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Find Insulation pros in El Granada

Avatar for Vortex Insulation, Inc.
Vortex Insulation, Inc.
4.8(
31
)

Serving El Granada, 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
90 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Eagle Shield
Eagle Shield
4.3(
18
)

Serving El Granada, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"I love this company! Garrett came to my home and assessed how efficient our current insulation, etc was. He was very informative and friendly — explained what we needed and how they could help. At the time, I decided to hold off and he never pushed the sale. When I was ready, he was quick to accommodate my schedule. His team: Angel, Luis, Tommy and TJ were great! They arrived early, were professional, courteous, kind, very helpful with my questions and were above and beyond to help fix things that I wasn’t even aware of. They also were more than happy to help with small problems that I had no idea how to fix. They worked quickly and cleaned up afterwards. You could tell they cared about their work which makes me feel confident that the job was done right. They were also fun to have around — my Great Dane loved them too! Garrett and Dave checked in with me during and afterwards to make sure things were going well and if I had any questions. I highly recommend Eagle Shield."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Response time7 hrs
1 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Attic Pros
Attic Pros
4.9(
233
)

Serving El Granada, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Credit card accepted

"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 time11 hrs
Response rate94%
137 neighbors recently requested a quote
Avatar for Insulation Alliance
Insulation Alliance
5.0(
2
)

Serving El Granada, 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

10 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Air Sharks
Air Sharks
5.0(
12
)

Serving El Granada, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"I was extremely impressed with the service provided by Air Sharks, who replaced my aging furnace and damaged heat ducts. Elizabeth provided a detailed explanation in a friendly, professional and understandable way. Pricing seemed reasonable, and was 25% below a previous estimate. Daniel and his crew did a fantastic job removing and replacing the new furnace and the duct system in a very tight crawl space. They left the furnace looking absolutely beautiful and clean. I highly recommend them"
Daikin Heat Pump Install
Daikin Heat pump Install and Duct Work
Before picture.
BEFORE
Daikin Heat Pump Install

+22

Response time1 day
Response rate99%
36 neighbors recently requested a quote
Avatar for Universal Builder Co. (Insulation) San Jose
Universal Builder Co. (Insulation) San Jose
New to Angi

Serving El Granada, CA and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. With over 20 years of experience in the roofing and general construction, our roofing team can quickly identify roofing issues to repair. As with all of our services, we guarantee our work and promise to repair the issue the right way the first time, every time. We look forward to earning your business!

Avatar for Attic Masters insulation Services
Attic Masters insulation Services
4.8(
111
)

Serving El Granada, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"I hired Attic Masters to do an energy efficiency job at my house. The job included work in the attic, crawlspaces and major insulation at the garage. I’m happy with the overall service that I got from Adam and his company Attic Masters. The first consultation meeting was very productive and honest than the other companies that I met. I felt very secure with Adam's knowledge and the quality of his initial assessment. The overall work got increased as i decided that I wanted to do more work than originally planned. All the people that worked at my house (total of 3) were cooperative and the project rolled out easily. Adam did a wonderful amount of research about some things that were not usual. I wanted new insulation, new walls and more efficiency. After all the research that Adam did and the consultation he provided me with, we moved forward with the agreed upon plan and it was executed well. Adam and his team were willing to come over as needed for small finishing touches, questions, and more... He definitely went above and beyond on multiple occasions."
HVAC Duct Replacement
Insulation Installation & Attic Cleaning
Air Sealing & Rodent Proofing
New Construction
Vapor Barrier Install

+204

Recommended by94%of homeowners
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FAQs for insulation service projects in El Granada, CA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The El Granada, CA homeowners’ guide to insulation services

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

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