The Best Insulation Contractors in Leonore, IL

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

#1

A+ Insulation Inc.

4.8
(180 reviews)
Verified

A+ Insulation is a leading local contractor known for comprehensive energy efficiency solutions. They emphasize professional service, high-quality materials, and thorough home performance assessments. They are an Owens Corning Platinum Preferred Contractor, indicating a top-tier partnership with a major manufacturer.

2830 E 10th Rd, Ottawa, IL 61350 (Approx. 15 miles from Leonore)

Specialties & Features

Spray foam insulation
Attic insulation upgrades
Energy efficiency audits

Business Information

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

All Things Insulation LLC

4.7
(90 reviews)
Verified

A family-owned and operated business praised for its attention to detail and customer service. They specialize in both residential and commercial insulation projects, including complex removal and replacement jobs. Their focus on air sealing alongside insulation makes them a strong choice for whole-home efficiency.

Servicing LaSalle County, based in the Streator/Ottawa area.

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Air sealing services

Business Information

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

Superior Home Services

4.6
(120 reviews)
Verified

While offering a broader range of exterior home services, Superior Home Services has a dedicated and well-regarded insulation division. They are a good option for homeowners looking to bundle services like siding or windows with insulation upgrades. They have strong knowledge of local building codes and available rebates.

301 W Norris Dr, Ottawa, IL 61350 (Approx. 12 miles from Leonore)

Specialties & Features

Wall insulation services
Basement and crawl space insulation
Blown-in attic insulation

Business Information

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

Why These Are the Top Insulation Contractors in Leonore

** The insulation market serving Leonore, IL, is characterized by a small number of highly specialized, regional contractors rather than national chains. The competition is moderate but quality is generally high, as the established local providers rely on reputation and word-of-mouth in a tight-knit community. Homeowners in Leonore benefit from contractors who are familiar with the specific climate challenges of North-Central Illinois, including cold winters and humid summers. Typical pricing is in line with regional averages. For blown-in attic insulation, homeowners can expect prices in the range of **$1,500 - $4,000**, depending on square footage and material (cellulose vs. fiberglass). Spray foam is a premium option, with costs typically ranging from **$3,500 to $7,500+** for an average attic. The leading contractors are well-versed in energy efficiency rebates available through utilities like Ameren Illinois or ComEd, which can help offset project costs. The overall service quality is robust, with an emphasis on solving air leakage and moisture issues common in the region's older housing stock.

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 Leonore regulations and climate

Frequently Asked Questions About Insulation in Leonore

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

1What are the most important insulation upgrades for my Leonore home given our local climate?

For our Northern Illinois climate with cold winters and hot, humid summers, the most impactful upgrades are typically attic insulation and air sealing. We recommend achieving at least R-49 to R-60 in your attic with blown-in cellulose or fiberglass to combat significant winter heat loss. Properly sealing air leaks around windows, doors, and penetrations into the attic is equally critical to prevent drafts and manage summer humidity, which improves comfort and energy efficiency year-round.

2How much does insulation installation typically cost for a home in the Leonore area?

Costs vary based on the project scope, but for a standard attic insulation upgrade to R-49 in a 1,500 sq ft home, Leonore homeowners can expect a range of $1,500 to $3,000. Factors like the type of material (fiberglass vs. cellulose), the need for air sealing, and the accessibility of your attic space will affect the final price. We recommend getting itemized quotes from local contractors that detail material and labor costs for clear comparison.

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

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures, making it safer for installers to work in your attic and easier for your HVAC system to maintain comfort during the installation. While insulation can be installed year-round, scheduling during these shoulder seasons helps avoid the extreme attic heat of summer and the contractor backlog often seen just before winter's peak.

4Are there any local Illinois or Leonore-specific rebates or incentives for adding insulation?

Yes, Illinois homeowners should first check the **Illinois Home Performance with ENERGY STAR** program, which offers rebates for comprehensive energy upgrades, including insulation. Additionally, your local utility provider (like ComEd or Nicor Gas) often has direct rebates for insulation improvements. We advise consulting with a qualified local insulation contractor who is familiar with these programs, as they can help you navigate the application process to maximize your savings.

5How do I choose a reliable insulation contractor serving the Leonore community?

Look for a licensed and insured contractor with strong local references and verifiable experience with homes in our area. A reputable provider will offer a free, detailed on-site assessment and a written quote, not just a phone estimate. They should also be knowledgeable about the specific challenges of older homes common in LaSalle County, such as knob-and-tube wiring (which must be addressed before insulating) and proper ventilation requirements to prevent moisture issues.