The Best Insulation Contractors in Clinton, IL

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

#1

All Weather Insulation Systems, Inc.

4.8
(150 reviews)
Verified

A leading regional insulation contractor serving both residential and commercial clients. They are known for their comprehensive energy efficiency services, including professional energy audits and expert installation of a wide range of insulation types. Their strengths lie in high-quality workmanship and deep knowledge of local building codes and utility rebates.

2903 N. Linden St., Normal, IL 61761

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Energy efficiency audits

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Central Illinois Insulation

4.7
(80 reviews)
Verified

A well-established local contractor focusing on residential insulation projects. They have a strong reputation for attic insulation upgrades and crawl space encapsulation. Customers frequently praise their attention to detail, cleanliness on the job site, and effective air sealing services.

102 S. Center St., Morton, IL 61550

Specialties & Features

Attic insulation installation and upgrade
Basement and crawl space insulation
Air sealing services

Business Information

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

Energy Seal Insulation

4.6
(60 reviews)
Verified

A specialized provider that excels in advanced insulation solutions, particularly spray foam. They are a certified installer for leading foam manufacturers, ensuring high-quality, code-compliant applications. They offer services from new construction to retrofitting existing homes for better energy performance.

1407 N. Dunlap Ave., Savoy, IL 61874

Specialties & Features

Spray foam insulation
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Clinton

The insulation market in Clinton, IL, is typical of a smaller Midwestern city. There are very few, if any, insulation contractors operating *exclusively* within the Clinton city limits. The market is primarily served by reputable, established companies from nearby hubs like Bloomington-Normal, Morton, and Champaign-Urbana. The competition level is moderate, with a focus on quality and service reputation rather than price-cutting. The average quality of service is high, as these regional players rely on word-of-mouth and long-term community presence. Typical pricing is in line with regional averages; for example, blown-in attic insulation can range from $1,500 to $2,500, while spray foam applications are a premium service starting at $2,500 and going significantly higher depending on scope. Homeowners in Clinton have good access to professional services but should expect that contractors may have service areas that cover a broad swath of Central Illinois.

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 Clinton regulations and climate

Frequently Asked Questions About Insulation in Clinton

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

1What is the recommended insulation level (R-Value) for attics in Clinton, IL homes?

For Clinton's climate, which experiences hot, humid summers and cold winters, the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high R-Value is crucial for maintaining energy efficiency year-round, combating both summer heat gain and winter heat loss. Most older homes in the area have insufficient insulation, so upgrading to this level is a common and impactful service.

2When is the best time of year to add or upgrade insulation in my Clinton home?

While insulation can be installed year-round, the ideal times in Central Illinois are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows contractors to thoroughly assess and seal air leaks. Scheduling during these shoulder seasons also helps you prepare your home's efficiency before the peak heating and cooling demands of winter and summer.

3Are there any local rebates or incentives for insulation upgrades in Clinton?

Yes, Clinton residents should first check for rebates through Ameren Illinois, the local electric and gas utility, which often offers incentives for adding insulation. Additionally, the federal Inflation Reduction Act provides tax credits for qualified energy efficiency improvements. It's also wise to ask your local contractor, as they are typically up-to-date on all available state and utility-specific programs for DeWitt County.

4How do I choose a reliable insulation contractor in the Clinton area?

Look for a licensed, insured, and locally established contractor with strong references from Clinton or surrounding DeWitt County communities. They should provide a detailed, written estimate that includes the proposed R-Values, material types (like blown-in cellulose or fiberglass batts), and a clear scope of work. Always verify they perform a pre-installation energy assessment to identify specific needs like attic bypasses or basement rim joist sealing, which are common in Illinois homes.

5My house feels drafty in winter. Should I focus on adding more insulation or on air sealing?

For older Clinton homes, air sealing is often the more critical first step. Insulation slows heat transfer, but air leaks (especially in attics, basements, and around windows/doors) allow conditioned air to escape directly. A professional assessment will target key areas like the attic access, rim joists, and plumbing penetrations. Proper air sealing, followed by adding insulation to the recommended R-Value, creates a comprehensive thermal barrier that maximizes comfort and energy savings.