The Best Insulation Contractors in Waukegan, IL

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

#1

Koala Insulation of Chicagoland

4.8
(200 reviews)
Verified

A leading regional insulation contractor known for its comprehensive home performance services. They emphasize education, energy savings, and using the right type of insulation for each application, from attics to crawl spaces. They are well-regarded for their professionalism and detailed energy audits.

3245 N Arlington Heights Rd, Arlington Heights, IL 60004 (Serves Waukegan and all of Lake County)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#2

Pure Seal Insulation

4.7
(150 reviews)
Verified

Specializes in high-performance spray foam and blown-in insulation systems. They focus on creating air-tight building envelopes to maximize energy efficiency and comfort. Their expertise in air sealing and modern insulation techniques makes them a top choice for both new construction and retrofit projects.

3245 Executive Dr, Unit J, Waukegan, IL 60085

Specialties & Features

Spray foam insulation
Air sealing services
Basement and crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Allstar Insulation & Home Services

4.6
(80 reviews)
Verified

A local, family-owned and operated business with a strong presence in Lake County. They offer a wide array of insulation services and are known for their personalized customer service and knowledge of older homes common in the Waukegan area. They also handle related services like gutter cleaning and drywall repair.

1017 Greenwood Ave, Waukegan, IL 60087

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Waukegan

** The insulation market in Waukegan, IL, is characterized by a mix of large, regional contractors and smaller, local specialists. Due to the city's climate with cold winters and humid summers, the demand for effective insulation and air sealing is high. Many homes in Waukegan are older, built before modern energy codes, creating a significant market for insulation upgrades and replacement. **Average Quality:** The top-tier providers offer excellent quality, utilizing modern materials like spray foam and dense-pack cellulose, and are well-versed in building science principles. There is a noticeable gap between these established companies and smaller, less-specialized general handyman services. **Competition Level:** Competition is moderate. While there are numerous general contractors, the number of companies specializing exclusively in insulation and air sealing with high review volumes is limited, allowing the top providers to maintain strong reputations. **Typical Pricing:** Pricing is competitive with the greater Chicagoland area. For a standard attic blown-in insulation job, homeowners can expect a range of **$1,500 - $4,000**, heavily dependent on square footage and material (fiberglass vs. cellulose). Spray foam is a premium option, typically costing **$3,500 - $7,500+** for an attic. Many providers offer free estimates, and they are generally knowledgeable about available ComEd and North Shore Gas rebates, which can significantly offset the project cost for qualifying upgrades.

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 Waukegan regulations and climate

Frequently Asked Questions About Insulation in Waukegan

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

1What is the most important type of insulation for my Waukegan home given our local climate?

For Waukegan's cold winters and humid summers, attic insulation is the most critical and cost-effective upgrade. Proper air sealing and achieving a high R-value (recommended R-49 to R-60 for attics in Illinois Zone 5) in your attic prevents heat loss in winter and blocks radiant heat in summer, directly impacting comfort and energy bills. This is more impactful than wall insulation for many older homes in the area.

2How much does insulation installation typically cost for a Waukegan homeowner?

Costs vary widely based on home size, material (fiberglass batts, blown-in cellulose, or spray foam), and area insulated, but a typical attic insulation project in Waukegan ranges from $1,500 to $4,500. Local material and labor rates apply, and it's crucial to get itemized quotes from licensed Illinois contractors. Remember, Illinois and ComEd often offer rebates and tax credits for insulation, which can significantly offset the final cost.

3When is the best time of year to install insulation in Waukegan?

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 ventilation of any fumes from materials like spray foam. Scheduling during these shoulder seasons also avoids the extreme heat of a summer attic and the contractor backlog common just before winter.

4What should I look for when choosing an insulation contractor in Lake County, IL?

Always verify the contractor holds an active Illinois Roofing & Insulation license. Choose a provider experienced with Waukegan's older housing stock who performs a thorough energy audit or inspection first. They should be knowledgeable about local building codes and able to clearly explain the Illinois energy rebate process. Get multiple detailed, written quotes that specify the R-value, material brand, and square footage.

5My house is drafty. Will adding more insulation alone solve the problem?

Not necessarily. In many Waukegan homes, especially historic ones, air leakage is a major issue. Insulation slows heat transfer but does not stop air movement. A comprehensive approach that includes **air sealing** (around windows, doors, penetrations, and sill plates) *before* adding insulation is essential. This addresses the drafts directly and prevents moisture-laden air from condensing within your new insulation, which can cause mold and reduce effectiveness.