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Illinois Valley Insulation
"The only full time full service insulation contractor in North Central Illinois"
About Us
Illinois Valley Insulation, in Princeton, IL, is the leading insulation contractor with an A+ rating with the Better Business Bureau, serving Spring Valley, Ottawa, DeKalb, Rockford, Peru, and surrounding areas since 1988. Whether you're improving or remodeling an existing property or building a new one, you can count on our attentive work. We specialize in many kinds of insulation, including spray foam, blown fiberglass, and cellulose. For more information, contact Illinois Valley Insulation in Princeton.
Areas Served
DeKalb, IL | Streator, IL | Dixon, IL | La Salle, IL | Princeton, IL | Peru, IL | Ottawa, IL | Rochelle | Rockford, IL | Morris, IL | Geneseo, IL | Sterling, IL | Rockfalls | Lake Holiday, IL | Lake Carroll, IL | Oregon, IL | Henry | Hennepin | Chillicothe, IL | Seneca | Sparland, IL | Marsailles, IL
Our Certifications
- A+ Rating With BBB
What We Offer
Our Specialties include:
- Residential and Commercial Services
- Cellulose- Eco Friendly
- Chimney Cleaning
- Attic Insulation
Our Services include:
- Spray Foam Insulation
- Air Sealing
- Blown Insulation
- Sidewall Insulation
- Crawl Space Insulation
- Home Energy Audits
- Duct Cleaning
- New Home Construction
- Vacuum Insulation
- Insulation Removal
- Box Sill Insulation
- Thermal Imaging
- Chimney Cleaning
- Sound Insulation
- Sound Proofing
- Blower Door Testing
- Insulation For New Homes
Testimonials
On 12/18/2023
Paul Butler
had this to say:
Scott and his friendly team worked around our schedule and did a great job explaining what was needed and why. He provided information without trying to upsell me. They came back quickly to fix one thing I thought could be better without making me feel guilty or picky. Very responsive. They don't cut corners.
On 12/17/2023
Frank P.
had this to say:
Scott and Zak isulated our basement sill plates and we have a warmer basement with a lower heating bill! Great job!
On 9/3/2022
Dalen Fillenwarth
had this to say:
Great experience! Team did great in explaining what insulation I had in the attic, what they were blowing in, and how it'd help out in maintaining temps in the long run. Finished job in 1 day. Would highly recommend!
On 6/30/2022
Dalen F.
had this to say:
Great insulation job. Clear explanation of what was to be done. Accurate quote!
On 6/30/2022
Review from
Dalen F
had this to say:
Great insulation Job! Clear explanation of what was to be done & how long it would take. Accurate quote.
Contact Us
Illinois Valley Insulation
Princeton, IL 61356
Phone: (815) 875-1901
Where To Find Us
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Our Hours
Holiday Hours May Vary. Please Call For Details.
Monday: 7:00 AM - 6:00 PM
Tuesday: 7:00 AM - 6:00 PM
Wednesday: 7:00 AM - 6:00 PM
Thursday: 7:00 AM - 6:00 PM
Friday: 7:00 AM - 6:00 PM
Saturday: By Appointment Only
Sunday: By Appointment Only
Info
Air DuctAir Sealing
Blown
Sidewall
Crawl Space
Energy Audit
New Home
Chimney
Spray Foam
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