The Best Insulation Contractors in Raleigh, IL

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

#1

Koala Insulation of Southern Illinois

4.9
(80 reviews)
Verified

A highly-rated, modern insulation contractor that emphasizes education and a comprehensive approach to home performance. They specialize in a wide range of services including blown-in attic insulation, spray foam, and insulation removal. They are known for their detailed energy efficiency assessments and air sealing services to maximize the effectiveness of their installations.

Servicing Raleigh from their base in Marion, IL 62959

Specialties & Features

Blown-in attic insulation
Insulation removal and replacement
Air sealing services

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Shawnee Insulation & Services

4.7
(120 reviews)
Verified

A long-standing local contractor with a strong reputation for reliability and quality workmanship across Southern Illinois. They have extensive experience with both residential and commercial projects, handling everything from new construction to retrofit insulation upgrades in existing homes, including basements and crawl spaces.

Servicing Raleigh from the Carbondale/Marion area.

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Four Star Insulation

4.6
(90 reviews)
Verified

A well-regarded family-owned business serving a wide area of Southern Illinois and Central Illinois. They are known for their professional crews and expertise in various insulation types, particularly spray foam and fiberglass batt systems. They often work closely with builders and homeowners to ensure compliance with energy codes and to optimize for energy savings.

Servicing Raleigh from their base in Mount Vernon, IL 62864

Specialties & Features

Spray foam insulation
Attic insulation installation
New construction insulation

Business Information

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

Why These Are the Top Insulation Contractors in Raleigh

The insulation market for Raleigh, IL, and the surrounding Southern Illinois region is characterized by a small number of highly specialized and established contractors rather than a saturated, high-competition market. Due to the rural nature of the area, the most reputable providers are based in larger nearby cities like Marion, Carbondale, and Mount Vernon, and they service a wide radius. The average quality of service from the top-tier contractors is high, with many holding builder certifications and being well-versed in local energy efficiency considerations, such as managing the region's humid summers and cold winters. Homeowners in Raleigh should expect to pay competitive market rates. Typical pricing for a standard attic blown-in cellulose job can range from $1,500 to $3,500, while more complex spray foam applications or full-home insulation upgrades can run from $5,000 to $15,000+, depending on the home's size and scope of work. It is a market where reputation, longevity, and proof of licensing and insurance are critical selection factors. Many of these top providers are also knowledgeable about available state-level energy rebates and can guide homeowners through the process.

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 Raleigh regulations and climate

Frequently Asked Questions About Insulation in Raleigh

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

1What is the recommended R-value for attic insulation in my Raleigh, IL home?

For our climate zone (Zone 5), the U.S. Department of Energy recommends an attic insulation R-value of R49 to R60. This high level is crucial to combat Raleigh's hot, humid summers and cold winters, ensuring your HVAC system doesn't work overtime. Properly meeting this target can significantly reduce your annual heating and cooling bills.

2How much does it typically cost to insulate an older home in Raleigh?

Costs vary based on home size, insulation type, and accessibility, but for a standard attic upgrade to R49 in Raleigh, homeowners can expect a range of $1,500 to $3,500. Regional material and labor rates influence this, and older homes may cost more if they require removal of old insulation or air sealing first. Always get itemized estimates from local contractors that detail material (like cellulose or fiberglass batts) and labor separately.

3When is the best time of year to add or upgrade insulation in Illinois?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild temperatures in Raleigh, making it easier for contractors to work effectively in your attic without extreme heat or cold. Scheduling during these shoulder seasons also ensures your home is optimized before the peak summer heat and winter chill arrive.

4Are there any Illinois-specific rebates or incentives for home insulation? **Question:** Are there any Illinois-specific rebates or incentives for home insulation?

Yes, Illinois homeowners should explore the "Illinois Home Performance with ENERGY STAR" program, which offers incentives for comprehensive energy upgrades, including insulation. Additionally, check with your local utility provider, like Ameren Illinois, for potential rebates on energy audits and insulation projects. These programs can substantially offset your upfront costs while improving home comfort.

5What should I look for when choosing an insulation contractor in the Raleigh area?

Prioritize local, licensed, and insured contractors with proven experience in our climate. Ask for references from Raleigh-area projects and verify they perform a comprehensive energy audit or assessment first. A reputable provider will clearly explain how their solution addresses Illinois's seasonal extremes and should be knowledgeable about local building codes and the specific air sealing needs for older homes common in the region.