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TRUSTED BY SAN RAFAEL, CA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon39
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in San Rafael, CA

*The Angi rating for Insulation Service companies in San Rafael, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in San Rafael, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on December 01, 2023

Find Insulation pros in San Rafael

Bay Valley Insulation Inc
4.7(
46
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"I didn't write down his name, but the person I spoke with on the phone gave me good advice on what to check for to see if there was anything amiss. He didn't offer to come over (their office is not close to my house) but I felt his approach was very reasonable and it was helpful."
Additional Photos
Recommended by93%of homeowners
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Avatar for Vortex Insulation, Inc.
Vortex Insulation, Inc.
4.8(
31
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2017

Free estimates

Offers commercial services

"professional and fast. We use this company for close cell insulation. Really great customer service also. I highly recommend them."
Blow in cellulose insulation into the garage walls
Spray foam insulation into the garage ceiling.
Old blow-in fiberglass insulation removal in the a
Response time1 day
90 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Attic Pros
Attic Pros
4.7(
101
)
Spray Foam Insulation - InstallBlown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade+2 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Getting my attic cleanup and insulation installed was expertly done by Attic Pros. Couldn't be happier with the result. They are definitely pros!"
Fortify your home’s attic with high-quality insulation and strategic rodent-proofing.
Lock in warmth and lock out pests with expert attic insulation and rodent-proofing.
Transform your attic into a pristine, energy-efficient area with our insulation and sanitation services.
Maximize your attic’s efficiency and hygiene with expert insulation installation and sanitation services.
Create a healthier living space with expert attic insulation installation and deep sanitation.

+3895

Response time9 hrs
Response rate97%
16 neighbors recently requested a quote
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Avatar for Attic kings
Attic kings
5.0(
10
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

Free estimates

Warranties offered

Customers say: True professional

"Moshe and his team at Attic Kings are amazing! When I contacted them, they got back to me almost immediately with a date and time for an estimate to install insulation. Moshe was very communicative, texting and calling to let me know when he would arrive. On installation day, Moshe made sure to keep everything as clean as possible, and everything went incredibly well. They are all so kind--would definitely hire again!"
Additional Photos
Response time2 days
Response rate85%
3 neighbors recently requested a quote
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Avatar for Atticare Construction
Atticare Construction
4.5(
172
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving San Rafael, CA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"Attic is all clean and insulated now! The team was great!"
Before Atticare Services
After Properly Sealing the Access
After Insulation Installation
Clean and ready for Insulation Installation
After Insulation Installation

+26

Response time2 hrs
Response rate91%
4 neighbors recently requested a quote
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Avatar for SDI Insulation, Inc.
SDI Insulation, Inc.
4.1(
55
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 1975

Free estimates

Warranties offered

"Joe Stromberg, project manager, is an excellent asset of the company!!! I was also lucky to have two skillful workers who performed the project. I will definitely recommend SDI Insulation if asked to. Luba"
Spray Foam Insulation
Cooton Batts Insulation
Fireplace Sales and Install
Interior Insulation
Interior Insulation

+22

Response time2 days
30 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Noble Insulation
Noble Insulation
4.6(
21
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"There were some minor communication issues. but it all worked out."
Closed cell spray foam
Response time2 days
9 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Rywen Insulation Inc
Rywen Insulation Inc
4.9(
6
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving San Rafael, CA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

Rywen Insulation Inc is a licensed and family-owned company proudly serving the Bay Area. We specialize in high-quality insulation services, rodent proofing, and vapor barrier services that help protect your home or business from energy loss, moisture damage, and unwanted intrusions.\n\nWith a strong focus on long-term solutions, we’re committed to improving indoor comfort, enhancing air quality, and increasing energy efficiency. Our team delivers professional results with attention to detail and care on every project.\n\nContact us today to schedule a free estimate and experience reliable service you can count on.

restoration of handrail and concrete stairs
restoration of handrail and concrete stairs
restoration of handrail and concrete stairs
restoration of handrail and concrete stairs
restoration of handrail and concrete stairs

+17

Response time2 days
19 neighbors recently requested a quote
Recommended by16%of homeowners
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Avatar for Coast Building Products
Coast Building Products
4.5(
14
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallInjection Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved (Corporate)

In business since 1950

Free estimates

Credit card accepted

"Cruz helped us understand our options and visited twice to finalize the scope of work. Insulation team was punctual and provided expert craftsmanship. Glad I chose Coast."
Spary foam rooof line
Batt installatoin
Applying Spray Fiam
Response time8 hrs
24 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Ace Insulation, Inc.
Ace Insulation, Inc.
3.5(
29
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Ace was the lowest price and used the best insulation material which was fiberglass not cellulose. They showed up when expected and did a good job, we know, my husband was a building inspector before he retired."
Response time2 days
55 neighbors recently requested a quote
Recommended by86%of homeowners
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Insulation questions, answered by experts

Before starting an insulation project in San Rafael, review local permit requirements early, as approvals can take time. Schedule a home energy audit to identify attic insulation and crawl space priorities. Address any signs of coastal moisture, pest entry, or poor ventilation, which are common in the area. Plan work during the dry season to minimize weather-related setbacks and check for available insulation rebates.

Helpful?

In San Rafael, you’ll find several contractor types: full-service energy efficiency experts who handle assessments and upgrades, insulation-only specialists focused on attic and wall insulation, general contractors who include insulation in broader renovations, and HVAC professionals who optimize insulation with system performance. Choose contractors familiar with local codes, insulation rebate programs, and the unique moisture challenges of the coastal climate.

Helpful?

In San Rafael, create a seasonal routine by checking attic insulation for moisture or mold each spring, looking for pest activity and energy loss in summer, reinforcing weatherstripping and wall insulation in fall, and monitoring for drafts or condensation in winter. Every few years, arrange a professional inspection to confirm your home’s R-value and air sealing are effective for the local coastal climate.

Helpful?

In San Rafael, watch for rising energy bills, rooms that stay cold or hot, or HVAC systems running excessively. Visible settling, damp spots, or mold on insulation—especially in older homes or after seismic activity—signal it may need replacement. Insulation installed before modern energy codes, or showing pest or water damage, should be updated to meet current efficiency standards.

Helpful?

Insulation in San Rafael needs annual checks for moisture, pest intrusion, and attic ventilation issues, especially after rainy winters. Inspect crawl spaces and weatherstripping twice yearly, and promptly repair any damaged vapor barriers or wet insulation. Every few years, schedule a professional energy audit and air leakage test to ensure your attic and wall insulation remain effective in the region’s coastal climate.

Helpful?

The San Rafael, CA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles