The Best Insulation Contractors in Grafton, IL

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

#1

Reenergize Insulation & Home Efficiency

4.8
(150 reviews)
Verified

A leading provider of comprehensive home insulation and energy efficiency services in the Metro-East area. They are known for their professional energy audits and advanced solutions like spray foam and blown-in cellulose. Their strength lies in diagnosing whole-home performance issues and providing tailored solutions to improve comfort and lower energy bills.

1822 Washington Ave, Alton, IL 62002 (Serves Grafton)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Koala Insulation of Southwestern Illinois

4.9
(80 reviews)
Verified

Part of a national brand with a strong local presence, Koala Insulation is praised for its customer service and expertise in both residential and commercial insulation. They offer a wide range of services, including free evaluations, and specialize in modern insulation removal and replacement techniques.

5000 N Illinois St, Swansea, IL 62226 (Serves Grafton)

Specialties & Features

Insulation removal and replacement
Blown-in insulation
Basement and crawl space insulation

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#3

Spray Foam Genie

4.7
(60 reviews)
Verified

While based slightly further out, this company is a specialist contractor frequently serving the broader region, including the river communities like Grafton. They focus heavily on high-performance spray foam applications for attics, walls, and crawl spaces, making them a top choice for new construction or major retrofit projects where air sealing is a primary goal.

14820 Clayton Rd, Ballwin, MO 63011 (Serves the St. Louis Metro, including Grafton, IL)

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Grafton

** The insulation market in Grafton, IL, is characteristic of a small, historic river town. There are no dedicated insulation contractors physically located within Grafton's city limits. Therefore, residents and businesses rely on reputable providers from the larger surrounding Metro-East Illinois area (primarily Alton, Edwardsville, and Swansea) and the greater St. Louis metropolitan region. The competition is moderate, with several well-established regional players vying for projects. The quality of service is generally high, as these companies must maintain strong reputations to compete across a wider geographic area. Typical projects often involve upgrading insulation in older homes to improve energy efficiency, with a significant focus on attic and crawl space solutions due to the local climate. Pricing is competitive but can vary significantly based on the material chosen (e.g., fiberglass batts vs. cellulose vs. spray foam) and the scope of work, with spray foam projects commanding a premium due to material and labor costs. Homeowners are advised to seek multiple quotes and confirm that the contractor is familiar with Illinois-specific energy rebate programs.

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 Grafton regulations and climate

Frequently Asked Questions About Insulation in Grafton

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

1What is the most important type of insulation for homes in Grafton, IL, given our local climate?

For Grafton's humid continental climate with cold winters and hot, humid summers, a balanced approach is key. Attic insulation is the top priority to prevent significant heat loss in winter and heat gain in summer. We recommend achieving at least R-49 to R-60 in your attic using blown-in cellulose or fiberglass, which also helps manage the humidity that can come from the nearby Mississippi River.

2Are there any local Illinois or Grafton-specific rebates or incentives for adding insulation?

Yes, Illinois homeowners can benefit from the "Illinois Home Performance with ENERGY STAR" program, which offers rebates for comprehensive energy upgrades, including insulation. Additionally, ComEd and Ameren Illinois utilities provide incentives. It's also wise to check with the City of Grafton or Jersey County for any local energy efficiency initiatives that may offer further savings on your project.

3When is the best time of year to install insulation in the Grafton area?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures, making it easier for contractors to properly ventilate your attic during installation. Avoiding the peak of summer heat and the depths of winter also helps ensure your home is comfortable during the process and allows you to address issues before the most extreme seasons hit.

4How do I choose a reliable insulation contractor serving Grafton?

Always choose a licensed and insured Illinois contractor. Look for providers with strong local references in the Grafton or Jersey County area, as they will understand regional building styles and challenges, like older riverfront homes. Ensure they perform a thorough energy audit or inspection first and provide a detailed, written estimate that includes the R-value, material type, and scope of work, not just a total price.

5My older Grafton home feels drafty. Should I focus on adding more insulation or on air sealing first?

Air sealing is the critical first step, especially in older homes common in Grafton's historic areas. Sealing air leaks around windows, doors, and penetrations in the attic and basement stops conditioned air from escaping and outdoor humidity from entering. Once major leaks are sealed, adding insulation becomes far more effective. We often find that a combination of both provides the best comfort and energy savings for our local climate.