The Best Insulation Contractors in De Soto, IL

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

#1

Eco Insulation

4.8
(180 reviews)
Verified

A highly-rated, specialized contractor focusing on modern, high-performance insulation solutions. They are known for their expertise in spray foam and cellulose, and emphasize comprehensive home energy solutions including air sealing and energy audits. Their strong reputation is built on detailed work and customer education.

110 S Cherry St, O'Fallon, IL 62269 (This is their primary office; they serve a wide region)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Koala Insulation of Southern Illinois

4.9
(95 reviews)
Verified

Part of a national brand with a strong local franchise, Koala Insulation offers a wide array of services from insulation removal to new installation. They are praised for their professionalism, clear communication, and use of both traditional (blown-in fiberglass) and advanced materials. Their service model is designed to be a one-stop-shop for residential insulation needs.

209 N Court St, Marion, IL 62959 (Serves the entire Southern Illinois area)

Specialties & Features

Insulation removal and replacement
Blown-in insulation installation
Attic insulation installation and upgrade

Business Information

Years in Business:6 years
Licensed:Yes
Insured:Yes
#3

Midwest Retrofit, Inc.

4.7
(110 reviews)
Verified

A well-established commercial and residential contractor with a deep expertise in improving building envelope performance. They handle larger projects, including basement and crawl space encapsulation, and are adept at navigating utility rebate programs. They are a strong choice for comprehensive home performance upgrades.

321 Potomac Blvd, Mount Vernon, IL 62864 (Services Southern Illinois and the St. Louis Metro-East)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Commercial and residential energy upgrades

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in De Soto

** The insulation market serving De Soto, Illinois, is characterized by regional specialists rather than local, in-town providers. Due to De Soto's size and location within Jackson County, homeowners typically rely on established contractors from service hubs like Marion, Mount Vernon, and the St. Louis Metro-East area. The competition is moderate but features high-quality, professional firms. The average quality of service is quite high, as the surviving and reputable companies in this region tend to be well-certified (e.g., BPI, RESNET), insured, and knowledgeable about both modern energy codes and available rebates from utilities like Ameren Illinois. Typical pricing is competitive with national averages, with blown-in attic insulation for an average home ranging from $1,500-$3,000, while a full spray foam application can be a significant investment of $5,000-$12,000+, reflecting its superior performance. Homeowners in De Soto have access to skilled professionals, but should expect these companies to serve a wider geographic area, which may influence scheduling.

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 De Soto regulations and climate

Frequently Asked Questions About Insulation in De Soto

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

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

For De Soto's humid summers and cold winters, a comprehensive air sealing and attic insulation upgrade is most critical. We recommend achieving at least R-49 in your attic with blown-in cellulose or fiberglass to meet Illinois energy code recommendations, as this is the primary area of heat loss and gain. Proper air sealing prevents moist summer air from entering and condensing, which is a common issue in our region.

2How much does insulation installation typically cost for a home in De Soto?

Costs vary by home size and material, but for a typical 1,500 sq ft attic in De Soto, blown-in insulation can range from $1,500 to $3,500. Factors like existing insulation removal, the need for air sealing, and accessibility impact the final price. It's wise to get multiple quotes from local providers, as Southern Illinois labor and material costs can differ from Chicago-area averages.

3Are there any local rebates or incentives for insulating my home in Jackson County?

Yes, De Soto homeowners should first check for federal tax credits for qualified insulation improvements. Locally, you should contact Ameren Illinois, the area's major utility provider, as they frequently offer rebates for insulation and air sealing through their energy efficiency programs. These incentives can significantly offset your project cost and improve your home's year-round comfort.

4How do I choose a reliable insulation contractor serving the De Soto area?

Always verify the contractor is licensed, insured, and has strong local references. Ask if they perform a pre-installation energy assessment and provide a detailed quote specifying R-values and square footage. Choose a provider experienced with De Soto's older housing stock and familiar with managing moisture, a key concern in our climate. Be wary of door-to-door sales with high-pressure tactics.