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Illinois Insulators
"It's Easy To See Why Your Heating Bills Are So High"
About Us
Since 2006, Illinois Insulators has proudly served as the go-to insulation expert for Downers Grove, IL, and surrounding communities including Lemont, Joliet, Homer Glen, and Lisle. With nearly two decades of experience, they’ve built a reputation for delivering high-quality, customized solutions in residential, commercial, and industrial insulation. Whether you're looking to improve energy efficiency, reduce noise, or enhance fire safety, their team offers specialized services in insulation, soundproofing, mold remediation, and fireproofing—all backed by expert knowledge and a commitment to customer care. If you're ready to make your space safer, healthier, and more efficient, contact Illinois Insulators today for trusted service and expert guidance.
Areas Served
Lemont, IL | Homer Glen, IL | Downers Grove, IL | Lisle, IL | Wheaton, IL | Hinsdale, IL | Clarendon Hills, IL | Orland Park, IL | La Grange, IL | Countryside, IL | Western Springs, IL | Westmont, IL | Elmhurst, IL | Lockport, IL | All of Chicagoland Area
Our Professional Associations
- Better Business Bureau
- Angie's List
- HomeAdvisor
Our Certifications
- Licensed
- Bonded
- Insured
- Mold Remediation Certified
Languages Spoken
- English
- Spanish
What We Offer
Our Specialties include:
- Illinois Insulators brings expert care and precision to every project, whether it's a cozy home, a bustling commercial space, or a large-scale industrial facility. Their team specializes in tailored insulation solutions that improve energy efficiency, comfort, and safety across all types of buildings. From attic upgrades in residential homes to complex insulation systems in warehouses and manufacturing plants, they handle it all with skill and dedication. In addition to insulation, Illinois Insulators offers comprehensive mold remediation services, helping property owners restore healthy indoor environments by safely removing mold and preventing future growth. With a reputation for reliability and results, they’re a trusted partner for insulation and air quality needs throughout Illinois.
Our Services include:
- Insulation Services: At the heart of Illinois Insulators is a commitment to keeping homes comfortable and efficient. Their insulation services include everything from removing old or damaged insulation to installing fire-resistant materials and sealing rim joists—those critical gaps where air often sneaks in. Whether you're looking to soundproof a room, fireproof a space, or simply improve your home's thermal performance, their team ensures every layer of insulation is expertly handled.
- Energy Efficiency & Home Performance: Illinois Insulators helps homeowners take control of their energy usage with a suite of performance-enhancing services. Through blower door tests and energy audits, they identify where homes are losing energy and offer solutions to seal those leaks. They also install bath fans and attic fans to improve ventilation and reduce moisture buildup, all while enhancing overall comfort and efficiency.
- Indoor Air Quality: A healthy home starts with clean air. Illinois Insulators offers mold remediation to eliminate harmful spores, ozone air purification to neutralize odors and pollutants, and duct cleaning to ensure the air circulating through your home is fresh and safe. These services are designed to support better breathing, reduce allergens, and create a cleaner living environment for you and your family.
Our Brands include:
- Owens Corning
- Johns Manville
Our Products include:
- Blown In Fiber Glass
- Cellulose Insulation
- Spray Foam
- Bibs: (Blown in Blanket System)
- Fiber Glass Batt
- Electric and Solar Attic Fans
- Rockwool Soundproofing Insulation
Testimonials
On 9/15/2025
Jacob Dooley
had this to say:
Benny and John did a fantastic job fixing the insulation in our attic and sealing it from the outside elements. Their team was communicative and timely with the insulation. I felt a massive difference in the temperature on the second story within 2 hours of them completing the job and look forward to lower future energy bills.
On 7/16/2025
Dan Russell
had this to say:
Benny and his team did a great job! Hands on owner. They were very professional and finished the work in a timely manner. I would definitely recommend them to anybody looking to blow in insulation in their attic.
On 7/10/2025
G. Lee Edwards
had this to say:
Illinois Insulators - Benny and his support team did an excellent job at our house. Courteous, responsive, and kind best describe their effort to evaluate and advice on an attic exhaust fan for better AC performance.
On 6/6/2025
Ira Hanan
had this to say:
These guys are by great! Benny, the owner is very customer focused and provides reasonable pricing. They were able to schedule our job just a few days after we called. The quality of the work was very good and they cleaned up well after the finished. Highly recommended!!!
On 5/2/2025
Nancy Gallagher
had this to say:
Benny came out for the quote quickly and the job was done within a week. They did a great job and cleaned everything up very nicely. Reasonably priced. Highly recommend.
Contact Us
Illinois Insulators
555 Rogers Downers Grove, IL 60515
Phone: (815) 846-4271
Mobile: (815) 846-4271
Email: info
Where To Find Us
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Payment Types Accepted
Visa, MasterCard, American Express, Personal Checks, Cash, Financing, Discover
Our Hours
Holiday Hours May Vary. Please Call For Details.
Monday: 6:45 AM - 5:00 PM
Tuesday: 6:45 AM - 5:00 PM
Wednesday: 6:45 AM - 5:00 PM
Thursday: 6:45 AM - 5:00 PM
Friday: 6:45 AM - 5:00 PM
Saturday: 7:00 AM - 1:00 PM
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Sound Control InsulationBatt
Blown-In Insulation
Mold Remediation
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