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Find Insulation pros in Fairfield

Avatar for Eagle Shield
Eagle Shield
4.3(
18
)

Serving Fairfield, CA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Very smoothly. On time. Was a good price and people were easy to deal with. They cleaned up after they were done. Would definitely hire them again. Good job all around."
Additional Photos
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+9

Response time7 hrs
1 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Attic Pros
Attic Pros
4.7(
101
)

Serving Fairfield, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Wais and his team did a terrific job removing old, shoddy, blown insulation in our attic, added new batt insulation, rat proofed it, reapplied insulation around the duct work, added a new attic fan, all in record time. Very pleased with how careful they were setting up and removing every bit of waste."
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%
15 neighbors recently requested a quote
Avatar for Attic kings
Attic kings
5.0(
10
)

Serving Fairfield, 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
Hawx Insulation-Sacramento
4.1(
361
)

Serving Fairfield, CA and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

Recommended by75%of homeowners
Avatar for Coast Building Products
Coast Building Products
4.5(
14
)

Serving Fairfield, CA and surrounding areas

Approved (Corporate)

In business since 1950

Free estimates

Credit card accepted

"They get back to me immediately with a quote and were very informative about the recommendations for the insulation that I needed and would best suit my needs. They did the job quickly and efficiently and I really appreciate their courteous prompt service"
Spary foam rooof line
Batt installatoin
Applying Spray Fiam
Response time8 hrs
22 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for All Seasons Insulation
All Seasons Insulation
4.9(
46
)

Serving Fairfield, CA and surrounding areas

In business since 1986

Free estimates

Credit card accepted

"They finished the job professionally and on time. Great job on the blown-in insulation, no mess and they answered our questions and concerns about the attic clean up. We would recommend them, no doubt, to anyone."
Attic before and after
Wall Being Drilled
Finished wall Insulation Injection
Wall insulation from Interior
Attic Insulation Upgrade

+6

Response time10 hrs
Response rate93%
Recommended by100%of homeowners
Avatar for Attic Masters insulation Services
Attic Masters insulation Services
4.8(
111
)

Serving Fairfield, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"i can only say good things about working with Attic masters. Great communication, They came on time, protected our floors and hallway from insulation dust, took pictures of the before and after for us so we can get the rebate. overall, very easy and stress free company to work with. I would definitely use again, it was a pleasure to work with true professionals."
HVAC Duct Replacement
Insulation Installation & Attic Cleaning
Air Sealing & Rodent Proofing
New Construction
Vapor Barrier Install

+204

Recommended by94%of homeowners
Avatar for C E L Insulation
C E L Insulation
4.0(
25
)

Serving Fairfield, CA and surrounding areas

In business since 2011

Free estimates

Offers commercial services

"We are so pleased with the work done by Cesar and his team. The work proceeded quickly and with great attention to detail. Everyone was professional and provided answers to all our questions. Cesar was hands-on. You could tell they enjoyed their work. And the price quote was more than satisfactory for our complex project. We recommend CEL Insulation for any project of this kind."
Response time2 days
Response rate86%
Recommended by80%of homeowners
Avatar for Attic Efficiency
Attic Efficiency
4.7(
18
)

Serving Fairfield, CA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"We were lucky to find this insulation company attic efficiency to do a job in our home and we are extremely satisfied with the result. From the first contact, the company was professional and attentive to our needs. After a detailed evaluation of our home, they provided us with a clear and detailed quote for the installation of insulation. The installation was carried out by a highly skilled team, who worked efficiently and respectfully in our home. From protecting work areas to cleaning up after the installation, everything was handled with care and professionalism. The end result is that our home feels much more comfortable and energy-efficient. We have noticed a significant reduction in our energy costs and an improvement in indoor air quality since the insulation installation. In addition, outside noise has been significantly reduced. In summary, we are very pleased with the work done by this insulation company. From start to finish, the process was easy and professional. I would recommend this company to anyone looking to improve their home's energy efficiency and comfort"
Our work
Our work
Our work
Our work
Our work

+7

Response time1 day
Response rate88%
Recommended by70%of homeowners
Showing 1-10 of 35

FAQs for insulation service projects in Fairfield, 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 Fairfield, 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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