Insulation contractors in Fremont, CA
Compare insulation contractors serving Fremont and the surrounding area. Review each contractor's services, ratings, and key details, then use the questions below to verify scope and pricing before booking estimates.
Map loading
Map coverage
The map shows contractor locations in and around Fremont. Click a pin to visit the contractor's website or Google Maps listing.
Browse all California contractorsWhat tends to stand out here
Compare insulation contractors in Fremont
Review contractor profiles, services, and ratings before requesting estimates.
Sort and filter contractors
Narrow the list for Fremont by service, rating, or contractor name.
True Arc Insulation
31868 Alvarado Blvd, Union City, CA 94587
True Arc Insulation specializes in insulation installation with clear communication, timely service, and local roots in Union City, CA. They offer free quotes and consultations.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Clear, Honest Communication With us, you’ll always know what to expect. No confusing terms, no surprise charges—just honest, helpful guidance.”
website: Demonstrates trust signals around communication and pricing transparency.
Workmanship
Ask for references
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
Attic Elite
37310 Cedar Blvd Suite H, Newark, CA 94560
Attic Elite specializes in attic insulation, attic restoration, and attic fan installation, with strong customer satisfaction, transparent pricing, and reliable scheduling.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“a full attic restoration and fan installation”
review: Directly confirms attic-focused project types offered.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Elite Energy Efficiency
2578 Cherrywood Dr, Union City, CA 94587
Elite Energy Efficiency (E3 Insulation) provides energy-efficient insulation and home-performance services in the Fremont/Union City area, with BPI-certified technicians and a track record since 2009, offering attic insulation, energy audits, solar, duct and air sealing, and storage solutions.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Each member of our team is licensed and certified by the Building Performance Institute (BPI).”
website: Credentials and trust signal for staff qualifications.
Workmanship
Good
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
Bay Valley Insulation Inc
44875 Industrial Dr # I, Fremont, CA 94538
Not enough public website or review evidence to build a useful profile.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Vortex Insulation
1273 Industrial Pkwy W #530, Hayward, CA 94544
Vortex Insulation’s website presents Regal Insulation Services as a Fremont-based contractor offering attic, spray foam, fiberglass, and blown-in insulation for residential and commercial projects, with a focus on energy efficiency and comfort, supported by positive reviews.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Regal Insulation Services, based in Fremont, CA, is a trusted provider of high-quality insulation solutions for residential, commercial, and industrial projects.”
website: Shows trust and broad scope of work.
Workmanship
Excellent
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Regal Insulation Services
37364 Niles Blvd, Fremont, CA 94536
Regal Insulation Services offers attic insulation replacement and related insulation installation in Fremont, CA, with emphasis on affordability and responsive communication.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Super professional and considerate.”
review: Professionalism supports homeowner trust.
Workmanship
Ask for references
Communication
Good
Scheduling
Good
Cleanup
Ask during quoting
Osprey Insulation Contractors
23925 Clawiter Rd, Hayward, CA 94545
Osprey Insulation Contractors in Hayward, CA offers residential/commercial insulation services (spray foam, attic, fiberglass, blown-in) with a track record of identifying attic issues and completing installations, though some price and communication concerns have been noted.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Insulation Services Osprey Insulation Contractors – Hayward, CA is fully equipped to handle a wide range of professional insulation services for residential and commercial properties.”
website: Shows breadth of services offered to homeowners
Workmanship
Mixed
Communication
Mixed
Scheduling
Mixed
Cleanup
Good
Attic Repair Guys
3051 Quantum Dr #2411, Fremont, CA 94538
Fremont, CA-based attic repair provider with limited public information.
Reviewer highlights
From reviews & website
“Pro grade work. Good choice for the area.”
review: Shows positive homeowner feedback on workmanship and locality.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Lopez insulation
27780 Whitman St, Hayward, CA 94544
Lopez insulation is located at 27780 Whitman St, Hayward, CA 94544 (Fremont, CA area label).
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Questions to ask insulation contractors in Fremont
More insulation contractors in California
Plan before you hire
These pages help you build a shortlist, but they don't replace a proper scope discussion with each contractor. If you're still deciding what work your home needs, start with the insulation planning guide and ROI calculator.