The Best Insulation Contractors in Allendale, IL

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

#1

Koala Insulation of Mount Vernon

4.9
(100 reviews)
Verified

A leading local franchise of the national Koala Insulation brand, known for its comprehensive service approach. They specialize in evaluating home performance and providing customized solutions using blown-in cellulose, spray foam, and fiberglass batts. They strongly emphasize energy efficiency and air sealing.

121 S 10th St, Mount Vernon, IL 62864 (Serves the Allendale area)

Specialties & Features

Blown-in insulation installation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#2

Thompson's Insulation

4.7
(80 reviews)
Verified

A long-standing, family-owned insulation contractor with a strong reputation across Southern Illinois. They are praised for their professionalism, expertise with older homes, and high-quality installation work. They offer a wide range of residential and commercial insulation services.

502 S Banker St, Effingham, IL 62401 (Serves the Allendale area)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Insulation removal and replacement

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Tri-State ArmaFoam Spray Foam Insulation

4.8
(100 reviews)
Verified

A specialized contractor focused primarily on spray foam insulation applications for residential, agricultural, and commercial properties. They are the go-to experts for high-performance spray foam in the region, serving the tri-state area of Illinois, Indiana, and Kentucky, which includes Allendale.

10234 N Sr 69, Haubstadt, IN 47639 (Serves the Allendale area)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Air sealing services

Business Information

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

Why These Are the Top Insulation Contractors in Allendale

** The insulation market in and around Allendale, Illinois, is characteristic of a rural area with a mix of older housing stock and newer constructions. The competition level is moderate, with a handful of established regional players dominating the market rather than a high volume of local, single-city contractors. The average quality of service from the top providers is high, as they have built their reputations over decades and rely on word-of-mouth in a closely-knit community. Typical pricing is competitive with national averages but can be influenced by the travel distance from the contractor's base of operations. Homeowners in Allendale can expect to pay: * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (R-Value Dependent):** $1.50 - $3.50 per board foot * **Wall Insulation (Blown-In):** $1,000 - $3,500 A key factor in this market is the contractors' deep knowledge of insulating older homes common in Southern Illinois and an understanding of applicable utility rebates from providers like Ameren Illinois. The top contractors distinguish themselves through professional certifications, a focus on comprehensive air sealing, and their ability to conduct energy audits to diagnose a home's specific needs.

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 Allendale regulations and climate

Frequently Asked Questions About Insulation in Allendale

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

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

For Allendale's humid summers and cold winters, focusing on the attic and basement or crawl space is critical. Proper attic insulation (typically aiming for R-49 to R-60) prevents heat loss in winter and blocks radiant heat in summer. Sealing and insulating basement walls or crawl spaces also combat moisture and cold floors, which are common issues in our Illinois climate, improving year-round comfort and efficiency.

2How much should I budget for insulation installation in the Allendale area?

Costs vary by home size, material (like fiberglass batts, blown-in cellulose, or spray foam), and project scope (e.g., attic vs. whole house). For a standard attic insulation project in Allendale, homeowners can typically expect a range of $1,500 to $4,000. We recommend obtaining 2-3 detailed, written estimates from local, licensed contractors to compare pricing and services, as regional material and labor costs directly influence the final price.

3When is the best time of year to schedule insulation work in Illinois? **Question:** When is the best time of year to schedule insulation work in Illinois?

Fall and spring are ideal seasons for insulation projects in Allendale. These periods typically offer milder temperatures, allowing contractors to work effectively in attics and crawl spaces, which can become dangerously hot in summer or be inaccessible in deep winter. Scheduling in these off-peak seasons can also lead to better contractor availability and potential scheduling flexibility.

4Are there any Illinois-specific rebates or incentives for upgrading my home's insulation?

Yes, Illinois homeowners should explore the "Illinois Home Performance with ENERGY STAR" program, which offers incentives for comprehensive energy upgrades, including insulation. Additionally, Allendale residents served by Ameren Illinois or other major utilities should check their websites for direct rebates. These programs often require work by a certified contractor and a pre- and post-installation energy audit to qualify.

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

Prioritize contractors who are licensed, insured, and have strong local references in the Allendale or Southern Illinois area. They should understand local building codes and the specific challenges of our climate. Ensure they provide a detailed written estimate that includes the R-value of materials to be installed, labor, and a clear explanation of the air sealing work that should accompany any insulation upgrade for maximum effectiveness.