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TRUSTED BY SAN FRANCISCO, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon37
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in San Francisco, CA

*The Angi rating for Insulation Service companies in San Francisco, 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 Francisco, 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 September 11, 2025

Find Insulation pros in San Francisco

Avatar for Vortex Insulation, Inc.
Vortex Insulation, Inc.
4.8(
31
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving San Francisco, CA and surrounding areas

Approved

In business since 2017

Free estimates

Offers commercial services

"Working with Vortex was a great experience. The crew was totally professional and very experienced and did an excellent job spraying closed cell insulation in the new addition to our house. When they were done the job site was left totally spotless. Their prices are very reasonable/competitive. We are very pleased with the work they did and how easy it was to work with them. We will certainly use them again in the future."
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
79 neighbors recently requested a quote
Recommended by92%of homeowners
Request Quote
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 Francisco, CA and surrounding areas

Approved

Free estimates

Warranties offered

Customers say: True professional

"Remove old insulation seal to entry point to make sure no rodents activity and install new insulation"
Additional Photos
Response time5 days
Response rate100%
1 neighbors recently requested a quote
Request Quote
Avatar for Attic Pros
Attic Pros
4.9(
233
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving San Francisco, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Small jobs welcome

"Melesio and his team did an excellent job removing old insulation/cleaning, rodent proofing/sealing, and installing new insulation all in one day."
Blow-In Attic Insulation
San Jose, CA Attic Insulation Installation
Danville, CA Vapor Barrier Installation
Mill Valley, CA Crawlspace Cleaning
Benicia, CA Attic Cleaning & Insulation

+3137

Response time12 hrs
Response rate94%
147 neighbors recently requested a quote
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Avatar for Coast Building Products
Coast Building Products
4.5(
14
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving San Francisco, 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
Response rate100%
29 neighbors recently requested a quote
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Avatar for Atticare Construction
Atticare Construction
4.5(
177
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving San Francisco, 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%
13 neighbors recently requested a quote
Request Quote
Avatar for AtticElite Insulation Solutions
AtticElite Insulation Solutions
4.6(
27
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving San Francisco, CA and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"They got the job done in one day, very careful personal. New insulation is working great. We are now waiting for the details on the rebate. Price was also good and affordable"
Get $500 Off Rodent Proofing
Get $500 off crawl space cleanup.
Get $500 off rodent proofing.
Spray Foam Insulation
Before Attic Clean Up

+77

Response time2 days
12 neighbors recently requested a quote
Recommended by73%of homeowners
Request Quote
Avatar for American Attics
American Attics
5.0(
8
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+2 more

Serving San Francisco, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"American Attic was everything they promised. Met with the owner , Sam, within a day to get a quote for removal of old insulation, rodent control and install of new insulation. He was professional and explained everything in detail of what was work was going to be done and how long it would take. We scheduled within a week at a reasonable price. His crew were neat, organized and finished on time! We were notified of some extra things that were found while they were on the job but were not pressured to have those things done. We recommend American Attic to friends or family and would definitely use them again."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+52

Response time2 days
Response rate100%
11 neighbors recently requested a quote
Request Quote
Avatar for USAttic Insulation
USAttic Insulation
5.0(
2
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving San Francisco, CA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"wilson and his team arrived at 9am the early side of the window provided. He quickly started his set up began what would turn out to be a long day for his team. Provide clean out of old existing insulation, sanitized attic and sealed and prepped for attic fan and new insulation. Wilson and his team took pictures of all stages of work. Cleaned left area as if they never had been there."
Blown-In Insulation
Cleaning Air sealing
Blown-In Insulation
Blown-In Insulation
Cleaning

+3

3 neighbors recently requested a quote
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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 UpgradeSpray Foam Insulation - Install+1 more

Serving San Francisco, CA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Best for spray foam insulation"
Response time2 days
58 neighbors recently requested a quote
Recommended by86%of homeowners
Request Quote
Avatar for Insulation Alliance
Insulation Alliance
5.0(
2
)
Spray Foam Insulation - InstallBlown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade+2 more

Serving San Francisco, CA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"When Insulation Alliance came, they were very professional. They laid down plastic everywhere in the hallway and the bedroom. They cleaned out the whole attic. They took out the old insulation and put in the new Insulation which was R 44. They cleaned up everything and everything was clean when they left. They also sanitized the attic. You will not be disappointed that you hired."
Attic Cleaning
Attic, Crawl Space and Basement Decontamination
ATTIC, WALL, CRAWL SPACE INSULATION
THERMAL INSPECTION
REMOVING INSULATION

+86

11 neighbors recently requested a quote
Recommended by50%of homeowners
Request Quote
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Showing 1-10 of 65
Insulation questions, answered by experts

In San Francisco, be cautious of insulation service quotes that are unusually low or provided without a site visit. Watch for contractors who avoid specifying insulation materials, R-values, or don’t detail attic insulation options. Lack of local references, reluctance to discuss permits, or skipping energy audits are warning signs. If a pro pressures you for a fast decision or omits warranty details, consider other options.

Helpful?

In San Francisco, a frequent mistake is choosing insulation that isn’t suited for the local climate, especially in damp or fog-prone neighborhoods. Skipping an energy audit or neglecting proper air sealing can reduce effectiveness. Homeowners sometimes overlook ventilation needs, which can lead to moisture issues. Failing to verify contractor experience with older homes or missing out on available home energy efficiency rebates are also common missteps.

Helpful?

In San Francisco, unexpected costs during insulation service projects can arise if attic access needs to be created or framing repairs are discovered. Mold remediation, pest removal, or ventilation upgrades may become necessary once work begins. If asbestos or lead paint is found, safe removal is required. Homeowners should also anticipate permit fees, disposal costs, and thorough cleanup to restore the home after installation.

Helpful?

In San Francisco, homeowners should consider the city’s varied microclimates, which can impact moisture levels and insulation performance. Homes in foggy areas may need vapor barriers and moisture-resistant insulation to prevent mold. For historic properties, limited attic access or unique framing may require specialized solutions. Seismic safety, soundproofing for shared walls, and strict permit requirements are also important when planning insulation upgrades.

Helpful?

When hiring in San Francisco, prioritize professionals experienced with local building types, especially older or historic homes. Ensure they offer detailed contracts, assist with permit processes, and provide clear warranties. They should understand the city’s unique climate challenges, offer a range of insulation materials, and be skilled in air sealing and ventilation. Transparent communication and a thorough project plan are also essential.

Helpful?

The San Francisco, 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