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Explore Insulation Contractors Serving Illinois

Review the services of 19 insulation companies in Illinois, including Chicago, Fairbury and Mount Prospect. Whether you need a new installation, insulation replacement or an upgrade, look for relevant contractors and inquire about availability and pricing.
Bensenville (1)
Bondville (1)
Bridgeview (1)
Charleston (1)
Chicago (2)
Chicago Ridge (1)
Crystal Lake (1)
Du Quoin (1)
Dupo (1)
Elk Grove Village (1)
Fairbury (2)
Highland Park (1)
Lombard (1)
Mount Prospect (2)
New Lenox (1)
Rockford (1)
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The Attic Experts
31 Years
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25+ years of specialized attic insulation experience
Trusted attic insulation and ventilation services in Illinois. Expert solutions for energy savings, mold removal, and attic decontamination. Free inspections. Call 630.941.3800.
Attic Insulation Ventilation Systems Insulation Removal
(630) 941-3800 Call Profile
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Green Attic
17 Years
Emergency
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We have 15+ years dedicated to attic and insulation solutions in Chicago.
Trust Green Attic for top-rated residential and commercial insulation services in Chicago. Specializing in attic insulation, air sealing, and energy audits with 15+ years of experience, BBB accreditation, and thousands of satisfied customers.
Attic Insulation Spray Foam Cellulose
(847) 929-9492 Call Profile
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Clean Air Doctors
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Our technicians receive ongoing training for expertise in all equipment makes and models.
Expert insulation, HVAC, and air duct cleaning services in Chicago. Family-owned, eco-friendly solutions for residential and commercial clients. BBB-accredited with top-rated customer reviews.
Insulation Services HVAC Services Air Duct Cleaning
(773) 669-6139 Call Profile
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Parkside Insulation
33 Years
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We have over 30 years of experience in mechanical insulation.
Parkside Insulation provides high-quality mechanical insulation services for energy efficiency in Northern Illinois and Northwest Indiana since 1993.
Plumbing Pipe Insulation Plenum Insulation Duct Insulation
(815) 462-0056 Call Profile
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Wilkin Insulation
50+ Years
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70+ years of specialized insulation and fireproofing experience
Trusted insulation and fireproofing solutions since 1953. Wilkin Insulation serves residential and commercial clients across the Midwest with expert thermal protection and energy efficiency upgrades.
Commercial Fireproofing Residential Insulation Spray-Applied Fireproofing
(847) 439-9050 Call Profile
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Olmsted Brothers Insulation
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25+ years of insulation expertise in residential and commercial applications
Trusted insulation contractor serving Central Illinois since 1998. Certified Nu-Wool dealers offering cellulose and foam insulation, duct testing, and energy efficiency solutions. Free estimates available.
Cellulose Insulation Foam Insulation Duct Leakage Testing
(217) 348-7931 Call Profile
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VFJ Green Insulation
23 Years
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We have over 25 years of experience in home insulation and renovations.
VFJ Green Insulation provides expert insulation, drywall repair, and fireproofing services across Chicago and San Antonio. Trusted for 25+ years, we offer energy-efficient solutions, OSHA-approved safety, and free estimates.
Insulation Installation Drywall Repair Fireproofing
(708) 424-9430 Call Profile
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Paragon Insulation & Services
29 Years
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27+ years of trusted experience in insulation services
Paragon Insulation & Services Insulation & Services offers high-quality insulation solutions in Lake County, IL, specializing in spray foam, attic, basement, and commercial insulation for energy efficiency and comfort.
Attic Insulation Basement Insulation Commercial Insulation
(847) 276-5852 Call Profile
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Sealtite Insulation
22 Years
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We offer a lifetime warranty on all residential slabjacking jobs.
Trusted insulation and slabjacking experts in Fairbury, IL. Sealtite offers lifetime-warrantied spray foam solutions and concrete repair services, combining American-made quality with 20+ years of expertise.
Spray Foam Insulation Open Cell Foam Closed Cell Foam
(855) 692-3626 Call Profile
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HONTER
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We offer 35+ years of specialized expertise in polyurethane insulation systems
Discover HONTER's energy-efficient spray foam insulation solutions. Save up to 70% on energy costs with our certified polyurethane foams for roofs, walls, and attics.
Roof insulation Wall insulation Attic insulation
(773) 988-7687 Call Profile