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Which Insulation Contractor Should You Choose in California?

Review 43 insulation contractors across California, including Los Angeles, San Jose and Oakland, and find out what each company offers. Consider customer feedback and business details, then shortlist providers who handle the type of insulation work you need.
Anaheim (1)
Berkeley (1)
Burlingame (1)
Camarillo (1)
Campbell (1)
Carson (1)
Concord (1)
Corona (1)
Danville (1)
Downey (1)
Elk Grove (1)
Fresno (1)
Fullerton (1)
Galt (1)
Hollister (1)
Inglewood (1)
Irvine (1)
Lakeside (1)
Los Angeles (3)
Murrieta (1)
Oakland (2)
Ontario (1)
Oxnard (1)
Penryn (1)
Petaluma (1)
Pomona (1)
San Diego (2)
San Jose (3)
San Ramon (1)
Santa Barbara (1)
Santa Clara (1)
Santa Clarita (1)
Santa Fe Springs (1)
Turlock (1)
Van Nuys (1)
Visalia (1)
West Covina (1)
10 reviews
Insulation Commandos of Southern California
2 Years
10 reviews
Veterans apply military precision to insulation installations.
Insulation Commandos offers top-quality insulation services in Clarksville, TN, including attic, crawl space, and whole-home solutions to enhance energy efficiency and comfort.
Attic Insulation Crawl Space Insulation Blown-In Insulation
Website (818) 213-2485 Call Profile
1 review
Insulation Commandos of Temecula Valley & North San Diego
2 Years
1 review
Veterans apply military precision to insulation installations.
Insulation Commandos offers top-quality insulation services in Clarksville, TN, including attic, crawl space, and whole-home solutions to enhance energy efficiency and comfort.
Attic Insulation Crawl Space Insulation Blown-In Insulation
Website (951) 326-8838 Call Profile
3 reviews
Attic Insulation Patrol
Open 24/7
3 reviews
Our attic insulation and cleanup services are ideal for homeowners across Berkeley. We’re committed to delivering work of the highest standard at the most cost-effective rates. When you reach out to...
Website (510) 544-8390 Call Profile
4 reviews
911 Attic Insulation
18 Years
4 reviews
Free inspection and same-day fair pricing estimates
911 Attic Insulation offers top-rated attic insulation, rodent proofing, and energy efficiency services in Los Angeles. Licensed, bonded, and insured with 500+ 5-star reviews. Free inspections and zero deposit required.
Attic Cleaning Insulation Removal Rodent Proofing
(888) 202-8282 Call Profile
4 reviews
Attic Pros
17 Years
4 reviews
Licensed, bonded, and insured professionals since 2009
Trusted attic cleaning, rodent removal, and insulation services in the Bay Area. Licensed, bonded, and insured since 2009. Free estimates, 450+ 5-star reviews, and satisfaction guaranteed.
Attic Cleaning Rodent Removal Insulation Removal
(800) 543-0382 Call Profile
4 reviews
Attic Projects
4 reviews
10-year warranty on all services for lasting peace of mind
Discover top-rated attic and crawl space services from Attic Projects. Free inspections, 10-year warranties, and certified technicians ensure lasting solutions for insulation, rodent removal, and mold remediation.
Attic Insulation Rodent Removal Mold Remediation
(858) 246-7421 Call Profile
5 reviews
SDI Insulation
48 Years
5 reviews
47+ years of experience in insulation and energy efficiency.
SDI Insulation offers top-tier residential and commercial insulation services in the San Francisco Bay Area, including spray foam, blown, and batt insulation. With 47+ years of experience, we ensure energy efficiency, sustainability, and compliance with g
Residential Insulation Commercial Insulation Spray Foam Insulation
(650) 685-5500 Call Profile
4 reviews
Ace Insulation
15 Years
4 reviews
We offer over 100 combined years of insulation expertise.
Trusted insulation contractor serving Petaluma, CA and surrounding areas. Expert installation of spray foam, blown-in, and fiberglass insulation for homes and businesses since 2011.
Spray Foam Insulation Blown-In Insulation K-13 Firestop Insulation
(707) 584-8377 Call Profile
6 reviews
J & L Insulation
43 Years
6 reviews
We have over 40 years of experience in residential and commercial insulation.
J & L Insulation offers expert residential and commercial insulation services in San Diego, including fiberglass, cellulose, and acoustic insulation. Serving the area since 1983.
Fiberglass Batt Insulation Cellulose Blown Insulation Mineral Wool Insulation
(619) 561-8632 Call Profile
Not rated yet
Sierra Insulation Contractors
29 Years
Not rated yet
We have over 25 years of experience in commercial insulation.
Trusted commercial insulation contractor in Ontario, CA since 1997. Specializing in fiberglass, rigid foam, and radiant barrier insulation for industrial and commercial buildings.
Fiberglass Insulation Radiant Barrier Insulation Rigid Foam Insulation
(909) 390-9944 Call Profile