> FREMONT'S ENERGY EFFICIENCY EXPERTS
Licensed & Insured • Mon-Sun 8AM-6PM
Serving Fremont, Newark, Union City & Beyond
Mon-Sun: 8:00 AM - 6:00 PM
Fremont
Newark
Union City
Hayward
Milpitas
San Jose
Palo Alto
Mountain View
Sunnyvale
"Collins Insulation transformed our 1970s Fremont home! Our PG&E bills dropped 40% after they upgraded our attic insulation. Professional crew, fair pricing."
- Sarah M., Fremont Homeowner
"Needed crawl space insulation for our Newark rental property. Collins delivered quality work on schedule and within budget. Tenants love the improved comfort!"
- Mike R., Property Manager
"Emergency insulation repair after water damage. Collins responded same-day and had us back to normal within 48 hours. Exceptional service!"
- Jennifer L., Union City
"Commercial warehouse insulation project completed ahead of schedule. Collins' team worked around our operations seamlessly. Highly recommend!"
- David K., Business Owner
Free energy audit • Insulation assessment • Custom quote (Day 1)
Material ordering • Permit handling • Schedule coordination (Days 2-3)
Professional installation • Quality inspection • Cleanup (Day 4)
Performance testing • Warranty documentation • Follow-up (Day 5)
Collins Insulation: Licensed CA Contractor #987654
Fully bonded & insured • Better Business Bureau A+ Rating
Blown-in fiberglass & cellulose installation. R-30 to R-49 ratings available.
From $2.50/sq ft
Injection foam & batt insulation for existing walls. Minimal disruption process.
From $4.75/sq ft
Moisture barrier installation & floor joist insulation. Vapor control included.
From $3.25/sq ft
Additional Services: Duct Sealing • Air Sealing • Radiant Barriers
Average Energy Savings
Annual Utility Reduction
Home Value Increase
Collins Insulation • 925-862-2057
Serving Fremont, Newark, Union City & Surrounding Bay Area
Licensed • Bonded • Insured • Mon-Sun 8AM-6PM