energy loss makes them a top choice.

While based in nearby Arlington Heights, they actively serve Northbrook. (Physical address: 915 E. Rand Rd, Unit 221, Arlington Heights, IL 60004)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Allstar Insulation Services, Inc.

4.8
(150 reviews)
Verified

A family-owned and operated business with a strong reputation for reliability and quality workmanship across a wide range of insulation services. They are particularly skilled in attic insulation upgrades and basement/crawl space encapsulation, often highlighting their knowledge of local utility rebates.

Their primary service area includes Northbrook from their location in Wheeling. (Physical address: 500 S. Milwaukee Ave, Suite 200, Wheeling, IL 60090)

Specialties & Features

Attic insulation installation and upgrade
Basement and crawl space insulation
Blown-in insulation installation

Business Information

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

Air Seal Insulation Inc.

4.7
(90 reviews)
Verified

A specialized contractor with a clear focus on the critical combination of air sealing and insulation. They excel at fixing comfort and moisture issues in hard-to-treat areas like crawl spaces and walls, using both dense-pack cellulose and spray foam. Their name reflects their core expertise in building science principles.

Based in Addison, IL, they serve the entire Chicago metro area, including Northbrook.

Specialties & Features

Air sealing services
Crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Northbrook

** The insulation market in Northbrook, IL, is characterized by high-quality, professional service providers rather than a high volume of low-cost competitors. As an affluent North Shore suburb with a mix of historic and modern homes, the demand is for comprehensive, performance-based solutions that improve comfort, reduce energy bills, and protect the home's structure. * **Average Quality:** The bar for quality is high. Homeowners in Northbrook typically seek out contractors with specific certifications (like BPI) and a deep understanding of building science, not just basic installers. * **Competition Level:** The market is moderately competitive. While there are not dozens of contractors physically located within Northbrook, many top-tier companies from surrounding suburbs (Arlington Heights, Wheeling, etc.) compete vigorously for projects in the area. This competition is based on reputation, expertise, and service quality rather than price alone. * **Typical Pricing:** Pricing is at a premium compared to national averages, reflecting the higher cost of labor and materials in the Chicago area and the sophisticated nature of the services requested. Homeowners can expect to invest significantly in comprehensive projects like full attic insulation with air sealing or spray foam applications. However, the availability of ComEd and Nicor gas rebates can provide substantial offsets, and reputable contractors will guide homeowners through these programs. A typical attic insulation project can range from $2,500 to $6,000+, with spray foam and complex air sealing projects reaching significantly higher figures.

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 Northbrook regulations and climate

Frequently Asked Questions About Insulation in Northbrook

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

1What is the recommended R-value for attic insulation in Northbrook, and why is it specific to our area?

For Northbrook's climate (Zone 5), the U.S. Department of Energy recommends an attic R-value of R-49 to R-60. This high recommendation is due to our cold, harsh winters and humid summers, which demand superior thermal resistance to minimize heat loss and reduce summer heat gain. Properly meeting this target is crucial for energy efficiency, comfort, and preventing ice dams on roofs, a common local issue.

2How much does it typically cost to insulate an attic in a Northbrook home?

Costs vary based on home size, insulation material (like blown-in cellulose or fiberglass), and existing conditions, but Northbrook homeowners can expect a typical attic insulation project to range from $1,500 to $4,000. Regional material and labor rates influence this, and the project often qualifies for local utility rebates from providers like ComEd or Nicor Gas, which can significantly offset the final cost.

3When is the best time of year to add or upgrade insulation in Northbrook?

The ideal times are late spring (May-June) and early fall (September-October). These periods offer mild temperatures, allowing for proper installation and ventilation of materials without extreme attic heat or cold. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of our Illinois winter and summer, and contractors' schedules are more available.

4Are there any local Northbrook or Illinois regulations I need to be aware of for insulation work?

Yes, insulation work in Northbrook must comply with the Illinois Energy Conservation Code and the Village of Northbrook's building codes, which may require a permit for major retrofits. A reputable local contractor will handle this. Furthermore, any work involving disturbance of older materials must follow EPA lead-safe practices and may require asbestos inspection in homes built before the 1980s.

5What should I look for when choosing an insulation contractor in the Northbrook area?

Prioritize contractors who are licensed, insured, and have specific experience with Northbrook's housing stock, which includes many older homes. They should provide a detailed energy audit or assessment, explain local rebate processes, and offer clear warranties. Check for strong local references and membership in organizations like the Insulation Contractors Association of America (ICAA) to ensure professional standards.